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SpaceX Vehicles and Missions => SpaceX Missions Section => Topic started by: gongora on 08/19/2020 11:43 pm

Title: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: gongora on 08/19/2020 11:43 pm
Discussion thread for Starlink v1.0 Flight 12.

Check the Starlink Index Thread (https://forum.nasaspaceflight.com/index.php?topic=51762.0) for links to more Starlink information.

NSF Threads for Starlink v1.0 Flight 12: Discussion (https://forum.nasaspaceflight.com/index.php?topic=51758.0) / Updates (https://forum.nasaspaceflight.com/index.php?topic=51758.0)

October 6, 2020 at 7:29am EDT (11:29 UTC) on Falcon 9 (booster 1058.3) from LC-39A.  ASDS landing is expected.  Expected deployment orbit of approximately 200x380km.
Scrubbed on Sept. 17 for issues with recovery operations.
Scrubbed on Sept. 28 for weather.
Scrubbed on Oct. 1 for out of family reading on ground equipment sensor.
Scrubbed October 5 for weather.

Payload: A batch of 60? Starlink satellites.

Please use the Starlink Discussion Thread (https://forum.nasaspaceflight.com/index.php?topic=48297.0) for all general discussion on Starlink.

L2 SpaceX:
https://forum.nasaspaceflight.com/index.php?board=60.0 (https://forum.nasaspaceflight.com/index.php?board=60.0)

From a previous mission's Press Kit:
Quote
Each Starlink satellite weights approximately 260 kg and features a compact, flat-panel design that minimizes volume, allowing for a dense launch stack to take full advantage of Falcon 9’s launch capabilities. With four powerful phased array and two parabolic antennas on each satellite ... At end of their life cycle, the satellites will utilize their on-board propulsion system to deorbit over the course of a few months. In the unlikely event their propulsion system becomes inoperable, the satellites will burn up in Earth’s atmosphere within 1-5 years, significantly less than the hundreds or thousands of years required at higher altitudes. Further, Starlink components are designed for full demisability.

Starlink is targeting service in the Northern U.S. and Canada in 2020, rapidly expanding to near global coverage of the populated world by 2021. Additional information on the system can be found at starlink.com.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: zubenelgenubi on 08/21/2020 07:38 pm
The launch complex for this flight has not yet been announced--could be either at Kennedy LC-39A or Canaveral SLC-40.

How the Eastern Range in September looks now.  I include MARS (Wallops) launches because, I believe, they share some range tracking assets with KSC/CC.  Seeking clarification or correction.:
Scheduled:
Date - Satellite(s) - Rocket - Launch Site - Time (UTC)

2020
NET August September - Starlink flight 13 (x60) [v1.0 L12] - Falcon 9 (S) - Canaveral SLC-40 / Kennedy LC-39A
NET September October - Starlink flight 14 (x60) [v1.0 L13] - Falcon 9 (S) - Canaveral SLC-40 / Kennedy LC-39A
NET September ? October - Starlink flight 15 (x60) [v1.0 L14] - Falcon 9 (S) - Canaveral SLC-40 / Kennedy LC-39A
September - NROL-101 - Atlas V 531 (AV-090) - Canaveral SLC-41
NET September - STP-27RM: Monolith - Electron/Kick Stage - MARS LA-0A (LC-2)
September 29 30 October 2 - Cygnus NG-14 (CRS-14) - Antares-230+ - MARS LP-0A - 02:26
NET September 30 October 1 - GPS III SV04 - Falcon 9 (B1062.1 S) - Canaveral SLC-40 - 00:00-04:00  (or Late)

Changes on August 10th
Changes on August 11th
Changes on August 17th
Changes on August 20th
zubenelgenubi August 21
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: LandingZone-1 on 08/22/2020 01:37 am
The most likely core assignment for this mission is B1058.3.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Zed_Noir on 08/29/2020 08:46 am
What are the chances that Starlink V1.0 L12 will launched before NROL-44 launched from pad LC-37B? Think this launch will use pad LC-39A since the SAOCOM-1A booster is using the TE at pad LC-40 now.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: the_other_Doug on 08/29/2020 03:23 pm
What I've seen is that the Starlink launch is unaffected by the NROL-44 situation, both because 39A is much farther away from the Delta IV pad, and because Starlink launches to the northeast, while SAOCOM will launch to the south-southeast, which directly overflies the Delta pad when launching from SLC-40.

I've asked in the SAOCOM thread whether it could be allowed to launch from 39A, either before or after this Starlink launches, but got no reply yet... of course, I just asked like a minute ago.  ;)
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Herb Schaltegger on 08/29/2020 03:29 pm
I've asked in the SAOCOM thread whether it could be allowed to launch from 39A, either before or after this Starlink launches, but got no reply yet... of course, I just asked like a minute ago.  ;)

Asking in this thread is really off-topic, since the threads are for specific missions, not launch pads.

That said, there’s zero realistic chance SAOCOM would be shifted to 39A. The payload and booster have been integrated with one another and the TEL. Removing the payload, trucking it across CCAFS over to KSC and 39A, integrating it onto another booster (even assuming one is handy and available) then testing and verifying it, plus the complications of modifying and verifying the launch trajectory and getting FAA and Range approvals for it all, etc. is *not* going to happen in the week or so it will take for ULA to make another DIVH attempt.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: zubenelgenubi on 09/02/2020 06:03 pm
Cross-post:
Scheduled:
Date - Satellite(s) - Rocket - Launch Site - Time (UTC)

2020
August 30 NET September 1 3 - Starlink flight 12 (x60) [v1.0 L11] - Falcon 9-093 (B1060.2 S) - Kennedy LC-39A - 12:46
August 28 29 NET September 5 - NROL-44: Orion 10 (Mentor 8 ) (TBD) - Delta IV-H [D-385] - Canaveral SLC-37B ~06:00-10:25
September - Starlink flight 13 (x60) [v1.0 L12] - Falcon 9-094 (S) - Canaveral SLC-40
NET September - Starlink flight 14 (x60) [v1.0 L13] - Falcon 9 (S) - Canaveral SLC-40 / Kennedy LC-39A
September 30 - Cygnus NG-14 (CRS-14) - Antares-230+ - MARS LP-0A - 02:26
NET September - STP-27RM: Monolith - Electron/Kick Stage - MARS LA-0A (LC-2)
October 1 - GPS III SV04 - Falcon 9 (B1062.1 S) - Canaveral SLC-40 - 00:00-04:00

Changes on August 28th
Changes on August 29th
Changes on August 30th
Changes on August 31st

SAOCOM-1B launched successfully on August 30.
When will visible signs of this launch campaign at SLC-40 appear?
Will there be a Static Fire?  If not, then the first time the LV appears on the pad will be shortly before launch.

MARS/Wallops launches included because, I believe, it shares some Eastern Range assets with Canaveral/KSC.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: zubenelgenubi on 09/04/2020 09:28 am
This is now the next Falcon 9 launch.

http://www.launchphotography.com/Delta_4_Atlas_5_Falcon_9_Launch_Viewing.html , after September 3 Falcon 9/Starlink launch:
Quote
FALCON 9
The next SpaceX Falcon 9 rocket from Cape Canaveral will launch the thirteenth batch of Starlink satellites from pad 40 on mid-September TBA.
A Falcon 9 from pad 39A will launch the fourteenth Starlink batch on September TBA.

Scheduled:
Date - Satellite(s) - Rocket - Launch Site - Time (UTC)

2020
NET September 5 - NROL-44: Orion 10 (Mentor 8 ) (TBD) - Delta IV-H [D-385] - Canaveral SLC-37B ~06:00-10:25
Mid-September - Starlink flight 13 (x60) [v1.0 L12] - Falcon 9-094 (1058.3 S) - Canaveral SLC-40
September - Starlink flight 14 (x60) [v1.0 L13] - Falcon 9-095 (1051.6 S) - Kennedy LC-39A
September 30 - Cygnus NG-14 (CRS-14) - Antares-230+ - MARS LP-0A - 02:26
NET September - STP-27RM: Monolith - Electron/Kick Stage - MARS LA-0A (LC-2)
October 1 - GPS III SV04 - Falcon 9 (B1062.1 S) - Canaveral SLC-40 - 00:00-04:00

Changes on September 1st
Changes on September 3rd
zubenelgenubi September 4
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Elthiryel on 09/05/2020 08:21 am
According to Next Spaceflight, booster 1058.3 is going to be used for this flight.

https://nextspaceflight.com/launches/details/2577

Previous missions:
Crew Demo-2 (May 2020)
ANASIS-II (July 2020)

Currently this booster holds the record of the shortest time between two flights (51d 02h 08m). According to Ben Cooper, Starlink-13 is now slated for mid-September, so this time it should be around 57 days.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Raul on 09/08/2020 05:55 pm
Active NOTAM in MELBOURNE information region south of Australia for Stage2 debris reentry of Starlink V1.0-L12 launch NET September 17.
Quote
MELBOURNE (FIR/FIC/ACC/COM/MET)
NOTAM #: F2617/20   Class: International   Start Date UTC: 09/17/2020 2013      End Date UTC: 09/18/2020 2052Status: Active
F2617/20 NOTAMN
Q) YMMM/QWMLW/IV/BO/W/000/999/4946S11913E999
A) YMMM
B) 2009172013 C) 2009182052
D) 17 2013-2114, 18 1951-2052
E) ROCKET LAUNCH WILL TAKE PLACE
FLW RECEIVED FROM GOVERNMENT OF UNITED STATES OF AMERICA:
HAZARDOUS OPS WILL BE CONDUCTED FOR ATMOSPHERIC RE-ENTRY AND
SPLASHDOWN OF LAUNCH VEHICLE OP  X0239 STARLINK V1.0-L12 STAGE 2
REENTRY WI THE FOLLOWING AREAS:
FROM 29°43S 060°07E
24°55S 064°27E
38°45S 084°30E
45°12S 099°45E
49°46S 119°13E
50°42S 138°19E
48°50S 156°44E
51°46S 158°08E
54°42S 148°32E
56°20S 131°03E
55°52S 107°50E
49°11S 085°05E
34°32S 064°13E TO BEGINNING
F) SFC G) UNL

Launch Hazard Area visualization (https://www.google.com/maps/d/viewer?hl=en&mid=132PVWIAvWljfEbbZIrkS5a2qqfVhsZM_&ll=-39.476486613779805%2C113.97760507611915&z=4)
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Elthiryel on 09/09/2020 07:44 am
According to Ben Cooper, this mission is now planned to launch from LC-39A instead of SLC-40.

http://www.launchphotography.com/Delta_4_Atlas_5_Falcon_9_Launch_Viewing.html
Quote
The next SpaceX Falcon 9 rocket from Cape Canaveral will launch the thirteenth batch of Starlink satellites from pad 39A on September 17 at TBA EDT.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: gongora on 09/09/2020 01:24 pm
I wonder if GPS wanted a little more time at the pad, that was turning into a quick turnaround before their launch on the 30th.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Elthiryel on 09/09/2020 01:49 pm
From the recently published NOTMARs:

https://www.navcen.uscg.gov/pdf/lnms/lnm07362020.pdf
Quote
Eastern Range OP# X0239 Starlink v1.0-L12 will be conducting hazardous operations surface to unlimited within portions of Warning Areas
W497A, W497B, W137F/G, W138E, W139E/F, W141, W122 and the following Hazard Areas:

A: From 2839 11.11N 8037 48.90W
TO 2852N 8025W
TO 2902N 8012W
TO 2900N 8010W
TO 2850N 8018W
TO 2838N 8029W
TO 2834 53.25N 8034 26.88W
TO 2838 27.78N 8037 18.38W to beginning

B: From 3139N 7720W
TO 3315N 7557W
TO 3340N 7459W
TO 3321N 7425W
TO 3245N 7432W
TO 3125N 7706W to beginning

Hazard periods for primary launch day and backup launch days;
Primary launch day: 17/1802Z thru 17/1920Z Sep 20 (2:02pm thru 3:20pm local).Preferred T-0 is 1817Z (2:17pm local).
Backup launch day: 18/1740Z thru 18/1858Z Sep 20 (1:40pm thru 2:58pm local). Preferred T-0 is 1755Z (1:55pm local).

So the primary launch time is September 17 at 2:17 PM local (18:17 UTC).
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: zubenelgenubi on 09/09/2020 06:35 pm
From the recently published NOTMARs:
Quote
<snip>
Hazard periods for primary launch day and backup launch days;
Primary launch day: 17/1802Z thru 17/1920Z Sep 20 (2:02pm thru 3:20pm local).Preferred T-0 is 1817Z (2:17pm local).
Backup launch day: 18/1740Z thru 18/1858Z Sep 20 (1:40pm thru 2:58pm local). Preferred T-0 is 1755Z (1:55pm local).

So the primary launch time is September 17 at 2:17 PM local (18:17 UTC).
Source for Ben Cooper?:
http://www.launchphotography.com/Delta_4_Atlas_5_Falcon_9_Launch_Viewing.html
Quote
The next SpaceX Falcon 9 rocket from Cape Canaveral will launch the thirteenth batch of Starlink satellites from pad 39A on September 17 at 2:17pm EDT.

Scheduled:
Date - Satellite(s) - Rocket - Launch Site - Time (UTC)

2020
Mid- September 17 - Starlink flight 13 (x60) [v1.0 L12] - Falcon 9-094 (B1058.3 S) - Canaveral SLC-40 Kennedy LC-39A - 18:17
NET September 5  18 - NROL-44: Orion 10 (Mentor 8 ) (TBD) - Delta IV-H [D-385] - Canaveral SLC-37B - 04:30-07:12
Late September - Starlink flight 14 (x60) [v1.0 L13] - Falcon 9-095 (B1051.6 S) - Kennedy LC-39A
September 30 - Cygnus NG-14 (CRS-14) - Antares-230+ - MARS LP-0A - 02:26
NET September - STP-27RM: Monolith - Electron/Kick Stage - MARS LA-0A (LC-2)
October 1 - GPS III SV04 - Falcon 9 (B1062.1 S) - Canaveral SLC-40 - 00:00-04:00

Changes on September 1st
Changes on September 3rd
Changes on September 5th
Changes on September 7th
Changes on September 9th
zubenelgenubi September 9th
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/13/2020 12:30 pm
https://twitter.com/spacexfleet/status/1305119939943165952

Quote
Departure! Just Read the Instructions droneship is underway for the next Starlink mission - NET September 17th. JRTI is heading ~633 km downrange. Tugboat Finn Falgout is towing.

Photo captured via the WKMG-TV clickorlando.com Canaveral webcam.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/14/2020 02:26 pm
L-3 launch weather forecast is 60% GO
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/14/2020 04:53 pm
https://twitter.com/spacexfleet/status/1305545802413154304

Quote
LHAs of #Starlink v1.0-L12 from LC-39A planned for NET Sep 17 18:17 UTC, alternatively Sep 18. Usual droneship landing 633km downrange for B1058.3. Fairing recovery approx.715km downrange. Stage2 debris reentry on the second orbit south of Australia. bit.do/LHA12
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/15/2020 11:19 am
https://twitter.com/spacexfleet/status/1305827195181506560

Quote
Ms. Tree and Ms. Chief are outbound for the Starlink mission! It's a beautiful morning on the Space Coast.

Photo captured via visitspacecoast.com
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/15/2020 05:23 pm
L-2 launch weather forecast, still 60% GO
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: SMS on 09/16/2020 01:24 pm
L-1 launch weather forecast, still 60% GO
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Rondaz on 09/16/2020 01:26 pm
CelesTrak received pre-launch state vectors from @SpaceX today and has generated SupTLE for the next #Starlink launch attempt on Sep 17 at 1819 UTC. Deployment is set for 19:20:51.010 UTC. Data can be
 foundat:https://celestrak.com/NORAD/elements/supplemental/.

https://twitter.com/TSKelso/status/1306084468243927041
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: gongora on 09/16/2020 04:20 pm
Celestrak shows a deployment orbit of around 260x280km, with separation an hour after launch.  Not the same as the last mission.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/16/2020 08:50 pm
https://twitter.com/spacexfleet/status/1306323950117498882

Quote
Ms. Tree has diverted away from her expected path towards the LZ and will be arriving at the Port of Morehead City shortly.

JRTI and the booster recovery team are still at the LZ. I'm not sure about the current location of Ms. Chief.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/16/2020 08:52 pm
https://twitter.com/julia_bergeron/status/1306334879945293825

Quote
The Atlantic can be a mean mistress during the tropical season. This is a very active one at that. A check of the @NOAA bouy network shows rough conditions at the closest bouy to the LZ. Wave intervals have slowed but is it enough to prep JRTI for landing? #SpaceXFleet #Starlink
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/16/2020 09:39 pm
https://twitter.com/spacexfleet/status/1306346701301702656

Quote
Ms. Tree has just arrived at the Port of Morehead City, North Carolina.

I can confirm that she arrived alone - Ms. Chief is still at the landing zone. Webcam photo via the Duke Marine Lab
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/17/2020 12:03 am
twitter.com/spacex/status/1306378024711905280

Quote
Targeting September 17 at 2:19 p.m. EDT for Falcon 9 launch of 60 Starlink satellites from Launch Complex 39A

https://twitter.com/spacex/status/1306378025785647106

Quote
A fairing half supporting this mission previously supported Starlink missions in May 2019 and March 2020
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/17/2020 12:03 am
https://youtu.be/8O8Z2yPyTnc
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: cppetrie on 09/17/2020 12:11 am
twitter.com/spacex/status/1306378024711905280

Quote
Targeting September 17 at 2:19 p.m. EDT for Falcon 9 launch of 60 Starlink satellites from Launch Complex 39A

https://twitter.com/spacex/status/1306378025785647106

Quote
A fairing half supporting this mission previously supported Starlink missions in May 2019 and March 2020
Is this the first time a fairing has been reused for a third launch? Also, is this the first time where one fairing half is reflown and the other is new? If both a true then this would seem to advance the fairing reuse paradigm. They’d no longer need to recover intact pairs to benefit from recovery and they’d be getting more uses from the same hardware.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: scr00chy on 09/17/2020 12:46 am
Is this the first time a fairing has been reused for a third launch? Also, is this the first time where one fairing half is reflown and the other is new?

Yes and yes.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Rondaz on 09/17/2020 03:05 am
Falcon 9 has arrived at historic launch complex 39A ahead of tomorrow’s 2:19PM EDT (11:19AM PDT) launch attempt of the 12(13)th Starlink Mission. For those curious, it does appear that the NASA worm is still on B1058.3.

https://i.redd.it/ghrwmw8ldmn51.jpg
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Elthiryel on 09/17/2020 06:49 am
Here's the usual fan-made press kit.

By the way, press kit confirms the launch profile is different, with two second stage burns.
Celestrak shows a deployment orbit of around 260x280km, with separation an hour after launch.  Not the same as the last mission.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/17/2020 08:25 am
https://twitter.com/spaceflightnow/status/1306478989708611584

Quote
A Falcon 9 rocket is being lifted upright at launch complex 39A in readiness for launch later today with 60 Starlink broadband internet satellites: spaceflightnow.com/2020/09/17/fal…

Edit to add: now vertical. Screenshot from 321 launch webcam

https://youtu.be/GZgMVWnzimI
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: soltasto on 09/17/2020 08:48 am
And my capture with OCR
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/17/2020 01:29 pm
https://twitter.com/abernnyc/status/1306584037579018243

Quote
Ready for flight? B1058.3 will be lifting off LC-39A at 2:19 P.M. EST this afternoon, carrying #SpaceX's next batch of  #Starlink satellites.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/17/2020 02:00 pm
L-0 weather forecast has improved to 70% GO
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Chris Bergin on 09/17/2020 02:21 pm
Danny's overview.

https://www.nasaspaceflight.com/2020/09/spacex-twelfth-launch-starlink-v1-0/

https://twitter.com/NASASpaceflight/status/1306598650550734850
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Vettedrmr on 09/17/2020 02:26 pm
L-0 weather forecast has improved to 70% GO

Do we have any idea what the LZ sea states are like? Weather looks good, but IDK if that pertains to sea states or not.

Have a good one,
Mike
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: gongora on 09/17/2020 02:40 pm
L-0 weather forecast has improved to 70% GO

Do we have any idea what the LZ sea states are like? Weather looks good, but IDK if that pertains to sea states or not.

Have a good one,
Mike

This is the buoy that Julia tweeted yesterday, looks a smidge better than yesterday evening.
https://www.ndbc.noaa.gov/station_page.php?station=41002
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/17/2020 04:36 pm
https://twitter.com/nextspaceflight/status/1306632743363555329

Quote
The NASASpaceflight team will be live broadcasting today's Starlink launch from Kennedy Space Center. We will go live around T-60 minutes. Liftoff is scheduled for 2:19 pm Eastern (18:19 UTC).

Watch live:

https://youtu.be/cQemy7NZ0ns
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: scr00chy on 09/17/2020 05:00 pm
Visual mission profile (previous launches can be found here (https://www.elonx.net/launch-and-landing-profiles/))
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Chris Bergin on 09/17/2020 05:28 pm
https://twitter.com/NASASpaceflight/status/1306645995367944196
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/17/2020 05:30 pm
T-50 minutes. NSF livestream. Weather is 70% go.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: jcm on 09/17/2020 05:36 pm
So no rideshare, but back to the two-burn mission profile? I wonder why? Anyone know?
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/17/2020 05:41 pm
There's a Twitter report that there is a scrub. No word yet from SpaceX.

https://twitter.com/nextspaceflight/status/1306649263703601152
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Bubbinski on 09/17/2020 05:53 pm
Is the weather choppy at the recovery site where JRTI is?
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/17/2020 05:57 pm
NSF heard something on the loudspeaker about a hazard in the area. Not seeing vapour coming off the vehicle which would indicate that propellant loading has not started.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/17/2020 06:05 pm
https://twitter.com/spacex/status/1306655390713536513
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: SMS on 09/17/2020 07:23 pm
https://twitter.com/TSKelso/status/1306673001912438784
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: ZachS09 on 09/17/2020 07:54 pm
https://twitter.com/TSKelso/status/1306673001912438784


Subtracting the deployment time (18:59:17 UTC) by the deployment milestone (1 hour, 1 minute, 24 seconds), the launch time should be at 17:57:53 UTC (1:57:53 PM EDT).
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: soltasto on 09/17/2020 09:28 pm
So no rideshare, but back to the two-burn mission profile? I wonder why? Anyone know?

Maybe they just want more margin. Or the satellites increased a bit in mass
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: cpushack on 09/17/2020 10:14 pm
So no rideshare, but back to the two-burn mission profile? I wonder why? Anyone know?

Maybe they just want more margin. Or the satellites increased a bit in mass

THey have added the sunshades and potentially some more with laser links
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/17/2020 11:18 pm
L-1 forecast for tomorrow only 30% GO
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: gongora on 09/18/2020 02:11 am
https://twitter.com/SpaceX/status/1306770607560962049
Quote
Standing down from tomorrow’s launch of Starlink due to severe weather in the recovery area, which is likely to persist for a couple days. Will announce a new target launch date once confirmed
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/18/2020 05:50 am
twitter.com/erdayastronaut/status/1306655628434329600

Quote
Is this one of the first scrubs due to recovery issues?! That's pretty awesome that recovery has become more of a consideration for mission success. Wow!

https://twitter.com/elonmusk/status/1306778373314826240

Quote
Current was too strong for droneship to hold station. Thrusters to be upgraded for future missions.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: aviators99 on 09/18/2020 04:20 pm
twitter.com/erdayastronaut/status/1306655628434329600

Quote
Is this one of the first scrubs due to recovery issues?! That's pretty awesome that recovery has become more of a consideration for mission success. Wow!

https://twitter.com/elonmusk/status/1306778373314826240

Quote
Current was too strong for droneship to hold station. Thrusters to be upgraded for future missions.

That is indeed interesting.  I recall early missions where SpaceX had emphasized the secondary nature of recovery and I believe specifically commented that they would launch even when recovery was hindered.  I wonder if this was customer cargo if things would be different?  Recovery is certainly a large part of cost-savings, so you would think it still would.  What if it was USSF, I wonder?
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Alexphysics on 09/18/2020 04:25 pm
No need to wonder. This is not the first time they have done this both with their own payload and with a paying customer. Some customers like NASA might benefit from the delay if that means the booster could be available for another mission for them in the future. If the recovery fails there's no future booster and SpaceX would have to make a new one risking a possible delay.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: cppetrie on 09/18/2020 04:27 pm
My recollection is that there was a commercial mission within the last year or so that was delayed a day or two in order to improve recovery site conditions. Can’t recall which one off the top of my head. I think for a commercial or USSF launch it would simply be a negotiation between SpaceX and the customer regarding whether to delay for recovery. There may even be language in some of the launch contracts that permit SpaceX some flexibility to delay a few days for recovery operations.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Nomadd on 09/18/2020 04:29 pm
twitter.com/erdayastronaut/status/1306655628434329600

Quote
Is this one of the first scrubs due to recovery issues?! That's pretty awesome that recovery has become more of a consideration for mission success. Wow!

https://twitter.com/elonmusk/status/1306778373314826240

Quote
Current was too strong for droneship to hold station. Thrusters to be upgraded for future missions.

That is indeed interesting.  I recall early missions where SpaceX had emphasized the secondary nature of recovery and I believe specifically commented that they would launch even when recovery was hindered.  I wonder if this was customer cargo if things would be different?  Recovery is certainly a large part of cost-savings, so you would think it still would.  What if it was USSF, I wonder?
Losing boosters every time the sea is too active isn't going to help get Starlink going any faster. They don't have that many available. Outside customers aren't going to have any reason to accept a delay unless they're writing contracts that way.   
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: anof on 09/18/2020 04:34 pm
My recollection is that there was a commercial mission within the last year or so that was delayed a day or two in order to improve recovery site conditions. Can’t recall which one off the top of my head. I think for a commercial or USSF launch it would simply be a negotiation between SpaceX and the customer regarding whether to delay for recovery. There may even be language in some of the launch contracts that permit SpaceX some flexibility to delay a few days for recovery operations.

I believe there also was a CRS mission that was delayed by an ASDS issue.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Prettz on 09/18/2020 05:07 pm
twitter.com/erdayastronaut/status/1306655628434329600

Quote
Is this one of the first scrubs due to recovery issues?! That's pretty awesome that recovery has become more of a consideration for mission success. Wow!

https://twitter.com/elonmusk/status/1306778373314826240

Quote
Current was too strong for droneship to hold station. Thrusters to be upgraded for future missions.
Weren't the thrusters just recently upgraded to even bigger ones? Or was that for the other droneship?
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: vanoord on 09/18/2020 05:23 pm
Weren't the thrusters just recently upgraded to even bigger ones? Or was that for the other droneship?

JRTI is at sea and has the new thrusters, which appear larger than those fitted to OCISLY (which is in port).

I'm not sure what the reference to 'current' means - mid-Ocean currents generally aren't strong and the effects of wind and waves are likely to be more of an issue for the drone ships.

JRTI has been used three times since coming to the east coast, but not since July - and OCISLY has picked up the last three landings. It points to something not being right with the new thruster system on JRTI.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: spacenut on 09/18/2020 05:25 pm
The recovery area is in or near the Gulf Stream.  Also the remnant of Hurricane Sally is going offshore at Virginia. 
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Comga on 09/18/2020 05:34 pm
The webcast (https://forum.nasaspaceflight.com/index.php?topic=51762.msg2133164#msg2133164) is counting down to 2:00 PM EDT, although there is no other indication of a launch today.

edit: Now "Waiting for SpaceX"
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/18/2020 06:04 pm
https://twitter.com/spacexfleet/status/1307007969121505286

Quote
Starlink: JRTI droneship and support ship GO Quest are slowly sailing southwest, unclear if they're drifting or returning to Canaveral.

Ms. Chief is definitely returning to Port Canaveral. Ms. Tree remains docked at the Port of Morehead City, having diverted there with an issue.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: klod on 09/18/2020 06:23 pm
My recollection is that there was a commercial mission within the last year or so that was delayed a day or two in order to improve recovery site conditions. Can’t recall which one off the top of my head. I think for a commercial or USSF launch it would simply be a negotiation between SpaceX and the customer regarding whether to delay for recovery. There may even be language in some of the launch contracts that permit SpaceX some flexibility to delay a few days for recovery operations.
Amos-17 - they had no time to wait, ULAs launch was close.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: zubenelgenubi on 09/18/2020 06:29 pm
Quote from: Elon Musk
Current was too strong for droneship to hold station. Thrusters to be upgraded for future missions.
Seeking correction or clarification:
Re: current. As noted, the recovery zone is in the Gulf Stream.
I wonder if there are cross-currents stirred up by one or more of the tropical systems recently active in the Atlantic, particularly Pauline.

Same thought re: wave height and direction--at cross-purposes to the Gulf Stream?

Attached: image of FIVE tropical cyclones in the North Atlantic basin, September 14, 1550 UTC.
Left: Sally
Center left: Paulette
Center right: Renee
Bottom right: Teddy
Extreme right: Vicky
(BTW: There is a full-res .jpg at 37.4 MB.)
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: ZachS09 on 09/18/2020 06:44 pm
My recollection is that there was a commercial mission within the last year or so that was delayed a day or two in order to improve recovery site conditions. Can’t recall which one off the top of my head. I think for a commercial or USSF launch it would simply be a negotiation between SpaceX and the customer regarding whether to delay for recovery. There may even be language in some of the launch contracts that permit SpaceX some flexibility to delay a few days for recovery operations.
Amos-17 - they had no time to wait, ULAs launch was close.

AMOS 17 was meant to be expendable. Hispasat 30W-6 was the one that had “no time to wait”.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: zubenelgenubi on 09/18/2020 07:30 pm
Did SpaceX leave the LV vertical on the pad?  Or has it been removed to the HIF?
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: scr00chy on 09/18/2020 07:51 pm
It's still vertical. See here:

https://youtu.be/GZgMVWnzimI
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: kevinof on 09/18/2020 07:56 pm
Not so much cross currents but if you have the gulf stream going north at say 3 knots and you then get a strong wind with a northerly component in it then you have a classic wind against tide and the gulf stream gets real ugly real fast. Waves stack up quickly with steep vertical faces and that can make holding station very very difficult.

Quote from: Elon Musk
Current was too strong for droneship to hold station. Thrusters to be upgraded for future missions.
Seeking correction or clarification:
Re: current. As noted, the recovery zone is in the Gulf Stream.
I wonder if there are cross-currents stirred up by one or more of the tropical systems recently active in the Atlantic, particularly Pauline.

Same thought re: wave height and direction--at cross-purposes to the Gulf Stream?

Attached: image of FIVE tropical cyclones in the North Atlantic basin, September 14, 1550 UTC.
Left: Sally
Center left: Paulette
Center right: Renee
Bottom right: Teddy
Extreme right: Vicky
(BTW: There is a full-res .jpg at 37.4 MB.)
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/19/2020 11:31 am
https://twitter.com/spacexfleet/status/1307279130933768194

Quote
Arrival! Ms. Chief has returned to Port Canaveral alone this morning.

Ms. Tree remains docked at the Port of Morehead City, NC.

Photo via visitspacecoast.com
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: sferrin on 09/19/2020 12:52 pm
I find myself wondering if SpaceX (and Blue Origin) are considering ways to not be hamstrung by weather.  Both want to have significant numbers of launches going forward and weather is a killer.  Imagine if airlines had to scrub flights every time the clouds rolled in.  Building sturdier rockets or expanding ground support so many missions can be launched when the weather is good would seem to be the only two options.  Thoughts?
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: smoliarm on 09/19/2020 02:09 pm
I find myself wondering if SpaceX (and Blue Origin) are considering ways to not be hamstrung by weather.  Both want to have significant numbers of launches going forward and weather is a killer.  Imagine if airlines had to scrub flights every time the clouds rolled in.  Building sturdier rockets or expanding ground support so many missions can be launched when the weather is good would seem to be the only two options.  Thoughts?

>Imagine if airlines had to scrub flights every time the clouds rolled in.
- and this is exactly as it was in the early ages of aviation :)
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Robotbeat on 09/19/2020 02:57 pm
I find myself wondering if SpaceX (and Blue Origin) are considering ways to not be hamstrung by weather.  Both want to have significant numbers of launches going forward and weather is a killer.  Imagine if airlines had to scrub flights every time the clouds rolled in.  Building sturdier rockets or expanding ground support so many missions can be launched when the weather is good would seem to be the only two options.  Thoughts?
Relevant only when flight rates are high. They can engineer their rockets to withstand higher loadings and lightning strikes. All at the cost of weight and payload.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/19/2020 03:20 pm
https://twitter.com/spacexfleet/status/1307336826429100037

Quote
Starlink: Just Read the Instructions droneship is returning to Port Canaveral.

The fact that SpaceX is choosing to tow the droneship all the way back to Florida instead of waiting near the LZ suggests a sizeable delay or a technical issue.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: wannamoonbase on 09/19/2020 03:28 pm
I find myself wondering if SpaceX (and Blue Origin) are considering ways to not be hamstrung by weather.  Both want to have significant numbers of launches going forward and weather is a killer.  Imagine if airlines had to scrub flights every time the clouds rolled in.  Building sturdier rockets or expanding ground support so many missions can be launched when the weather is good would seem to be the only two options.  Thoughts?
Relevant only when flight rates are high. They can engineer their rockets to withstand higher loadings and lightning strikes. All at the cost of weight and payload.

Yep, and RTLS landings, is a large impact on payload, but would eliminate so many ships, time and procedural steps.   A booster could start the day in a barn and end it in a barn.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/19/2020 03:47 pm
This isn’t the thread for a general discussion of weather impact on recovery & launch frequency.

By all means find or start a thread in the reusability section.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: AnalogMan on 09/19/2020 03:50 pm
This isn’t the thread for a general discussion of weather impact on recovery & launch frequency.

By all means find or start a thread in the reusability section.

That thread is here:

Does SpaceX have any launch scrub scenarios due to bad landing conditions?
https://forum.nasaspaceflight.com/index.php?topic=46054.0 (https://forum.nasaspaceflight.com/index.php?topic=46054.0)
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/20/2020 01:05 pm
https://twitter.com/spacexfleet/status/1307659141348024327

Quote
Arrival! Support ship GO Quest has returned to Port Canaveral following the postponement of the Starlink mission due to poor weather in the recovery zone.

Photo via visitspacecoast.com
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: input~2 on 09/22/2020 01:51 pm
Launch time:  Sept. 27 1443 GMT (10:43 a.m. EDT)
(SFN)
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Ken the Bin on 09/22/2020 07:46 pm
The Backup/Alternate Day is Monday, September 28 at ~14:22 UTC (~10:22am EDT).

Quote from: NGA
221851Z SEP 20
NAVAREA IV 901/20(11,26).
WESTERN NORTH ATLANTIC.
FLORIDA.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
   271428Z TO 271546Z SEP,
   ALTERNATE 281407Z TO 281525Z SEP
   IN AREAS BOUND BY:
   A. 28-39-11N 080-37-49W, 28-52-00N 080-25-00W,
      29-02-00N 080-12-00W, 29-00-00N 080-10-00W,
      28-50-00N 080-18-00W, 28-38-00N 080-29-00W,
      28-34-53N 080-34-27W, 28-38-28N 080-37-18W.
   B. 31-39-00N 077-20-00W, 33-15-00N 075-57-00W,
      33-40-00N 074-59-00W, 33-21-00N 074-25-00W,
      32-45-00N 074-32-00W, 31-25-00N 077-06-00W.
2. CANCEL THIS MSG 281625Z SEP 20.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/23/2020 12:52 am
https://twitter.com/kyle_m_photo/status/1308555884717641731

Quote
Welcome back JRTI. #SpaceXFleet #SpaceX

https://twitter.com/spacecoast_stve/status/1308568269666820100

Quote
Just Read The Instructions is back in port with no noticeable damage from the rather hairy trip home through rough weather and waves.

Word on the street is SpaceX is targeting Sunday to attempt the Starlink launch. We’ll see in the next few days which drone ship is used.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: gongora on 09/23/2020 08:57 pm
https://twitter.com/SpaceXFleet/status/1308867443595583494
Quote
SpaceX is swapping the droneship for the Starlink mission.

Tug Finn Falgout returned last night with JRTI - following a postponement because of poor weather - but is now preparing to depart Port Canaveral with OCISLY droneship for the revised launch date - NET Sep 27.



This switch isn't really surprising.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/23/2020 10:24 pm
https://twitter.com/spacexfleet/status/1308894714188509190

Quote
Departure! Of Course I Still Love You droneship is outbound towards the Starlink landing zone.

Hopefully the weather will cooperate this time! 🤞

twitter.com/spacecoast_stve/status/1308894051022909440

Quote
Pulling the ol’ switch-a-roo!

After bringing Just Read The Instructions home last night, tug Finn Falgout has just departed Port Canaveral with Of Course I Still Love You in tow. They’ll head downrange to get into position for the upcoming #Starlink mission.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: shooter6947 on 09/23/2020 10:27 pm

This switch isn't really surprising.

Sorry to not get it, but could you elaborate on why it's not surprising?  Is JRTI damaged somehow?  If so, the switch necessarily bears on the next flight (GPS-III) scheduled for 2 days after this one...
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: gongora on 09/23/2020 10:35 pm

This switch isn't really surprising.

Sorry to not get it, but could you elaborate on why it's not surprising?  Is JRTI damaged somehow?  If so, the switch necessarily bears on the next flight (GPS-III) scheduled for 2 days after this one...

The launch was delayed due to something about the recovery operations, then JRTI was towed back through high seas for a few days.

edit:  If they don't think JRTI would be ready for GPS, they could delay one of the missions.  The landing zones aren't far apart if they wanted to switch OCISLY from Starlink to GPS.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/24/2020 02:23 pm
L-3 weather forecast is 70% GO
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: capoman on 09/24/2020 04:58 pm

This switch isn't really surprising.

Sorry to not get it, but could you elaborate on why it's not surprising?  Is JRTI damaged somehow?  If so, the switch necessarily bears on the next flight (GPS-III) scheduled for 2 days after this one...

The launch was delayed due to something about the recovery operations, then JRTI was towed back through high seas for a few days.

edit:  If they don't think JRTI would be ready for GPS, they could delay one of the missions.  The landing zones aren't far apart if they wanted to switch OCISLY from Starlink to GPS.

It could be as simple as current predictions are calmer for landing for the new Starlink date, then the GPS date. We already know that JRTI has updated thrusters. It's also possible they may want to inspect JRTI before sending back out. It doesn't necessarily mean JRTI was damaged. It was just in some seriously bad conditions.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: leetdan on 09/24/2020 05:55 pm
There's also the issue of launch priority.  If JRTI can handle worse conditions, it makes sense that it should be made available for the external launch rather than the internal.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: aero on 09/24/2020 06:32 pm
There's also the issue of launch priority.  If JRTI can handle worse conditions, it makes sense that it should be made available for the external launch rather than the internal.

Disagree. Booster recovery is not related to mission success. It makes more sense to recover the most "valuable" booster, where value is based on factors like the remaining booster launches 'till end of life or booster mission data collection, if that is needed. The severity of the weather forcast factors in, as well. That is, recover an old, near dead booster with high probability or attempt the recovery on a newer more valuable booster with a lower likelyhood of success. It ends up being an informed judgement call.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: leetdan on 09/24/2020 07:56 pm
Disagree. Booster recovery is not related to mission success

There's a time I would've agreed with your conclusion, but we've seen both internal and external (CRS-17 (https://forum.nasaspaceflight.com/index.php?topic=48028.msg1942658#msg1942658)) customer launches be scrubbed strictly due to recovery conditions.  Since an out-of-position ASDS can directly cause a scrub, the more capable ASDS should therefore be assigned the higher priority launch.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/24/2020 11:00 pm
https://twitter.com/spacexfleet/status/1309262442954928129

Quote
Off they go again!

OCISLY droneship and support ship GO Quest are once again well underway towards the Starlink LZ.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: aero on 09/25/2020 12:49 am
Disagree. Booster recovery is not related to mission success

There's a time I would've agreed with your conclusion, but we've seen both internal and external (CRS-17 (https://forum.nasaspaceflight.com/index.php?topic=48028.msg1942658#msg1942658)) customer launches be scrubbed strictly due to recovery conditions.  Since an out-of-position ASDS can directly cause a scrub, the more capable ASDS should therefore be assigned the higher priority launch.

I did make the faulty assumption that both launches would go. That is a bad assumption since SpaceX may again choose to delay the internal launch for more favorable recovery conditions. Then launch for the paying customer is logical.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/25/2020 12:12 pm
DIV-H just got bumped a day, so expect knock-on impact to this launch due to range availability:

https://twitter.com/ulalaunch/status/1309464927602704384

Quote
The launch of a ULA #DeltaIVHeavy rocket carrying the #NROL44 mission for the @NatReconOfc is delayed due to an issue with the swing arm retraction system. Launch is now scheduled for 12:10 a.m. EDT, on Sept. 27, 2020.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: RocketLover0119 on 09/25/2020 12:41 pm
DIV-H just got bumped a day, so expect knock-on impact to this launch due to range availability:

https://twitter.com/ulalaunch/status/1309464927602704384

Quote
The launch of a ULA #DeltaIVHeavy rocket carrying the #NROL44 mission for the @NatReconOfc is delayed due to an issue with the swing arm retraction system. Launch is now scheduled for 12:10 a.m. EDT, on Sept. 27, 2020.

Would be launching 10 hours before Starlink, don’t see why they couldn’t do both as long as NROL gets off first.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Elthiryel on 09/25/2020 01:55 pm
According to the updated weather forecast, the launch is now planned for September 28.

Weather is 70% GO.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Nomadd on 09/25/2020 02:16 pm

It could be as simple as current predictions are calmer for landing for the new Starlink date, then the GPS date. We already know that JRTI has updated thrusters. It's also possible they may want to inspect JRTI before sending back out. It doesn't necessarily mean JRTI was damaged. It was just in some seriously bad conditions.
The scrub and the switch both make me wonder about the new thruster performance. Those hydraulic Thrustmasters could be huge Ps ITA, but they could also give you instantaneous torque that could enable some impressive station keeping in interesting seas. Keeping one of those barges within a meter in hard to predict water and wind has always impressed me greatly.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/25/2020 03:56 pm
Would be launching 10 hours before Starlink, don’t see why they couldn’t do both as long as NROL gets off first.

I thought 16 hours was minimum turnaround time for the range?
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: zubenelgenubi on 09/25/2020 09:00 pm
Cross-post; now an even tighter launch "salvo" scheduled for the US east coast:
Scheduled:
Date - Satellite(s) - Rocket - Launch Site - Time (UTC)

2020
September 26 27 - NROL-44: Orion 10 (RIO 10, Mission 8306, Mentor 8 ) (TBD) - Delta IV-H [D-385] - Canaveral SLC-37B  - 04:10
September 27 28  - Starlink flight 13 (x60) [v1.0 L12] - Falcon 9-094 (B1058.3 S) - Kennedy LC-39A - 14:22
September 30 - GPS III SV04 - Falcon 9 (B1062.1 S) - Canaveral SLC-40 - 01:55
September 30 - Cygnus NG-14 (CRS-14) - Antares-230+ - MARS LP-0A - 02:27

Changes on September 25th

Would be launching 10 hours before Starlink, don’t see why they couldn’t do both as long as NROL gets off first.
I thought 16 hours was minimum turnaround time for the range?
34 hours between Delta IV-H and Falcon 9 launches.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: SMS on 09/25/2020 11:29 pm
https://twitter.com/TSKelso/status/1309634946588270592
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: zubenelgenubi on 09/26/2020 03:31 am
NROL-44 launch apparently delayed 1 more day to September 28. (https://forum.nasaspaceflight.com/index.php?topic=48305.msg2136314#msg2136314)

And:
According to the updated weather forecast, the launch is now planned for September 28.
Weather is 70% GO.
Noting that there is no back-up launch day with a weather forecast.  As of that posting, September 29 is not a back-up day.

OK, now what?
Scheduled:
Date - Satellite(s) - Rocket - Launch Site - Time (UTC)

2020
September 26 27 28 - NROL-44: Orion 10 (RIO 10, Mission 8306, Mentor 8 ) (TBD) - Delta IV-H [D-385] - Canaveral SLC-37B  - 04:14 10 06?
September 30 - GPS III SV04 - Falcon 9 (B1062.1 S) - Canaveral SLC-40 - 01:55
September 30 - Cygnus NG-14 (CRS-14) - Antares-230+ - MARS LP-0A - 02:27
(??) September 27 28 October 1  - Starlink flight 13 (x60) [v1.0 L12] - Falcon 9-094 (B1058.3 S) - Kennedy LC-39A - 14:43 22 13:17

Changes on September 25th
zubenelgenubi September 25th
zubenelgenubi September 26th

Would be launching 10 hours before Starlink, don’t see why they couldn’t do both as long as NROL gets off first.
I thought 16 hours was minimum turnaround time for the range?
34 hours between Delta IV-H and Falcon 9 launches.
10 hours between Delta IV-H and Falcon 9 launches?

Or, could the Starlink launch be delayed to immediately after the GPS launch?  Example: October 1.
The NRO and GPS launches are both for national security.  I believe that gives them priority?

EDITed September 26; see below.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/26/2020 04:38 pm
L-2 weather forecast still showing Sep 28th launch but seems doubtful (unless NROL-44 slips much further). FWIW 28th is 70% GO
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: zubenelgenubi on 09/26/2020 05:09 pm
L-2 weather forecast still showing Sep 28th launch but seems doubtful (unless NROL-44 slips much further). FWIW 28th is 70% GO
Back-up launch day is a 72 hour delay, putting the launch on October 1.

Delta 4-Heavy launch delayed by ground system issue (https://spaceflightnow.com/2020/09/24/delta-4-heavy-cleared-for-liftoff-after-launch-readiness-review/), dated September 24, updated on the 25th and 26th:
Quote
Sources later said the Falcon 9 launch from pad 39A was delayed to Thursday [October 1] at 9:17 a.m. EDT (1317 GMT).
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/26/2020 11:24 pm
https://twitter.com/SpaceXFleet/status/1309996727571800069

Quote
It's getting very busy offshore! Dual droneship deployment!

OCISLY, GO Quest and Ms. Chief are in position to support the Starlink mission. Tug Hawk is towing JRTI towards the GPS LZ.

Ms. Tree is still docked in Morehead City - unclear if she will take part in either mission.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: gongora on 09/26/2020 11:37 pm
Sometimes it feels like ULA is doing this on purpose…

ULA didn't stop the launch from happening a week and a half ago
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: gongora on 09/27/2020 02:14 am
At this point I'm just waiting to see if Ken the Bin finds an updated NOTMAR for the launch or not.  With NROL-44 moving around so much, wonder if this could end up staying on the 28th.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Ken the Bin on 09/27/2020 02:22 am
At this point I'm just waiting to see if Ken the Bin finds an updated NOTMAR for the launch or not.  With NROL-44 moving around so much, wonder if this could end up staying on the 28th.

So far I haven't received anything even with the October 1st backup day indicated in the weather forecast.

The last thing I received for this launch is this notice yesterday with just September 28:
Quote from: NGA
252255Z SEP 20
NAVAREA IV 918/20(11,26).
WESTERN NORTH ATLANTIC.
FLORIDA.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
   281407Z TO 281525Z SEP
   IN AREAS BOUND BY:
   A. 28-39-11N 080-37-49W, 28-52-00N 080-25-00W,
      29-02-00N 080-12-00W, 29-00-00N 080-10-00W,
      28-50-00N 080-18-00W, 28-38-00N 080-29-00W,
      28-34-53N 080-34-27W, 28-38-28N 080-37-18W.
   B. 31-39-00N 077-20-00W, 33-15-00N 075-57-00W,
      33-40-00N 074-59-00W, 33-21-00N 074-25-00W,
      32-45-00N 074-32-00W, 31-25-00N 077-06-00W.
2. CANCEL NAVAREA IV 901/20.
3. CANCEL THIS MSG 281625Z SEP 20.

Plus this related "space debris" notice:
Quote from: NGA
252307Z SEP 20
HYDROPAC 2798/20(61,75,76).
INDIAN OCEAN.
WESTERN SOUTH PACIFIC.
DNC 03, DNC 04, DNC 05.
1. HAZARDOUS OPERATIONS, SPACE DEBRIS
   281618Z TO 281719Z SEP
   IN AREA BOUND BY
   29-43S 060-07E, 24-55S 064-27E,
   38-45S 084-30E, 45-12S 099-45E,
   49-46S 119-13E, 50-42S 138-19E,
   48-50S 156-44E, 51-46S 158-08E,
   54-42S 148-32E, 56-20S 131-03E,
   55-52S 107-50E, 49-11S 085-05E,
   34-32S 064-13E.
2. CANCEL HYDROPAC 2765/20.
3. CANCEL THIS MSG 281819Z SEP 20.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: AndrewRG10 on 09/27/2020 06:39 am
Sometimes it feels like ULA is doing this on purpose…

ULA didn't stop the launch from happening a week and a half ago
But they did delay it, twice, I think…

Yeh but the spaceflight industry doesn't work like that. There's no conspiracy of any company trying to take down another by delaying a launch. Complete garbage and that's honestly on par with the flat earth conspiracy theorists.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: gongora on 09/27/2020 01:37 pm
L-1 Weather forecast is 60% go.
https://www.patrick.af.mil/Portals/14/Weather/Falcon%209%20StarlinkV1_0-L12%20L-1%20Forecast%20-%2028%20SEP%20Launch.pdf?ver=pzeLCCXqEIYXFrCwNK0nBw%3d%3d
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: klod on 09/27/2020 01:42 pm
Is this date for this launch legit? Shouldn't SpaceX wait for Delta launch?
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Ken the Bin on 09/27/2020 01:57 pm
L-1 Weather forecast is 60% go.
https://www.patrick.af.mil/Portals/14/Weather/Falcon%209%20StarlinkV1_0-L12%20L-1%20Forecast%20-%2028%20SEP%20Launch.pdf?ver=pzeLCCXqEIYXFrCwNK0nBw%3d%3d
Note that this forecast does not have October 1 as a backup day, and in fact does not have a backup day at all, which matches the last notice from the NGA.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Magical Trevor on 09/27/2020 02:56 pm
Is this date for this launch legit? Shouldn't SpaceX wait for Delta launch?

https://twitter.com/SpaceX/status/1310224828574478341
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: klod on 09/27/2020 03:04 pm
Is this date for this launch legit? Shouldn't SpaceX wait for Delta launch?

https://twitter.com/SpaceX/status/1310224828574478341
Aha, saw this tweet, again - unbelievable, SpX overruled the queue ULA with NROL launch.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: gongora on 09/27/2020 03:07 pm
Is this date for this launch legit? Shouldn't SpaceX wait for Delta launch?

https://twitter.com/SpaceX/status/1310224828574478341
Aha, saw this tweet, again - unbelievable, SpX overruled the queue ULA with NROL launch.

SpaceX didn't "overrule" anybody.  This is just how the schedule worked out when NROL-44 moved another day.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: klod on 09/27/2020 03:24 pm
Is this date for this launch legit? Shouldn't SpaceX wait for Delta launch?

https://twitter.com/SpaceX/status/1310224828574478341
Aha, saw this tweet, again - unbelievable, SpX overruled the queue ULA with NROL launch.

SpaceX didn't "overrule" anybody.  This is just how the schedule worked out when NROL-44 moved another day.
So, why didn't they launch today?
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: TorenAltair on 09/27/2020 03:51 pm
For your daily dose of rocketry:

https://youtu.be/8O8Z2yPyTnc
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Lars-J on 09/27/2020 05:40 pm
SpaceX didn't "overrule" anybody.  This is just how the schedule worked out when NROL-44 moved another day.
So, why didn't they launch today?
Because at the time that could be decided the NROL-44 had not yet slipped (yet) again. SpaceX can’t launch immediately if given a chance, it takes time.

But I’m guessing this time they bet that there was a good chance NROL-44 might slip again, and told the range that they could be ready if that happened. And it did. So they now have one chance to launch before it. Should it scrub, however, it will have to jump back behind NROL-44.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: klod on 09/27/2020 05:48 pm
https://twitter.com/SciGuySpace/status/1310218187439583232?s=20
Quote
Regardless we’ve come a long way since May, 2005, when SpaceX was told to wait indefinitely at Vandenberg for an NRO launch.
That was nice reminder.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: zubenelgenubi on 09/27/2020 06:05 pm
SpaceX didn't "overrule" anybody.  This is just how the schedule worked out when NROL-44 moved another day.
So, why didn't they launch today?
Because at the time that could be decided the NROL-44 had not yet slipped (yet) again. SpaceX can’t launch immediately if given a chance, it takes time.
Could be a labor issue.  What if many in the Falcon 9/Starlink launch campaign were given Sunday, today, the day off?  I assume they've been working a hectic schedule this month.  Is it worth the personnel wear and tear to suddenly call everyone back to stations one day early, for an internal payload?

To quote Gene Roddenberry, one always must factor in the "human equation."

Not looking for a big off-topic discussion.  Just putting that out here for collective consideration.

Also pointing this out for any future supervisors and managers.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: soltasto on 09/27/2020 11:28 pm
Updated the "press kit"
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: scr00chy on 09/28/2020 06:28 am
Updated visual mission profile
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Elthiryel on 09/28/2020 07:21 am
And another updated press kit. :)
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: zubenelgenubi on 09/28/2020 07:54 am
Launchapalooza!
Scheduled:
Date - Satellite(s) - Rocket - Launch Site - Time (UTC)

2020
September 27 28 October 1  - Starlink flight 13 (x60) [v1.0 L12] - Falcon 9-094 (B1058.3 S) - Kennedy LC-39A - 14:22 43 13:17
September 26 27 28 29 - NROL-44: Orion 10 (RIO 10, Mission 8306, Mentor 8 ) (TBD) - Delta IV-H [D-385] - Canaveral SLC-37B - 04:02 14 10 06
September 30 - GPS III SV04 - Falcon 9 (B1062.1 S) - Canaveral SLC-40 - 01:55
September 30 October 2 - Cygnus NG-14 (CRS-14) - Antares-230+ - MARS LP-0A - 01:38 02:27

Changes on September 25th
Changes on September 26th
Changes on September 27th
Changes on September 28th
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/28/2020 11:53 am
Current view of pad from 321 Launch live stream
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Chris Bergin on 09/28/2020 12:04 pm
https://twitter.com/NASASpaceflight/status/1310550765128290307
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Semmel on 09/28/2020 12:18 pm
https://twitter.com/SciGuySpace/status/1310218187439583232?s=20
Quote
Regardless we’ve come a long way since May, 2005, when SpaceX was told to wait indefinitely at Vandenberg for an NRO launch.
That was nice reminder.

They earned it. Wouldnt be fun if it was too easy ;)
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/28/2020 01:02 pm
https://youtu.be/V9CtVlAvGYk
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/28/2020 01:20 pm
T-62 minutes.

Credit 321 Launch YouTube Livestream.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/28/2020 01:32 pm
T-50 minutes.

Credit 321 Launch YouTube Livestream.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: kdhilliard on 09/28/2020 01:34 pm
For your daily dose of rocketry:

https://youtube.com/watch?v=8O8Z2yPyTnc

Strange that their webcast is "Unlisted", and thus can't be found by going to their channel's "Videos" page.  Is that typical?

Edit: It was just de-unlisted (listed?).
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/28/2020 01:35 pm
https://youtu.be/C54VAVYTf2Q
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/28/2020 01:41 pm
NSF coverage has started.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/28/2020 01:44 pm
T-38 minutes. The SpaceX Launch Director should be verifying go for propellant load about now.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/28/2020 01:46 pm
The mission audio seems to show an animation of the Falcon 9.

Just heard "Go for prop load."
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/28/2020 01:47 pm
T-35 minutes. "Prop load has started."
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/28/2020 01:52 pm
T-30 minutes.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/28/2020 01:57 pm
T-25 minutes.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/28/2020 02:02 pm
T-20 minute vent.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Chris Bergin on 09/28/2020 02:02 pm
https://twitter.com/NASASpaceflight/status/1310580715856310272
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/28/2020 02:06 pm
T-16 minutes. Second stage LOX loading should be starting about now.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/28/2020 02:10 pm
T-12 minutes. NSF team had reported drizzle at the launch site.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/28/2020 02:10 pm
Funky music has started!
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/28/2020 02:12 pm
T-10 minutes.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/28/2020 02:13 pm
SpaceX coverage has started.

T-9 minutes.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/28/2020 02:14 pm
T-8 minutes. Currently no go for weather.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/28/2020 02:15 pm
OCISLY.

T-7 minutes. Engine chill should be starting now.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/28/2020 02:16 pm
T-6 minutes. Fairing catchers.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/28/2020 02:17 pm
T-5 minutes. Looking for network engineers and full stack software engineers.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/28/2020 02:18 pm
T-4 minutes.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/28/2020 02:19 pm
T-3 minutes. Weather still no go. Range is green though.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/28/2020 02:20 pm
T-2 minutes. LOX loading is complete.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/28/2020 02:21 pm
T-1 minute. Weather still no go.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/28/2020 02:22 pm
Its a scrub!
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/28/2020 02:22 pm
End of webcast.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/28/2020 02:23 pm
https://twitter.com/spacex/status/1310585610688540675

Quote
Standing down from launch of Starlink due to weather; will announce a new target launch date once confirmed
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: t3kboi on 09/28/2020 02:25 pm
During the webcast - why was there a large waterfall directly from the top of the water tower to the ground?  Have never noticed this before...
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/28/2020 02:26 pm
Some Starship manufacturing screen grabs.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: RocketLover0119 on 09/28/2020 02:27 pm
During the webcast - why was there a large waterfall directly from the top of the water tower to the ground?  Have never noticed this before...

This is a result of the water tower topping off water. Seen all the way back in the shuttle days also.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Steven Pietrobon on 09/28/2020 02:29 pm
NSF coverage still going. I'm off to bed!
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: ZachS09 on 09/28/2020 03:02 pm
During the webcast - why was there a large waterfall directly from the top of the water tower to the ground?  Have never noticed this before...

This is a result of the water tower topping off water. Seen all the way back in the shuttle days also.

I mistook that water tower phenomenon with rain, which also confused me in the final seconds of the Demo-2 countdown.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: Ken the Bin on 09/28/2020 04:56 pm
Here we go ... a new primary day and four backup/alternate days.

Dates with estimated launch times (all are ten minutes after the start of the warning period):
UTC: Oct 1 13:17, Oct 2 12:55, Oct 3 12:34, Oct 4 12:12, and Oct 5 11:51.

Quote from: NGA
281613Z SEP 20
NAVAREA IV 927/20(11,26).
WESTERN NORTH ATLANTIC.
FLORIDA.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
   011307Z TO 011415Z OCT, ALTERNATE
   021245Z TO 021353Z, 031224Z TO 031332Z,
   041202Z TO 041310Z AND 051141Z TO 051259Z OCT
   IN AREAS BOUND BY:
   A. 28-39-11N 080-37-49W, 28-52-00N 080-25-00W,
      29-02-00N 080-12-00W, 29-00-00N 080-10-00W,
      28-50-00N 080-18-00W, 28-38-00N 080-29-00W,
      28-34-53N 080-34-27W, 28-38-28N 080-37-18W.
   B. 31-39-00N 077-20-00W, 33-15-00N 075-57-00W,
      33-40-00N 074-59-00W, 33-21-00N 074-25-00W,
      32-45-00N 074-32-00W, 31-25-00N 077-06-00W.
2. CANCEL NAVAREA IV 918/20.
3. CANCEL THIS MSG 051359Z OCT 20.

Referenced:
Quote from: NGA
252255Z SEP 20
NAVAREA IV 918/20(11,26).
WESTERN NORTH ATLANTIC.
FLORIDA.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
   281407Z TO 281525Z SEP
   IN AREAS BOUND BY:
   A. 28-39-11N 080-37-49W, 28-52-00N 080-25-00W,
      29-02-00N 080-12-00W, 29-00-00N 080-10-00W,
      28-50-00N 080-18-00W, 28-38-00N 080-29-00W,
      28-34-53N 080-34-27W, 28-38-28N 080-37-18W.
   B. 31-39-00N 077-20-00W, 33-15-00N 075-57-00W,
      33-40-00N 074-59-00W, 33-21-00N 074-25-00W,
      32-45-00N 074-32-00W, 31-25-00N 077-06-00W.
2. CANCEL NAVAREA IV 901/20.
3. CANCEL THIS MSG 281625Z SEP 20.
Title: Re: SCRUB: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : NET Oct. 1, 2020 (~1315 UTC)
Post by: FutureSpaceTourist on 09/29/2020 02:20 pm
L-2 forecast now 70% GO
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: zubenelgenubi on 09/30/2020 04:31 am
Cross-post; my bold:
http://www.launchphotography.com/Delta_4_Atlas_5_Falcon_9_Launch_Viewing.html
Quote
FALCON 9

The next SpaceX Falcon 9 rocket from Cape Canaveral will launch the thirteenth batch of Starlink internet satellites from pad 39A on October 1 at 9:17am EDT. Then, a Falcon 9 will launch the fourth Block III GPS satellite on October 2 at 9:43pm EDT. The launch windows stretches to 9:58pm EDT. A Falcon 9 from pad 40 will launch the fourthteenth Starlink batch from pad TBA on October TBA. And a Falcon 9 will launch the fifteenth batch of Starlink satellites on October TBA. Other upcoming Falcon 9 launches are TBA. The next Crew Dragon, Crew-1, is scheduled for launch from pad 39A on October 31 at 2:40am EDT. The launch window is instantaneous. The launch time gets 22-26 min. earlier each day.

DELTA 4-HEAVY

The next Delta 4-Heavy rocket from Cape Canaveral will launch NROL-44 for the National Reconn. Office on September 30 at 11:54pm EDT. The launch period extends to 1:35am.

And, great shot in the Tweet!  Two Falcon 9's: SLC-40 in the foreground; SLC-39A in the background.
https://twitter.com/SpaceX/status/1311142615723638784
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Elthiryel on 09/30/2020 01:10 pm
The L-1 weather forecast remains unchanged, still 70% GO.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: soltasto on 09/30/2020 02:19 pm
Updated "Press kit" capture with ocr
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: FutureSpaceTourist on 09/30/2020 09:05 pm
https://twitter.com/spacexfleet/status/1311411248437891079

Quote
🔄 With a shifting launch order, the recovery fleet has repositioned back to the Starlink landing zones today.

The Starlink mission is now NET Oct 1, 9:17am EDT. Droneship landing on OCISLY.

JRTI droneship is patiently waiting for the GPS mission now NET Oct 2.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: SMS on 09/30/2020 09:41 pm
https://twitter.com/TSKelso/status/1311419606301437952
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: zubenelgenubi on 10/01/2020 04:12 am
Delta IV-H launch scrubbed tonight.
Starlink/Falcon 9 launch proceeds as scheduled in about 9 hours.

4th try at Launchapalooza!
Scheduled:
Date - Satellite(s) - Rocket - Launch Site - Time (UTC)

2020
September 27 28 October 1  - Starlink flight 13 (x60) [v1.0 L12] - Falcon 9-094 (B1058.3 S) - Kennedy LC-39A - 13:17 14:22 43
September 30 October 2 - Cygnus NG-14 (CRS-14) - Antares-230+ - MARS LP-0A - 01:38 02:27
September 30 October 1 3 - GPS III SV04 - Falcon 9 (B1062.1 S) - Canaveral SLC-40 - 01:43 51 55
September 26 27 28 29 30 October 1 TBD - NROL-44: Orion 10 (RIO 10, Mission 8306, Mentor 8 ) (TBD) - Delta IV-H [D-385] - Canaveral SLC-37B - 03:54 58 04:14 10 06 02
(launch about 4 minutes earlier/day)

Changes on September 25th
Changes on September 26th
Changes on September 27th
Changes on September 28th
Changes on September 29th
Changes on September 30th
zubenelgenubi October 1
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Elthiryel on 10/01/2020 07:28 am
Updated version of my "press kit".
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: FutureSpaceTourist on 10/01/2020 11:36 am
https://twitter.com/45thspacewing/status/1311630770822352898

Quote
Time to get things started for this morning’s #Starlink launch! Who’s ready? 🙋‍♀️🙋‍♂️
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: codav on 10/01/2020 11:52 am
NSF live coverage starting soon:

https://www.youtube.com/watch?v=bTCn572juSY
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: FutureSpaceTourist on 10/01/2020 11:57 am
Nice view:

https://twitter.com/emrekelly/status/1311634086818197504

Quote
Good morning from Kennedy Space Center, where we're...never mind, you know how this works. T-minus 90 minutes.

Edit to add: shot from 321 Launch live webcam
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: FutureSpaceTourist on 10/01/2020 12:22 pm
https://youtu.be/UZkaE_9zwQQ
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Chris Bergin on 10/01/2020 12:24 pm
https://twitter.com/NASASpaceflight/status/1311642995565965312
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: FutureSpaceTourist on 10/01/2020 12:32 pm
https://youtu.be/M78PbTFC7dQ
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Steven Pietrobon on 10/01/2020 12:48 pm
T-30 minutes.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Steven Pietrobon on 10/01/2020 12:53 pm
T-25 minutes.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Steven Pietrobon on 10/01/2020 12:57 pm
T-20 minute vent.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Chris Bergin on 10/01/2020 12:59 pm
https://twitter.com/NASASpaceflight/status/1311651818649333760
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Steven Pietrobon on 10/01/2020 01:01 pm
T-16 minutes. Second stage LOX loading should be starting about now.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Steven Pietrobon on 10/01/2020 01:04 pm
Time to get down. Its funky music time!
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Steven Pietrobon on 10/01/2020 01:05 pm
T-12 minutes.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Steven Pietrobon on 10/01/2020 01:06 pm
SpaceX coverage has started.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Steven Pietrobon on 10/01/2020 01:08 pm
Two Falcon 9's on the their pads.

T-10 minutes.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Steven Pietrobon on 10/01/2020 01:09 pm
T-9 minutes. First stage on third mission.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Steven Pietrobon on 10/01/2020 01:10 pm
OCISLY.

T-8 minutes.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Chris Bergin on 10/01/2020 01:10 pm
https://twitter.com/NASASpaceflight/status/1311654439439273984
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Steven Pietrobon on 10/01/2020 01:11 pm
T-7 minutes. Engine chill should be starting about now.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Steven Pietrobon on 10/01/2020 01:12 pm
T-6 minutes. Fairing catchers. Weather is 70% go.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Steven Pietrobon on 10/01/2020 01:13 pm
T-5 minutes. Starlink being used in Washington state.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Steven Pietrobon on 10/01/2020 01:14 pm
T-4 minutes. Starlink public beta later this year.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Steven Pietrobon on 10/01/2020 01:15 pm
T-3 minutes.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Steven Pietrobon on 10/01/2020 01:16 pm
T-2 minutes. Stage 2 LOX load complete.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Steven Pietrobon on 10/01/2020 01:17 pm
T-1 minute.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Steven Pietrobon on 10/01/2020 01:17 pm
LD is go for launch.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Steven Pietrobon on 10/01/2020 01:18 pm
Clock stopped at T-18 seconds.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Comga on 10/01/2020 01:18 pm
“Abort due to out of family ground sensor”
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Steven Pietrobon on 10/01/2020 01:19 pm
Out of family ground sensor reading.

Clock reset to T-15 minutes.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: sferrin on 10/01/2020 01:19 pm
Abort due to out of family ground sensor


What does that mean?
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Senex on 10/01/2020 01:21 pm
The strong back had not begun to move even by t - 0:18
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: otter on 10/01/2020 01:22 pm
Scrub?
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Steven Pietrobon on 10/01/2020 01:22 pm
End of SpaceX coverage.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: kessdawg on 10/01/2020 01:23 pm
Also never heard Falcon 9 is in startup but that probably doesn't mean anything.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Steven Pietrobon on 10/01/2020 01:24 pm
NSF stream. I'm going to call it a night. Still 0 down and four more to go!
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: eeergo on 10/01/2020 01:25 pm
Also never heard Falcon 9 is in startup but that probably doesn't mean anything.

That happens in literally every flight at T-1m.

Interesting note about the strongback, wonder why the countdown went on if it did not retract when expected.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: otter on 10/01/2020 01:26 pm
https://mobile.twitter.com/SpaceX/status/1311658269333618691
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: eeergo on 10/01/2020 01:29 pm
Scrub?

Mr Bharadvaj (commentator) did specify no backup date was available at this time, probably due to both the conflicting GPS launch tomorrow and the need to first identify, and then correct, the GSE problem.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: kessdawg on 10/01/2020 01:30 pm
Also never heard Falcon 9 is in startup but that probably doesn't mean anything.

That happens in literally every flight at T-1m.

Interesting note about the strongback, wonder why the countdown went on if it did not retract when expected.

Right, but I went back for a few missions and they usually call it out.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: eeergo on 10/01/2020 01:32 pm
Also never heard Falcon 9 is in startup but that probably doesn't mean anything.

That happens in literally every flight at T-1m.

Interesting note about the strongback, wonder why the countdown went on if it did not retract when expected.

Right, but I went back for a few missions and they usually call it out.

You're right, I mistook what you meant by "never heard": I thought you meant calling that out was unusual, when replaying the feed it's evident they didn't call it out, and hence this callout never arrived! Apologies for the misunderstanding.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Ken the Bin on 10/01/2020 01:32 pm
Scrub?

Mr Bharadvaj (commentator) did specify no backup date was available at this time, probably due to both the conflicting GPS launch tomorrow and the need to first identify, and then correct, the GSE problem.

There are four backup dates already assigned for this launch across the next four days, however with this scrub, ULA's scrub, and the GPS launch they're going to need to reevaluate the whole schedule.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Framryk on 10/01/2020 01:36 pm
Abort due to out of family ground sensor


What does that mean?

"Out of family" usually means there are multiple sensors that have to agree, if one sensor in the "family" disagrees, this can automate a shutdown or require a manual response. I'm assuming the "ground sensor" might be to do with the Ground Support Equipment, potentially the strongback retraction? (Pure speculation IMHO).

"Scrub September" is cascading into October!  :(
Title: Re: SCRUB : SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (13:17 UTC)
Post by: zubenelgenubi on 10/01/2020 01:41 pm
NSF web-cast team signing off.  Go team!
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (1317 UTC)
Post by: Craftyatom on 10/01/2020 01:41 pm
Abort due to out of family ground sensor


What does that mean?
There are many "ground systems" on the launch pad that need to work properly in order to launch the rocket: propellant loading lines, hold-down clamps, water deluge lines, etc.  Each of these has multiple sensors installed in order to monitor their performance.  What SpaceX saw today was some unusual readings from one of those sensors ("out of family" can mean unusual relative to other sensors, past experience, or expectations).  Maybe it was a faulty sensor, or maybe it was a ground system that wasn't doing its job properly.  They decided to stop the launch and investigate it, just to be safe.

The strong back had not begun to move even by t - 0:18
If you do a before-and-after, it is clear that the strongback moved very slightly in the minutes leading up to launch - about 5 degrees, which is completely normal.  If you compare this with footage from the Starlink v1.0 11 launch, it looks almost identical.  This is standard procedure, and the strongback only performs a full "throwback" at liftoff.
Title: Re: SCRUB : SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (13:17 UTC)
Post by: eeergo on 10/01/2020 01:57 pm

The strong back had not begun to move even by t - 0:18
If you do a before-and-after, it is clear that the strongback moved very slightly in the minutes leading up to launch - about 5 degrees, which is completely normal.  If you compare this with footage from the Starlink v1.0 11 launch, it looks almost identical.  This is standard procedure, and the strongback only performs a full "throwback" at liftoff.


It does look significantly less inclined compared to, for instance, the March 18th Starlink v1.0 launch.
Title: Re: SCRUB : SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (13:17 UTC)
Post by: wannamoonbase on 10/01/2020 02:05 pm
Maybe those static fire things have a purpose.
Title: Re: SCRUB : SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (13:17 UTC)
Post by: LouScheffer on 10/01/2020 02:21 pm
Has COVID-19 reduced the amount of GSE maintenance or practice runs?  There seem to be more GSE problems than usual. You can blame the Delta problems in infrequent flights, but SpaceX should not have that issue.   It makes intuitive sense that a limited workforce would concentrate on the launch vehicle itself, and perhaps pay less attention to GSE, but I don't know if that's really the case.
Title: Re: SCRUB : SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (13:17 UTC)
Post by: FutureSpaceTourist on 10/01/2020 02:23 pm
https://twitter.com/tj_cooney/status/1311647654636670981

Quote
A SUPER rare occurrence at @NASAKennedy today. THREE boosters on their pads, ready(ish) for launch. What an amazing photo.
📸: Zac Shaul
Title: Re: SCRUB : SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (13:17 UTC)
Post by: Norm38 on 10/01/2020 02:49 pm
Okay, who at KSC opened an umbrella indoors, broke 13 mirrors then walked under a ladder whilst a black cat crossed their path?  Someone lift this curse!
Title: Re: SCRUB : SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (13:17 UTC)
Post by: Ken the Bin on 10/01/2020 03:10 pm
The NGA has canceled all of the backup days for this launch and not assigned any new ones.  They did the same thing last night for ULA's NROL-44.  So the launch from the cape that still has marine navigation warnings in effect is SpaceX's GPS III SV04.

Quote from: NGA
011436Z OCT 20
NAVAREA IV 940/20(11,26).
WESTERN NORTH ATLANTIC.
FLORIDA.
CANCEL NAVAREA IV 927/20 AND THIS MSG.

Referenced:
Quote from: NGA
281613Z SEP 20
NAVAREA IV 927/20(11,26).
WESTERN NORTH ATLANTIC.
FLORIDA.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
   011307Z TO 011415Z OCT, ALTERNATE
   021245Z TO 021353Z, 031224Z TO 031332Z,
   041202Z TO 041310Z AND 051141Z TO 051259Z OCT
   IN AREAS BOUND BY:
   A. 28-39-11N 080-37-49W, 28-52-00N 080-25-00W,
      29-02-00N 080-12-00W, 29-00-00N 080-10-00W,
      28-50-00N 080-18-00W, 28-38-00N 080-29-00W,
      28-34-53N 080-34-27W, 28-38-28N 080-37-18W.
   B. 31-39-00N 077-20-00W, 33-15-00N 075-57-00W,
      33-40-00N 074-59-00W, 33-21-00N 074-25-00W,
      32-45-00N 074-32-00W, 31-25-00N 077-06-00W.
2. CANCEL NAVAREA IV 918/20.
3. CANCEL THIS MSG 051359Z OCT 20.
Title: Re: SCRUB : SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (13:17 UTC)
Post by: Comga on 10/01/2020 03:16 pm

The strong back had not begun to move even by t - 0:18
If you do a before-and-after, it is clear that the strongback moved very slightly in the minutes leading up to launch - about 5 degrees, which is completely normal.  If you compare this with footage from the Starlink v1.0 11 launch, it looks almost identical.  This is standard procedure, and the strongback only performs a full "throwback" at liftoff.


It does look significantly less inclined compared to, for instance, the March 18th Starlink v1.0 launch.

That appearance is due to differences in the lighting.
The Sun is in a slightly different direction, so the shadows are different.
Look at the strap that wraps around the fairing during rollout.
Very similar fractions of it can be seen.
But even that comparison relies on the cameras being in the same place.
(I think it is a fixed SpaceX installation.)

The slight lean-back happens at T-4:00 IIRC.
Because they didn’t scrub then we can have 100% confidence the TE was working properly.
SpaceX is not relying on us to be “That Internet Guy”  who spots something on the video feed that eludes their multitudinous sensors.
Title: Re: SCRUB : SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (13:17 UTC)
Post by: Alexphysics on 10/01/2020 03:47 pm
I don't know you guys what you're saying about the strongback not retracting. It is retracted and you can go back and watch it being retracted. It takes about a minute until it is in launch position and you can see it retracting if you go and play it a twice the speed, it's funny hearing Siva speaking fast
Title: Re: SCRUB : SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (13:17 UTC)
Post by: Citabria on 10/01/2020 04:08 pm
https://twitter.com/tj_cooney/status/1311647654636670981

Quote
A SUPER rare occurrence at @NASAKennedy today. THREE boosters on their pads, ready(ish) for launch. What an amazing photo.
📸: Zac Shaul

Cool! Must be from Playalinda beach:

Title: Re: SCRUB : SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (13:17 UTC)
Post by: Ken the Bin on 10/01/2020 04:34 pm
An L-2 weather forecast has been issued for October 3.  I haven't received anything new from the NGA yet, but based on the previous notice, the primary day would be Saturday, October 3 around ~12:34 UTC and backup day Sunday, October 4 around ~12:12 UTC.
Title: Re: SCRUB : SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (13:17 UTC)
Post by: RocketLover0119 on 10/01/2020 04:36 pm
An L-2 weather forecast has been issued for October 3.  I haven't received anything new from the NGA yet, but based on the previous notice, the primary day would be Saturday, October 3 around ~12:34 UTC and backup day Sunday, October 4 around ~12:12 UTC.

There is now a NOTAM for primary Saturday and back up Sunday in place now also. Should seep official confirmation soon.
Title: Re: SCRUB : SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 1, 2020 (13:17 UTC)
Post by: Ken the Bin on 10/01/2020 06:07 pm
An L-2 weather forecast has been issued for October 3.  I haven't received anything new from the NGA yet, but based on the previous notice, the primary day would be Saturday, October 3 around ~12:34 UTC and backup day Sunday, October 4 around ~12:12 UTC.

There is now a NOTAM for primary Saturday and back up Sunday in place now also. Should seep official confirmation soon.

I received the notice from the NGA.  Even though the weather forecast only had one backup day, there are actually two.

Primary Day = Saturday, October 3 at ~12:34 UTC.
Backup Day #1 = Sunday, October 4 at ~12:12 UTC.
Backup Day #2 = Monday, October 5 at ~11:51 UTC.

Quote from: NGA
011744Z OCT 20
NAVAREA IV 941/20(11,26).
WESTERN NORTH ATLANTIC.
FLORIDA.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
   031224Z TO 031332Z OCT, ALTERNATE
   041202Z TO 041310Z AND 051141Z TO 051259Z OCT
   IN AREAS BOUND BY:
   A. 28-39-11N 080-37-49W, 28-52-00N 080-25-00W,
      29-02-00N 080-12-00W, 29-00-00N 080-10-00W,
      28-50-00N 080-18-00W, 28-38-00N 080-29-00W,
      28-34-53N 080-34-27W, 28-38-28N 080-37-18W.
   B. 31-39-00N 077-20-00W, 33-15-00N 075-57-00W,
      33-40-00N 074-59-00W, 33-21-00N 074-25-00W,
      32-45-00N 074-32-00W, 31-25-00N 077-06-00W.
2. CANCEL THIS MSG 051359Z OCT 20.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 3, 2020 (12:34 UTC)
Post by: eeergo on 10/01/2020 09:17 pm
ignificantly less inclined compared to, for instance, the March 18th Starlink v1.0 launch.
That appearance is due to differences in the lighting.
The Sun is in a slightly different direction, so the shadows are different.
Look at the strap that wraps around the fairing during rollout.
Very similar fractions of it can be seen.
But even that comparison relies on the cameras being in the same place.
(I think it is a fixed SpaceX installation.)

The slight lean-back happens at T-4:00 IIRC.
Because they didn’t scrub then we can have 100% confidence the TE was working properly.
SpaceX is not relying on us to be “That Internet Guy”  who spots something on the video feed that eludes their multitudinous sensors.

There is a difference in TEL position that is certainly not a consequence of lighting or billowing vapor confounding effects, try switching back and forth between the cropped images I posted. The TEL *did* retract somewhat (starting at T-4:30), I wasn't saying it didn't at all - but there's a visible difference in opening angles between today's scrubbed attempt and other past launches.

Maybe it's within tolerance and there's a lax range of angles it can rest at (the leanback is always not quite smooth, it oscillates back and forth a little bit before settling, probably due to the pneumatics controlling it being pressurized) and we're just paying attention to it due to the GSE scrub, but we certainly cannot as outsiders say there's 100% confidence the TEL didn't intervene - it could well be there's a time period over which it can reach its complete leanback and it didn't quite make it. Or not, but please let's try not to be "That Internet Guy" (i.e. the one who makes categorical statements with incomplete information) from both sides of the conversation.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 3, 2020 (12:34 UTC)
Post by: Norm38 on 10/01/2020 11:25 pm
When did 39A get the lighting tower wires?  After Demo-2.  When did I miss that?
And I guess more importantly, why were they added?
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 3, 2020 (12:34 UTC)
Post by: Ken the Bin on 10/02/2020 05:09 pm
L-1 weather forecast:
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 3, 2020 (12:34 UTC)
Post by: Ken the Bin on 10/02/2020 09:17 pm
Per the NGA, this launch is postponed to October 5.

Primary Day = Monday, October 5 at ~11:51 UTC.
Backup Day = Tuesday, October 6 at ~11:29 UTC.

Quote from: NGA
022033Z OCT 20
NAVAREA IV 945/20(11,26).
WESTERN NORTH ATLANTIC.
FLORIDA.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
   051141Z TO 051259Z OCT, ALTERNATE
   061119Z TO 061227Z OCT
   IN AREAS BOUND BY:
   A. 28-39-11N 080-37-49W, 28-52-00N 080-25-00W,
      29-02-00N 080-12-00W, 29-00-00N 080-10-00W,
      28-50-00N 080-18-00W, 28-38-00N 080-29-00W,
      28-34-53N 080-34-27W, 28-38-28N 080-37-18W.
   B. 31-39-00N 077-20-00W, 33-15-00N 075-57-00W,
      33-40-00N 074-59-00W, 33-21-00N 074-25-00W,
      32-45-00N 074-32-00W, 31-25-00N 077-06-00W.
2. CANCEL NAVAREA IV 941/20.
3. CANCEL THIS MSG 061327Z OCT 20.

Referenced:
Quote from: NGA
011744Z OCT 20
NAVAREA IV 941/20(11,26).
WESTERN NORTH ATLANTIC.
FLORIDA.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
   031224Z TO 031332Z OCT, ALTERNATE
   041202Z TO 041310Z AND 051141Z TO 051259Z OCT
   IN AREAS BOUND BY:
   A. 28-39-11N 080-37-49W, 28-52-00N 080-25-00W,
      29-02-00N 080-12-00W, 29-00-00N 080-10-00W,
      28-50-00N 080-18-00W, 28-38-00N 080-29-00W,
      28-34-53N 080-34-27W, 28-38-28N 080-37-18W.
   B. 31-39-00N 077-20-00W, 33-15-00N 075-57-00W,
      33-40-00N 074-59-00W, 33-21-00N 074-25-00W,
      32-45-00N 074-32-00W, 31-25-00N 077-06-00W.
2. CANCEL THIS MSG 051359Z OCT 20.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 5, 2020 (~11:50 UTC)
Post by: zubenelgenubi on 10/03/2020 06:56 am
Launchapalooza continues!
Launched:
№ – Date - Satellite(s) - Rocket - Launch Site - Time (UTC)

2020
October 3 - Cygnus NG-14 "Kalpana" (CRS-14) - Antares-230+ - MARS LP-0A - 01:16


Scheduled:
Date - Satellite(s) - Rocket - Launch Site - Time (UTC)

2020
September 27 28 October 1  2 3 5  - Starlink flight 13 (x60) [v1.0 L12] - Falcon 9-094 (B1058.3 S) - Kennedy LC-39A - 11:51 14:43 22 13:17 12:34 55
September 30 October 1 3 TBD - GPS III SV04 - Falcon 9 (B1062.1 S) - Canaveral SLC-40 - TBD 01:55 51 43
(15 minute launch window; launch about 4 minutes earlier/day)
September 26 27 28 29 30 October 1 TBD - NROL-44: Orion 10 (RIO 10, Mission 8306, Mentor 8 ) (TBD) - Delta IV-H [D-385] - Canaveral SLC-37B - TBD 03:54 58 04:14 10 06 02
(launch about 4 minutes earlier/day)

Changes on September 25th
Changes on September 26th
Changes on September 27th
Changes on September 28th
Changes on September 29th
Changes on September 30th
Changes on October 1st
Changes on October 2nd
Changes on October 3rd
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 5, 2020 (~11:50 UTC)
Post by: SMS on 10/03/2020 08:35 am
https://twitter.com/TSKelso/status/1312309587094069249
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 5, 2020 (11:51 UTC)
Post by: FutureSpaceTourist on 10/03/2020 04:07 pm
L-2 forecast is 60% GO
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 5, 2020 (11:51 UTC)
Post by: FutureSpaceTourist on 10/04/2020 06:12 am
https://twitter.com/elonmusk/status/1312544132380778496

Edit to add: photo by Ben Cooper (@LaunchPhoto)
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 5, 2020 (11:51 UTC)
Post by: FutureSpaceTourist on 10/04/2020 01:25 pm
L-1 weather forecast still 60% GO
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 5, 2020 (11:51 UTC)
Post by: SpaceFinnOriginal on 10/04/2020 03:57 pm

Edit to add: photo by Ben Cooper (@LaunchPhoto)
Terrific photo!
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 5, 2020 (11:51 UTC)
Post by: SMS on 10/04/2020 06:47 pm
https://twitter.com/SpaceX/status/1312826277330649097
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 5, 2020 (11:51 UTC)
Post by: FutureSpaceTourist on 10/04/2020 08:49 pm
https://twitter.com/spacexfleet/status/1312857247622537219

Quote
Ms. Tree and Ms. Chief have just departed from the Port of Morehead City towards the Starlink fairing recovery zone!
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 5, 2020 (11:51 UTC)
Post by: Elthiryel on 10/04/2020 09:43 pm
Fan-made press kit with information from spacex.com/launches updated for October 5th.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 5, 2020 (11:51 UTC)
Post by: FutureSpaceTourist on 10/04/2020 09:56 pm
https://youtu.be/W0MGgQZIYNk
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 5, 2020 (11:51 UTC)
Post by: soltasto on 10/04/2020 10:12 pm
My version of the press kit too
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 5, 2020 (11:51 UTC)
Post by: marsbase on 10/04/2020 11:54 pm
https://youtu.be/W0MGgQZIYNk

Note that this webcast clock is off by 12 hours.  The flight is at 7:51 am tomorrow, not 7:51 pm.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC 39A : Oct. 5, 2020 (11:51 UTC)
Post by: igloz on 10/05/2020 03:59 am
Note that this webcast clock is off by 12 hours.
It's already corrected.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 5, 2020 (11:51 UTC)
Post by: FutureSpaceTourist on 10/05/2020 07:22 am
https://twitter.com/kyle_m_photo/status/1313015324766339074

Quote
Welcome back to the space coast @elonmusk, I hope you had a good flight.  #SpaceX #ElonMusk
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 5, 2020 (11:51 UTC)
Post by: FutureSpaceTourist on 10/05/2020 07:55 am
NSF Live link for later (about 3 hours time)

https://youtu.be/zQ8-udus05U
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 5, 2020 (11:51 UTC)
Post by: Steven Pietrobon on 10/05/2020 09:56 am
Looks like a lot of rain over the cape right now!
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 5, 2020 (11:51 UTC)
Post by: Steven Pietrobon on 10/05/2020 10:53 am
T-1 hour. The cape looks rather wet.

Credit 321 Launch YouTube livestream.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 5, 2020 (11:51 UTC)
Post by: FutureSpaceTourist on 10/05/2020 10:56 am
https://youtu.be/ClCK7hr24uE
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 5, 2020 (11:51 UTC)
Post by: Steven Pietrobon on 10/05/2020 11:01 am
T-50 minutes. View is a bit better.

Credit 321 Launch YouTube livestream.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 5, 2020 (11:51 UTC)
Post by: FutureSpaceTourist on 10/05/2020 11:07 am
https://twitter.com/emrekelly/status/1313069550737543170

Quote
Good morning from Kennedy Space Center, where weather's questionable for SpaceX's 0751 ET Falcon 9 / Starlink launch. Instantaneous window, so keep your fingers crossed for an opening.

https://twitter.com/cbs_spacenews/status/1313069714835410946

Quote
F9/Starlink13: Correction: Field mills no longer red; still red for cumulus cloud rule
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 5, 2020 (11:51 UTC)
Post by: Steven Pietrobon on 10/05/2020 11:13 am
T-38 minutes. The SpaceX Launch Director should be verifying go for propellant load about now.

Weather does not look at all good.

Credit 321 Launch YouTube livestream.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 5, 2020 (11:51 UTC)
Post by: Steven Pietrobon on 10/05/2020 11:15 am
Scrub! Weather violations. Setting up for a 24 hour turnaround.

Credit 321 Launch YouTube livestream.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 5, 2020 (11:51 UTC)
Post by: Steven Pietrobon on 10/05/2020 11:26 am
Next attempt on Tuesday, 6 October 11:29 UTC.

twitter.com/SpaceX/status/1313077784994930688

"We are standing down from today's Starlink mission due to weather violations on the Range. The team is setting up for a launch opportunity tomorrow at 7:29 a.m. EDT; weather forecast is 70% favorable for liftoff"
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 5, 2020 (11:51 UTC)
Post by: MATTBLAK on 10/05/2020 11:30 am
:D :(
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 5, 2020 (11:51 UTC)
Post by: Elthiryel on 10/05/2020 01:11 pm
The L-1 weather forecast for October 6th is 70% GO.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 5, 2020 (11:51 UTC)
Post by: Ken the Bin on 10/05/2020 01:28 pm
I receive an update from the NGA to add a new backup day.

Primary Day = Tuesday, October 6 at 11:29 UTC.
Backup Day = Wednesday, October 7 at ~11:08 UTC.

Quote from: NGA
051234Z OCT 20
NAVAREA IV 951/20(11,26).
WESTERN NORTH ATLANTIC.
FLORIDA.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
   061119Z TO 061227Z OCT, ALTERNATE
   071058Z TO 071205Z OCT
   IN AREAS BOUND BY:
   A. 28-39-11N 080-37-49W, 28-52-00N 080-25-00W,
      29-02-00N 080-12-00W, 29-00-00N 080-10-00W,
      28-50-00N 080-18-00W, 28-38-00N 080-29-00W,
      28-34-53N 080-34-27W, 28-38-28N 080-37-18W.
   B. 31-39-00N 077-20-00W, 33-15-00N 075-57-00W,
      33-40-00N 074-59-00W, 33-21-00N 074-25-00W,
      32-45-00N 074-32-00W, 31-25-00N 077-06-00W.
2. CANCEL NAVAREA IV 945/20.
3. CANCEL THIS MSG 071305Z OCT 20.

Referenced:
Quote from: NGA
022033Z OCT 20
NAVAREA IV 945/20(11,26).
WESTERN NORTH ATLANTIC.
FLORIDA.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
   051141Z TO 051259Z OCT, ALTERNATE
   061119Z TO 061227Z OCT
   IN AREAS BOUND BY:
   A. 28-39-11N 080-37-49W, 28-52-00N 080-25-00W,
      29-02-00N 080-12-00W, 29-00-00N 080-10-00W,
      28-50-00N 080-18-00W, 28-38-00N 080-29-00W,
      28-34-53N 080-34-27W, 28-38-28N 080-37-18W.
   B. 31-39-00N 077-20-00W, 33-15-00N 075-57-00W,
      33-40-00N 074-59-00W, 33-21-00N 074-25-00W,
      32-45-00N 074-32-00W, 31-25-00N 077-06-00W.
2. CANCEL NAVAREA IV 941/20.
3. CANCEL THIS MSG 061327Z OCT 20.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 5, 2020 (11:51 UTC)
Post by: capoman on 10/05/2020 02:46 pm
Does anyone recall so many scrubs of so many rockets at the Cape in such a short period of time?
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 5, 2020 (11:51 UTC)
Post by: RocketLover0119 on 10/05/2020 02:49 pm
I hate to have a mindset like this, but if one more scrub occurs and launch happens Wednesday, launch would be a few minutes before sunrise, making a twilight phenomenon.  ::)
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 5, 2020 (11:51 UTC)
Post by: Vettedrmr on 10/05/2020 03:10 pm
Does anyone recall so many scrubs of so many rockets at the Cape in such a short period of time?

Well, you would have to have this many rockets scheduled to fly in a compressed time to have the "opportunity" to have this may scrubs.  So, it's a good thing???  ???
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: ZachS09 on 10/05/2020 05:36 pm
Does anyone recall so many scrubs of so many rockets at the Cape in such a short period of time?

This may have been discussed already, but I believe STS-61-C is an example.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/05/2020 09:44 pm
https://twitter.com/tskelso/status/1313231733790109696

Quote
CelesTrak has updated pre-launch SupTLEs for the next #Starlink launch attempt on Oct 6 at 1129 UTC. Deployment of all 60 satellites is set for 12:31:04.350 UTC:
https://celestrak.com/NORAD/elements/supplemental/
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: soltasto on 10/05/2020 10:49 pm
For the fifth time, the captured "press kit" with OCR
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: kdhilliard on 10/06/2020 12:21 am
They are reusing Monday's webcast link (the "Live in" time is right), though it is currently "Unlisted".

https://www.youtube.com/watch?v=W0MGgQZIYNk

Edit: Less than two hours from launch and still unlisted.  Hey SpaceX, why have you been doing that lately?  It makes it hard for people to find your video directly on YouTube.
Edit2: Was de-unlisted about 40 minutes before launch.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: zubenelgenubi on 10/06/2020 03:19 am
Launchapalooza yeah?!
Launched:
№ – Date - Satellite(s) - Rocket - Launch Site - Time (UTC)

2020
October 3 - Cygnus NG-14 "Kalpana" (CRS-14) - Antares-230+ - MARS LP-0A - 01:16


Scheduled:
Date - Satellite(s) - Rocket - Launch Site - Time (UTC)

2020
September 27 28 October 1  2 3 5 6 - Starlink flight 13 (x60) [v1.0 L12] - Falcon 9-094 (B1058.3 S) - Kennedy LC-39A - 11:29 51 14:43 22 13:17 12:55 34
September 30 October 1 3 TBD - GPS III SV04 - Falcon 9 (B1062.1 S) - Canaveral SLC-40 - TBD 01:55 51 43
(15 minute launch window; launch about 4 minutes earlier/day)
September 26 27 28 29 30 October 1 TBD - NROL-44: Orion 10 (RIO 10, Mission 8306, Mentor 8 ) (TBD) - Delta IV-H [D-385] - Canaveral SLC-37B - TBD 04:14 10 06 02 03:58 54 
(launch about 4 minutes earlier/day)

Changes on September 25th
Changes on September 26th
Changes on September 27th
Changes on September 28th
Changes on September 29th
Changes on September 30th
Changes on October 1st
Changes on October 2nd
Changes on October 3rd
Changes on October 5th
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: smoliarm on 10/06/2020 05:53 am
The whole place is jinxed!
Hermione, look for a countercurse!
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/06/2020 10:03 am
NSF live in about 25 mins

https://youtu.be/IMWu-mspYuw
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 10:21 am
There's a big rainfall near the cape. If its heading north, there might be another scrub.

https://www.accuweather.com/en/us/cape-canaveral/32920/weather-radar/2230906
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 10:24 am
Its heading north!
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 10:31 am
Predicted location at time of launch, so weather might be OK.

T-58 minutes.

Credit 321 Launch YouTube livestream.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/06/2020 10:36 am
Weather better at the moment than yesterday

https://twitter.com/theresa35906612/status/1313427256711282692

Quote
beautiful #morning ... just one hour from now from SLC-39A #SpaceX will launch another Falcon9 for @elonmusk ‘s #Starlink mission. 📸📸theresacross @SpaceflightIns

Edit to add: not surprising given weather radar

https://twitter.com/cbs_spacenews/status/1313426132109320192

Quote
F9/Starlink13: Now 1 hour to launch; weather is now red for cumulus clouds
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 10:39 am
T-50 minutes. The storm is going north, but to the west of the cape.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 10:42 am
NSF coverage has started.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 10:50 am
T-40 minutes.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/06/2020 10:50 am
https://twitter.com/emrekelly/status/1313431296635482112

Quote
Range weather looking pretty green for Starlink liftoff from pad 39A in 40 minutes.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 10:52 am
T-38 minutes. The SpaceX Launch Director should be verifying go for propellant load about now.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/06/2020 10:53 am
https://youtu.be/oEHZawsN4BM
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 10:55 am
T-35 minutes. First and second stage RP-1 and first stage LOX loading should be starting about now.

Weather has turned green and propellant loading has started.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/06/2020 10:58 am
Beautiful sun rise
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/06/2020 10:59 am
https://twitter.com/spacex/status/1313433646284513281

Quote
T-30 minutes until Falcon 9 launches 60 Starlink satellites; webcast will go live ~15 minutes before liftoff
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:00 am
T-30 minutes.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:05 am
T-25 minutes.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:10 am
T-20 minute vent.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:14 am
T-16 minutes. Second stage LOX loading should be starting about now.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:15 am
Funky music has started!
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:18 am
T-12 minutes.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:20 am
T-10 minutes. SpaceX coverage has started. Tracking one item in weather.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:21 am
T-9 minutes.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:22 am
T-8 minutes. OCISLY waiting in position.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:23 am
T-7 minutes. Engine chill should be starting about now.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:24 am
Fairing catchers.

T-6 minutes. Watching the weather. Trending positive.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:25 am
T-5 minutes. Starlink working well in tests.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:26 am
T-4 minutes. Weather is go.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:27 am
T-3 minutes. Stage 1 LOX load closed out.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:28 am
T-2 minutes. Stage 2 LOX load closed out.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:29 am
T-1 minute. Falcon 9 is in startup.

LD is go for launch.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:30 am
Liftoff!
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/06/2020 11:30 am
https://twitter.com/spacex/status/1313441470754430977
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:31 am
T+1 minute.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Chris Bergin on 10/06/2020 11:32 am
https://twitter.com/NASASpaceflight/status/1313441603785195520
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:32 am
T+2 minutes.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:33 am
First stage separation.

T+3 minutes.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:34 am
Fairing separation.

T+4 minutes.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:35 am
T+5 minutes.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:36 am
T+6 minutes. First stage past apogee.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:37 am
Entry burn.

T+7 minutes.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:38 am
T+8 minutes.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Chris Bergin on 10/06/2020 11:39 am
https://twitter.com/NASASpaceflight/status/1313443664727879680
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:39 am
Touchdown!

SECO 1.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:40 am
T+10 minutes. Upcoming events.

00:42:26    2nd stage engine restarts (SES-2)
00:42:28    2nd stage engine cutoff (SECO-2)
01:01:24    Starlink satellites deploy
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/06/2020 11:41 am
Oh my ...

https://twitter.com/johnkrausphotos/status/1313444072124801024

Quote
Falcon sunrise.

📷: Me for @SuperclusterHQ

Edit to add: snap!

https://twitter.com/mike_seeley/status/1313446189820342273

Quote
Good morning, #Falcon9.

That's not a huge sunspot, it's the #SpaceX #Starlink launch.

(Pic: me / @WeReportSpace)
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:42 am
T+11 minutes.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:47 am
Expected LOS Finland.

AOS Goonhilly.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:50 am
T+20 minutes. Over Ireland.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:52 am
Bit of ice floating away at bottom right.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:55 am
Expected LOS Goonhilly.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 12:00 pm
T+30 minutes. Over the middle East.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 12:10 pm
T+40 minutes.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 12:11 pm
One minute to second ignition for 2 seconds.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 12:13 pm
Second ignition and cutoff. Good orbit.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 12:14 pm
First stage recovery.

Caught the active side of the fairing. Missed the passive side.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/06/2020 12:16 pm
https://twitter.com/spacex/status/1313452945615196160

Quote
Ms. Tree caught the fairing half that flew in support of two previous missions!
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 12:17 pm
A single frame of the LOX tank slipped through at Diego Garcia AOS. :-)
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 12:18 pm
Expected LOS Diego Garcia.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Chris Bergin on 10/06/2020 12:20 pm
https://twitter.com/NASASpaceflight/status/1313452852145278977
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 12:20 pm
T+50 minutes. Heading towards the Southern Ocean.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: LouScheffer on 10/06/2020 12:26 pm
SpaceX announced acquisition of signal from Diego Garcia.  How is that arranged?  Diego Garcia is a military base, and Starlink is purely commercial enterprise.  Is Diego Garcia a range asset, available for anyone to use?  Or does SpaceX pay the military for use?  Or the military is willing since they might contract with Starlink?
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 12:29 pm
AOS Tasmania.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 12:30 pm
One minute to separation.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 12:32 pm
Starlinks are away!
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 12:33 pm
"Happy end to Scrubtober."

End of webcast.

Congratulations to SpaceX for the successful launch!
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/06/2020 12:34 pm
https://twitter.com/spacex/status/1313457354277490688

Quote
Deployment of 60 Starlink satellites confirmed
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Chris Bergin on 10/06/2020 12:36 pm
Thanks for the play by play Steven!

https://twitter.com/NASASpaceflight/status/1313457140611395585

Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Vettedrmr on 10/06/2020 12:40 pm
"Happy end to Scrubtober."

End of webcast.

Congratulations to SpaceX for the successful launch!

Ditto on the Thanks!!!
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/06/2020 12:58 pm
https://twitter.com/elonmusk/status/1313462965778157569

Quote
Once these satellites reach their target position, we will be able to roll out a fairly wide public beta in northern US & hopefully southern Canada. Other countries to follow as soon as we receive regulatory approval.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: zubenelgenubi on 10/06/2020 01:01 pm
We'll have to try Launchapalooza another time soon.
Launched:
№ – Date - Satellite(s) - Rocket - Launch Site - Time (UTC)

2020
October 3 - Cygnus NG-14 "Kalpana Chawla" (CRS-14) - Antares-230+ - MARS LP-0A - 01:16
October 6 - Starlink flight 13 (x60) [v1.0 L12] - Falcon 9-094 (B1058.3 S) - Kennedy LC-39A - 11:29

Scheduled:
Date - Satellite(s) - Rocket - Launch Site - Time (UTC)

2020
September 30 October 1 3 TBD - GPS III SV04 - Falcon 9 (B1062.1 S) - Canaveral SLC-40 - TBD 01:55 51 43
(15 minute launch window; launch about 4 minutes earlier/day)
September 26 27 28 29 30 October 1 TBD - NROL-44: Orion 10 (RIO 10, Mission 8306, Mentor 8 ) (TBD) - Delta IV-H [D-385] - Canaveral SLC-37B - TBD 04:14 10 06 02 03:58 54 
(launch about 4 minutes earlier/day)

Changes on September 25th
Changes on September 26th
Changes on September 27th
Changes on September 28th
Changes on September 29th
Changes on September 30th
Changes on October 1st
Changes on October 2nd
Changes on October 3rd
Changes on October 5th
Changes on October 6th
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/06/2020 01:12 pm
https://twitter.com/spacex/status/1313466792233193472

Quote
Falcon 9 launches 60 Starlink satellites to orbit, completing SpaceX's 43rd flight of a previously flown rocket booster

Edit to add: photos by Ben Cooper
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Brian45 on 10/06/2020 01:17 pm
Hey Steven, saw the pix of the drone ship from the other drone ship. Do you know if the other drone ship caught video of the booster landing?
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/06/2020 02:37 pm
https://twitter.com/trevormahlmann/status/1313444693049475074

Quote
Scrubtober strikes back🚀
Falcon 9 B1058.3 lofting 60 Starlink satellites crossing directly in front of the Sun! Thanks @flightclubio 🚀

⚙️/⬇️/🖼: tmahlmann.com/photos/Rockets…

https://twitter.com/trevormahlmann/status/1313483837771583489

Quote
Closer crops of two of my favorite frames from the adventure to capture the Falcon 9 this morning in front of the Sun!☀️

(left)⚙️/⬇️/🖼: tmahlmann.com/photos/Rockets…
(right) ⚙️/⬇️/🖼: tmahlmann.com/photos/Rockets…
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: whitelancer64 on 10/06/2020 02:40 pm
SpaceX announced acquisition of signal from Diego Garcia.  How is that arranged?  Diego Garcia is a military base, and Starlink is purely commercial enterprise.  Is Diego Garcia a range asset, available for anyone to use?  Or does SpaceX pay the military for use?  Or the military is willing since they might contract with Starlink?

Aside from KSC, the whole Cape Canaveral launch range is run by the military. SpaceX (and several others) use it to launch rockets. US military assets like tracking radars and radio antennas are regularly used to support launches. The launch range includes downrange tracking assets.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: ugordan on 10/06/2020 02:46 pm
https://twitter.com/trevormahlmann/status/1313483837771583489

Quote
Closer crops of two of my favorite frames from the adventure to capture the Falcon 9 this morning in front of the Sun!☀️

Just look at those acoustic/shock waves rippling outward!
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: ugordan on 10/06/2020 04:26 pm
https://www.youtube.com/watch?v=fYcfSTK5K2c
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: billh on 10/06/2020 05:37 pm
Wow! Like a Schlieren photograph of the plume.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: LouScheffer on 10/06/2020 05:37 pm
On this mission, the acquisition of signal by Tasmania offers some clues as to how SpaceX telemetry is processed for display on the website.  Since this might pertain to more than this one mission, I added a post (https://forum.nasaspaceflight.com/index.php?topic=52048.msg2139818#msg2139818) in the SpaceX general discussion that addresses this issue.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/06/2020 05:59 pm
https://twitter.com/mdcainjr/status/1313525645905989632

Quote
Stunning launch this morning by @SpaceX!  Starlink-12 (L 13) launched on its 5th attempt.  B1058 flew for its 3rd time and successfully landed.  Congrats on your successful mission!

This is a 30 second exposure using a 10 stop ND filter.

#Starlink #RocketLaunch
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: SMS on 10/06/2020 06:47 pm
https://twitter.com/ken_kremer/status/1313546683800842246
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/06/2020 11:34 pm
Hey Steven, saw the pix of the drone ship from the other drone ship. Do you know if the other drone ship caught video of the booster landing?

It might have, but SpaceX has not released that video if it exists.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: OneSpeed on 10/06/2020 11:34 pm
Here is a comparison between the telemetry for Starlink V1.0 L9 and L12.

1. L9 and L12 are the two most recent Starlink launches to inject to an elliptical orbit at an altitude of 168km.
2. The L9 throttle bucket base is from 58s at 286m/s to 63s at 326m/s. Mach 1 is about 308m/s at that altitude, pretty much in the middle of the bucket.
3. The L12 throttle bucket base is earlier from 53s at 264m/s to 57s at only 281m/s, still subsonic. Throttle up completes at 61s and right on 308m/s, i.e. just as it goes supersonic.
4. The L12 S2 profile has no discernible throttle down mid burn (similar to the much earlier L3 launch), and hence SECO is some 6 seconds earlier than for L9.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: gongora on 10/07/2020 01:51 am
L9 went to a higher orbit than L12, close to 400km circular vs. around 270km circular.

https://twitter.com/TSKelso/status/1313656683487358976
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/07/2020 01:58 pm
https://twitter.com/elonmusk/status/1313840713075916818

Quote
One of the best shots ever!
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Vettedrmr on 10/07/2020 02:39 pm
Caught the active side of the fairing. Missed the passive side.

https://twitter.com/spacex/status/1313452945615196160

Quote
Ms. Tree caught the fairing half that flew in support of two previous missions!

What is the difference between the "active" and "passive" fairing halves?

Thanks, and have a good one,
Mike
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: RocketLover0119 on 10/07/2020 02:55 pm
Caught the active side of the fairing. Missed the passive side.

https://twitter.com/spacex/status/1313452945615196160

Quote
Ms. Tree caught the fairing half that flew in support of two previous missions!

What is the difference between the "active" and "passive" fairing halves?

Thanks, and have a good one,
Mike

Taking a rough stab at this, but i think its which one is leading in heading down range most, or its which one takes the most beating on entry. Probably not right, just a guess.

Edit: what I’m trying to get across in photo form.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: frederickm17 on 10/07/2020 02:58 pm
Caught the active side of the fairing. Missed the passive side.

https://twitter.com/spacex/status/1313452945615196160

Quote
Ms. Tree caught the fairing half that flew in support of two previous missions!

What is the difference between the "active" and "passive" fairing halves?

Thanks, and have a good one,
Mike

Taking a rough stab at this, but i think its which one is leading in heading down range most, or its which one takes the most beating on entry. Probably not right, just a guess.

I believe it is the fairing half with the mechanism that pushes the fairings apart on separation in flight (the one that does the pushing). Passive fairing half is the half that simply gets pushed away.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: eeergo on 10/07/2020 02:58 pm
Caught the active side of the fairing. Missed the passive side.


Quote
Ms. Tree caught the fairing half that flew in support of two previous missions!

What is the difference between the "active" and "passive" fairing halves?

Thanks, and have a good one,
Mike

Pneumatic separation mechanisms are in the active one.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: RocketLover0119 on 10/07/2020 03:01 pm
Caught the active side of the fairing. Missed the passive side.


Quote
Ms. Tree caught the fairing half that flew in support of two previous missions!

What is the difference between the "active" and "passive" fairing halves?

Thanks, and have a good one,
Mike

Pneumatic separation mechanisms are in the active one.

Ah! The joy of space flight, you get to learn something new every day!  :D
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Vettedrmr on 10/07/2020 03:04 pm
Thanks, that makes sense.  For some reason I thought they had actuators on both halves, but thinking about it that makes no sense at all.  Thanks for straightening me out.

Have a good one,
Mike
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/07/2020 07:54 pm
https://twitter.com/spacexfleet/status/1313913609521684486

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Starlink Return! The recovery fleet is well underway to Port Canaveral except for GO Quest, who has elected to resupply in North Carolina.

Ms. Tree / Ms. Chief are due to arrive 12:30 - 3:00am ET TONIGHT.

OCISLY and B1058 are due Thur evening or Friday morning. More to follow!
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/08/2020 07:13 am
https://twitter.com/spacexfleet/status/1314101198312673281

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Ms. Tree and Ms. Chief are now arriving at Port Canaveral!
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/08/2020 07:46 am
https://twitter.com/kyle_m_photo/status/1314109126360915968

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Ms. Chief is back in port and Ms. Tree isn't far behind. #SpaceXFleet #SpaceX

Edit to add:

https://twitter.com/kyle_m_photo/status/1314118220320854016

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And there is tree

https://twitter.com/kyle_m_photo/status/1314124525274046464

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After their long journey both Ms. Tree and Ms. Chief are back in Port Canaveral. #SpaceXFleet #SpaceX
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/08/2020 09:17 am
https://twitter.com/trevormahlmann/status/1314120325588811776

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Welcome home Ms. Tree and Ms. Chief! @SpaceX’s fairing catcher twins have returned with two fairing halves from the 13th Starlink mission. Ms. Tree’s caught via net and Chief’s plucked from the water after splashdown🚀 @SpaceXFleet

https://twitter.com/trevormahlmann/status/1314131218296967169

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Under a cloudless/starry sky, here's @SpaceX fairing catcher GO Ms. Tree arriving back at Port Canaveral with a fairing half from the thirteenth starlink mission this morning🚀
Managed to get this 1/6th of a second pic sharp!🙌🏼

⚙️/⬇️/🖼: tmahlmann.com/photos/Rockets…
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/08/2020 11:58 am
https://twitter.com/trevormahlmann/status/1314169284822732800

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Crane coming in to rig up Ms. Tree’s fairing half. This half has supported two previous Starlink missions and successfully landed in Tree’s net during the 13th Starlink mission🙌🏼

https://twitter.com/trevormahlmann/status/1314171553261727746
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/08/2020 01:30 pm
https://twitter.com/spacecoast_stve/status/1314193304939048962

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Both fairings have been lifted off the decks of the twins.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/08/2020 08:04 pm
https://twitter.com/gregscott_photo/status/1314222553284648963

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SpaceX Starlink 13 fairings head back into the hanger for recycling. Both fairings appear to be in very good condition, meaning we will most likely see them again on another mission. This is the beauty of #SpaceX & their ability to make space affordable. #NASA #Space #SpaceXFleet
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/08/2020 08:49 pm
https://twitter.com/kyle_m_photo/status/1314306341360537608

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B1058.3 and OCISLY are just offshore and will be returning to Port Canaveral shortly. #SpaceXFleet #SpaceX
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/08/2020 09:44 pm
NSF Live in about 25 mins

https://youtu.be/Iez4V57gm3k
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/08/2020 09:48 pm
https://twitter.com/kyle_m_photo/status/1314321243584319488
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Chris Bergin on 10/08/2020 10:04 pm
This is fun!

https://twitter.com/NASASpaceflight/status/1314325274721484801

https://twitter.com/nextspaceflight/status/1314325440169832448
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/08/2020 10:21 pm
https://twitter.com/kyle_m_photo/status/1314329702828572672

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OCISLY and B1058.3 are in the jetty. #SpaceXFleet #SpaceX
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/08/2020 10:29 pm
View, courtesy of Rusty's Seafood!
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Chris Bergin on 10/08/2020 10:30 pm
Oh yeah!

https://twitter.com/NASASpaceflight/status/1314332334225797124
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/08/2020 10:34 pm
https://twitter.com/trevormahlmann/status/1314331907665080320

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🚀#B1058.3🇺🇸

⚙️/⬇️/🖼: tmahlmann.com/photos/Rockets…
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Comga on 10/08/2020 10:36 pm
https://twitter.com/trevormahlmann/status/1314331907665080320 (https://twitter.com/trevormahlmann/status/1314331907665080320)

Quote
🚀#B1058.3🇺🇸

⚙️/⬇️/🖼: tmahlmann.com/photos/Rockets…

And this time we didn't have a landing bingo running...... :P
Does he say how or from where this image was taken?
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/08/2020 10:37 pm
Closeup of the legs.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/08/2020 10:39 pm
NSF crew!
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/08/2020 10:42 pm
Now passing to the left.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/08/2020 10:44 pm
Fleetcam Partner "Rusty's Seafood and Oyster Bar."

https://www.rustysseafood.com/
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/08/2020 10:45 pm
Sunset at the Cape.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/08/2020 10:55 pm
From last night, showing the fairing catchers coming in on Fleetcam.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/08/2020 10:56 pm
John Kraus from the same helicopter flight as Trevor Mahlmann’s earlier shot

https://twitter.com/johnkrausphotos/status/1314338409499025412

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Falcon 9 B1059.3 returns to Port Canaveral this evening aboard SpaceX’s “Of Course I Still Love You” droneship following its third successful launch and landing. 🚀🚁

📷: Me for @SuperclusterHQ

Edit to add:

https://twitter.com/johnkrausphotos/status/1314344864927174658
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/08/2020 10:59 pm
Zoom in on octograbber.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/08/2020 11:25 pm
At port side.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Steven Pietrobon on 10/09/2020 12:02 am
Ms.Tree and Ms.Chief.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/09/2020 01:36 pm
https://twitter.com/kyle_m_photo/status/1314558776972922883

Quote
The cap is attached to B1058.3 and the leg lifting lines are lowered. #SpaceXFleet #SpaceX
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/09/2020 03:10 pm
https://twitter.com/kyle_m_photo/status/1314579331260317696

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B1058.3 is in the air. #SpaceXFleet #SpaceX

https://twitter.com/kyle_m_photo/status/1314581787721584641

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Way up there now. #SpaceXFleet #SpaceX
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/09/2020 09:31 pm
Love this

https://twitter.com/johnpisaniphoto/status/1314678526075973638

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A golden hour return to port yesterday for this particular Falcon 9. Thrice flown and scorched from re-entry, yet still gleaming in the setting Space Coast sun.
@SpaceX #Falcon9 #Rocket @PortCanaveral #SpaceCoast
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Comga on 10/10/2020 03:51 am
Did anyone else notice the flash of LOC Cam in the webcast?
I’ve been missing the LOX Cam.
It’s such a neat detail and possibly unique to SpaceX among current launchers. 
The Saturn rockets  did this with ejectable film canisters, at least until they had to “strip down” to carry the LEM, and at least for kerosene and LH2 tanks.  https://youtu.be/Qqp-Ape3u6o (https://youtu.be/Qqp-Ape3u6o)
Has any other rocket done this?
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Arb on 10/10/2020 10:45 am
Did anyone else notice the flash of LOC Cam in the webcast?
...
Steven Pietrobon on launch day:
A single frame of the LOX tank slipped through at Diego Garcia AOS. :-)
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: LouScheffer on 10/10/2020 04:32 pm
A single frame of the LOX tank slipped through at Diego Garcia AOS. :-)
From this we can guess about how much margin is left, assuming the coast thrusters are scrunching the LOX down into the dome.  From the picture below, we can approximate the LOX dome as a portion of a sphere of 2.35 meter radius.   (the rocket is 3.7 meters and 762 pixels, circle is 1044 pixels).

Now how much volume is contained in a spherical bowl of radius R0, when filled up until the radius of the fluid surface is r?  A little high school calculus (proof left to the reader) shows that if d = sqrt(1-(r/R0)^2) then volume= (2/3-d+d^3/3)*pi*R0^3.  Then given the volume we can find the mass of LOX, at 1141 kg/m^3 (that's at boiling, it might be a little denser from sub-cooling).  Then we can find the remaining seconds of operation at full thrust (though the second stage normally seems to run at 70% thrust or so for orbital maneuvers).  Thrust = 981kN, ISP=348, so flow is 981000/9.801/348 = 287.6 kg/sec.  At a mixture ratio of 2.36 to 1, LOX accounts for 287.6*2.36/(2.36+1) = 202 kg/sec.

As a function of filled radius
pct of radius filled=    0.0%, depth(dipstick)= 0.000m vol=-0.000m^3 mass=  -0.0kg seconds left (FT)=-0.00
pct of radius filled=   10.0%, depth(dipstick)= 0.007m vol= 0.000m^3 mass=   0.4kg seconds left (FT)= 0.00
pct of radius filled=   20.0%, depth(dipstick)= 0.027m vol= 0.006m^3 mass=   6.7kg seconds left (FT)= 0.03
pct of radius filled=   30.0%, depth(dipstick)= 0.062m vol= 0.030m^3 mass=  34.2kg seconds left (FT)= 0.17
pct of radius filled=   40.0%, depth(dipstick)= 0.111m vol= 0.096m^3 mass= 109.4kg seconds left (FT)= 0.54
pct of radius filled=   50.0%, depth(dipstick)= 0.175m vol= 0.238m^3 mass= 271.8kg seconds left (FT)= 1.35
pct of radius filled=   60.0%, depth(dipstick)= 0.257m vol= 0.505m^3 mass= 576.5kg seconds left (FT)= 2.85
pct of radius filled=   70.0%, depth(dipstick)= 0.357m vol= 0.963m^3 mass=1098.8kg seconds left (FT)= 5.44
pct of radius filled=   80.0%, depth(dipstick)= 0.478m vol= 1.702m^3 mass=1942.0kg seconds left (FT)= 9.61
pct of radius filled=   90.0%, depth(dipstick)= 0.625m vol= 2.850m^3 mass=3251.8kg seconds left (FT)=16.10
pct of radius filled=  100.0%, depth(dipstick)= 0.804m vol= 4.596m^3 mass=5243.7kg seconds left (FT)=25.96

plus however much LOX is in the feeder pipe.

From the picture it looks like about 80% of the radius was filled with LOX, so they had about 9.6 seconds at full thrust, or maybe 13 seconds at the 70% thrust they seem to use for orbital maneuvers.  Should be plenty for the brief burp to circularize and then de-orbit.

The  first starlink launch LOX tank (https://www.teslarati.com/spacex-falcon-9-booster-record-fourth-launch-landing/starlink-1-v1-0-webcast-spacex-s2-seco-lox-tank-1/) looks much sketchier.  Although it's not centered, it looks like maybe 60% radius on the average, or 3 seconds of firing left in the tank.

Code in python, if anyone cares to check:

import math
flow = 981000/9.801/348 #981000 newtons, 348 ISP
mr = 2.36
lox = flow * mr/(1+mr)
print(f"LOX flow rate, kg/sec{lox:7.1f}")
r0 = 2.53
print("As a function of filled radius")
for i in range(11):
  fr = float(i)/10
  r = fr*1.85
  d = math.sqrt(1-(r/r0)**2)
  v = (2.0/3.0 - d + d**3/3) * math.pi *r0**3
  mass = v*1141
  seconds = mass/lox
  print(f"pct of radius filled={fr:8.1%}, depth(dipstick)={(1-d)*r0:6.3f}m vol={v:6.3f}m^3 mass={mass:6.1f}kg seconds left (FT)={seconds:5.2f}")


Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/10/2020 04:45 pm
https://twitter.com/nasaspaceflight/status/1314969190114250756

Quote
Starlink mission fairing offload from tarp to trailer... GO Ms. Tree and Ms. Chief deliver their catch right across from @RustysInThePort

Follow along for more full-quality @NASASpaceflight #Fleetcam video updates.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: CraigLieb on 10/10/2020 05:19 pm
https://twitter.com/trevormahlmann/status/1314331907665080320 (https://twitter.com/trevormahlmann/status/1314331907665080320)

Quote
🚀#B1058.3🇺🇸

⚙️/⬇️/🖼: tmahlmann.com/photos/Rockets…

And this time we didn't have a landing bingo running...... :P
Does he say how or from where this image was taken?

We could all agree to just use this as the image for the last bingo contest as the method of picking the winner to help us all move forward.  AND change the contest from now on to pick a winner based on the next launch with a viable image to use, rather than a specific launch only.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/11/2020 07:04 am
https://twitter.com/trevormahlmann/status/1315068725259894784

Quote
These two things were once traveling ~5,000 miles per hour in space, came back through the atmosphere, deployed parachutes, soft landed on/nearby some boats & now can be used again🤯 Absolutely mental.

⚙️/⬇️/🖼: tmahlmann.com/photos/Rockets…
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/13/2020 08:17 am
https://twitter.com/gregscott_photo/status/1315797351798317056

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SpaceX Starlink 13 - One, two, three & four, all legs up just before sunset today....still standing tonight but I assume it will be laid on the crawler tomorrow morning for transport back to the hanger for refurbishment for the next flight. #NASA #SpaceX #Space #SpaceXFleet
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/13/2020 08:15 pm
https://twitter.com/kyle_m_photo/status/1316109359672373254

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B1058.3 is off the stand and will be lowered horizontally onto it's transporter soon. #SpaceXFleet #SpaceX

https://twitter.com/kyle_m_photo/status/1316110321984167936

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It is tilt time. #SpaceXFleet #SpaceX
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: FutureSpaceTourist on 10/14/2020 02:21 pm
https://youtu.be/p5FJ00qXqdw
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: SMS on 10/14/2020 06:42 pm
https://twitter.com/TSKelso/status/1316445189393862659
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: gongora on 10/17/2020 06:16 pm
Second stage has been cataloged on Space-Track.

https://twitter.com/Skitt0608/status/1317511793103704067
Quote
@planet4589 46669 is the F9 2nd stage rocket body. The team forgot to put it in the list when we cataloged the last batch of sats/rods.

Inclination: 52.99  Apogee: 261km  Perigee: 238km

TLE
1 46669U 20070BS  20290.55527251  .00305404  56129-4  33254-3 0  9998
2 46669  52.9917  32.3428 0017156 329.8735  30.1310 16.08972984  2403
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: LouScheffer on 10/17/2020 07:23 pm
Second stage has been cataloged on Space-Track.
Quote
@planet4589 46669 is the F9 2nd stage rocket body. The team forgot to put it in the list when we cataloged the last batch of sats/rods.

Inclination: 52.99  Apogee: 261km  Perigee: 238km

TLE
1 46669U 20070BS  20290.55527251  .00305404  56129-4  33254-3 0  9998
2 46669  52.9917  32.3428 0017156 329.8735  30.1310 16.08972984  2403
So the second stage did not de-orbit?   It looked like it had the fuel to do so, or at least lower the perigee,  from the brief view of the LOX tank during coast.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: zubenelgenubi on 10/22/2020 02:33 am
https://twitter.com/planet4589/status/1318966780585512960
Quote
Meanwhile from the previous batch [Starlink 13 = Starlink v1.0 Fl. 12] Starlink-1744 appears to have recovered and is now orbit raising at the standard rate (magenta line).
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Chris Bergin on 10/27/2020 09:33 pm
This is great!

https://twitter.com/TheFavoritist/status/1321217084370669574

https://www.youtube.com/watch?v=bBMmdkO68Gk
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: cppetrie on 10/30/2020 01:24 pm
Second stage reentry predicted today, October 30.  Latest prediction is 14:00 UTC (9 AM Central Time) just east of Houston on an ascending track.  That'll change of course.

5-ish tonnes uncontrolled entry over the central U.S..  ...  But note that the last prediction was at 11:41 UTC, so the time and location could vary substantially.

 - Ed Kyle
How demiseable is the stage expected to be? Are large pieces expected to survive re-entry?
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Bob Shaw on 10/30/2020 02:36 pm
Roll on Starship, with all stages recoverable!
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Comga on 10/30/2020 05:33 pm
Second stage reentry predicted today, October 30.  Latest prediction is 14:00 UTC (9 AM Central Time) just east of Houston on an ascending track.  That'll change of course.

5-ish tonnes uncontrolled entry over the central U.S..  ...  But note that the last prediction was at 11:41 UTC, so the time and location could vary substantially.  The predicted window was 30 minutes long, which would be about one-third of an orbit.

 - Ed Kyle

From where are you getting that prediction?
The Satview (https://www.satview.org/?sat_id=46595U) tracking site shows it at 207 km altitude with a week to go before it decays
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: zubenelgenubi on 10/30/2020 09:14 pm
I've used this in the past: https://aerospace.org/reentries
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: soltasto on 10/31/2020 01:21 pm

Also renders these complaints moot, unless NASA now criticizes SpaceX for doing the same.
https://spacenews.com/bridenstine-criticizes-china-for-uncontrolled-rocket-reentry/

 - Ed Kyle

The scale of the objects is quite different. It would be like dropping the SLS core stage or an entire Starship. The Falcon 9 stage 2 is much smaller and is comparable to a satellite in mass.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Robotbeat on 10/31/2020 03:06 pm
Jonathan McDowell reports that "The Falcon 9 second stage from the Oct 6 Starlink launch reentered over Inner Mongolia at 1401 UTC Oct 30."
https://twitter.com/planet4589/status/1322349629183270913

42N   110.9E   53 deg   Ascending track 
Big open spaces out there.  If anything survived, China will find it....
I wonder about that. This stuff would be ITAR controlled under normal circumstances.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Vettedrmr on 10/31/2020 03:11 pm
Also renders these complaints moot, unless NASA now criticizes SpaceX for doing the same.
https://spacenews.com/bridenstine-criticizes-china-for-uncontrolled-rocket-reentry/

 - Ed Kyle

I disagree.  One was done intentionally, one was after a failure that was identified and (presumably) analyzed and any necessary changes made to subsequent 2nd stages.
Title: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Lars-J on 10/31/2020 03:26 pm
Roll on Starship, with all stages recoverable!

As long as everything works.  Keep in mind that this Falcon 9 second stage was supposed to have deorbited itself on launch day.

 - Ed Kyle
Never change, Ed. SpaceX makes the most effort of any launch provider to actively de-orbit their upper stages, but on the rare occasion it fails, you raise a stink about it. I’m sure you’ll manage to count it as a mission failure somehow or add another asterisk on your statistics. ;)
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Jeff Lerner on 10/31/2020 03:48 pm
Roll on Starship, with all stages recoverable!

As long as everything works.  Keep in mind that this Falcon 9 second stage was supposed to have deorbited itself on launch day.

 - Ed Kyle
Never change, Ed. SpaceX makes the most effort of any launch provider to actively de-orbit their upper stages, but on the rare occasion it fails, you raise a stink about it. I’m sure you’ll manage to count it as a mission failure somehow or add another asterisk on your statistics. ;)

With all due respect...has SpaceX ever failed to de-orbit an upper stage ??..also have they indicated  what the problem was ??...Spacex has just discovered a problem with several first stage engines that caused a slip to Crew 1...we don’t know what the problem was with this 2nd stage but we can’t discount this might also have an impact on the Crew 1 flight
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: anof on 10/31/2020 05:00 pm
Falcon 9 second stages re-enter uncontrolled from GTO missions. Once difference is the inclination of the orbit. The ground track of the Starlink orbit might go over more landmass vs a lower inclination GTO orbit.

There was some mention of not enough margin for the re-entry burn on reddit. The person also mentioned that it was a known risk that the burn might not occur.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Robotbeat on 10/31/2020 05:07 pm
The core stage of Long March 5 is *much* larger than the falcon 9 upper stage. Like 4 times as big.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: WannaWalnetto on 10/31/2020 09:39 pm
If I recall correctly, this was the only F9 second stage that didn’t either park itself in the GTO graveyard or have a controlled re-entry.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Comga on 10/31/2020 10:20 pm
Jonathan McDowell reports that "The Falcon 9 second stage from the Oct 6 Starlink launch reentered over Inner Mongolia at 1401 UTC Oct 30."
https://twitter.com/planet4589/status/1322349629183270913 (https://twitter.com/planet4589/status/1322349629183270913)

42N   110.9E   53 deg   Ascending track 
Big open spaces out there.  If anything survived, China will find it.

Also renders these complaints moot, unless NASA now criticizes SpaceX for doing the same.
https://spacenews.com/bridenstine-criticizes-china-for-uncontrolled-rocket-reentry/ (https://spacenews.com/bridenstine-criticizes-china-for-uncontrolled-rocket-reentry/)

 - Ed Kyle

Not necessarily
For one, it’s a much larger object
Quote
However, the rocket’s core stage, 31.7 meters long and 5 meters in diameter, was left in a low, uncontrolled orbit.

That core stage reentered at 11:33 a.m. Eastern May 11 off the coast of west Africa, according to the U.S. Space Force’s 18th Space Control Squadron. However, local reports suggest debris from that 20-ton stage appears to have survived reentry and landed in the African nation of Côte d’Ivoire, along the vehicle’s trajectory but more than 2,000 kilometers downrange from the reentry point. That debris included a pipe or conduit about 12 meters long.

For another, it’s a question of intent.
The Falcon 9 stage was IIRC intended for a controlled reentry but the Chinese rocket was not.

 
However, the “big open spaces out there” reminds me of the regrettable comment about Skylab reentering over Australia.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: Lars-J on 11/01/2020 04:26 am
Falcon 9 second stages re-enter uncontrolled from GTO missions. Once difference is the inclination of the orbit. The ground track of the Starlink orbit might go over more landmass vs a lower inclination GTO orbit.

There was some mention of not enough margin for the re-entry burn on reddit. The person also mentioned that it was a known risk that the burn might not occur.
True, the GTO missions do not have deorbit burns. But SpaceX really goes to great lengths to deorbit its 2nd stages for all LEO missions (more than you can say for almost all providers save possible ULA), which is why it irks me to see some posters put such a great emphasis on this failed deorbit burn. Yes, something happened but it will be addressed.

(This is similar to how people make a big deal of a failed S1 landing, yet make no mention when everyone else dunks its first stage into the ocean - yet again)
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: woods170 on 11/01/2020 11:02 am

Also renders these complaints moot, unless NASA now criticizes SpaceX for doing the same.
https://spacenews.com/bridenstine-criticizes-china-for-uncontrolled-rocket-reentry/

 - Ed Kyle

Bridenstine criticizing China was rather hypocritical given that NASA has been responsible for the single largest uncontrolled reentry event ever: Skylab.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: LouScheffer on 11/01/2020 12:33 pm

Never change, Ed. [...] I’m sure you’ll manage to count it as a mission failure somehow or add another asterisk on your statistics. ;)

Nah.  In my mind, I count as failures the Atlas V missions where the second stage exploded while in a high orbit that will not re-enter for millennia.  My logic is that passivation is a formal mission requirement, written into the contract, that the rocket did not fulfill.

But  Ed's opinion (https://forum.nasaspaceflight.com/index.php?topic=49964.msg2038829#msg2038829) is that the only part of the contract that counts is delivering the payload to the correct orbit.  To me, this seems like saying the only way to judge a company is by its return to shareholders - there should be no consideration of effect on society or the environment, even if these had been agreed to in advance in a formal contract.  This seems wrong to me, both on environmental grounds and as a matter of contract law, but as Ed will be the first to point out, opinions differ on these matters.
Title: Re: SpaceX F9 : Starlink v1.0 L12 : KSC LC-39A : October 6, 2020 (11:29 UTC)
Post by: su27k on 11/03/2020 10:40 am
Possible video of the reentry from Harbin, China:

https://twitter.com/ExySpear/status/1322666095925469184

Possible video of the reentry from Khabarovsk, Russia:

https://www.youtube.com/watch?v=N9xBBVjGbIg