NASASpaceFlight.com Forum
SpaceX Vehicles and Missions => SpaceX Falcon Missions Section => Topic started by: Jansen on 04/07/2021 05:06 pm
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Discussion thread for Starlink v1.0 Launch 27
NSF Threads for Starlink v1.0 L27: Discussion (https://forum.nasaspaceflight.com/index.php?topic=53524.0)
NSF Articles for Starlink v1.0 L27: https://www.nasaspaceflight.com/2021/05/historic-10th-falcon9-reflight/
Launched successfully on May 9, 2021 at 2:42am EDT (0642 UTC) on Falcon 9 (booster 1051.10) from CCSFS SLC-40. ASDS landing achieved on Just Read The Instructions, towed by tugboat Finn Falgout. Recovery support ship was GO Quest. Fairing recovery of both halves from the water was accomplished by MV Shelia Bordelon.
This will be the tenth flight of the Falcon 9 first stage rocket booster supporting this mission, which previously launched Crew Dragon’s first demonstration mission to the International Space Station, the RADARSAT Constellation Mission, SXM-7, and six Starlink missions. Following stage separation, SpaceX will land Falcon 9’s first stage on the “Just Read the Instructions” droneship, which will be located in the Atlantic Ocean. Both of Falcon 9’s fairing halves previously flew on the GPS III Space Vehicle 04 mission.
Payload: A batch of 60 Starlink satellites. Expected deployment orbit of approximately 284 x 259 km.
Please use the Starlink Discussion Thread (https://forum.nasaspaceflight.com/index.php?topic=48297.0) for all general discussion on Starlink.
Check the Starlink Index Thread (https://forum.nasaspaceflight.com/index.php?topic=48981.0) for links to more Starlink information.
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:
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 to near global coverage of the populated world by 2021. Additional information on the system can be found at starlink.com.
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0125-EX-ST-2021 (https://apps.fcc.gov/oetcf/els/reports/STA_Print.cfm?mode=current&application_seq=105205) Starlink RF Mission 4-2 STA application
0125-EX-ST-2021 (https://apps.fcc.gov/els/GetAtt.html?id=268181) Starlink RF Mission 4-2 Grant
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https://twitter.com/nextspaceflight/status/1389414599565271042
SpaceX is set to fly a Falcon booster for a record 10th time as early as Sunday.
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It seems that this mission 60 starlink satellites are launched, while the Starlink L26 could launch less since a shared mission is expected and this could be the indicator of why L27 will fly before L26
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It seems that this mission launched 60 starlink satellites, while the Starlink L26 could launch less since a shared mission is expected and this could be the indicator of why L27 flew before L26
I don't know if that is the case, but I had the same thought. Capella is still awaiting their launch license.
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That's right, they would be the two Capella 5, 6 capella space satellites and the PredaSAR 1 satellite of PredaSAR.
I don't know if SpaceX launches 60 satellites or less because the secondary payloads are satellites and not cubesats
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Capella's flight is going to a higher altitude, so there would need to be fewer Starlinks.
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That's right, they would be the two Capella 5, 6 capella space satellites and the PredaSAR 1 satellite of PredaSAR.
Why do you think PredaSAR is launching with Capella? I haven't seen anything about their launch plans (other than their first launch will be with SpaceX sometime).
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If I am honest, it is the information that is in wikipedia in the section of orbital flights of 2021, it is the third satellite that leaves, however they reckon that PredaSAR that this is not confirmed but that it would be launched in a shared mission
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The launch date would be 11 days since the last launch at SLC-40, and not a particularly fast turnaround.
However, it is 6 days from the day announced (May 3). That’s close to the theoretical minimum turnaround at the HIF.
So it’s possible this was a fastball decision to launch L27 ahead of L26.
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State of play on the Space Coast for the immediate future:
Scheduled:
Date - Satellite(s) - Rocket - Launch Site - Time (UTC)
2021
May 9 NET May - Starlink flight 27 28 (x60) [v1.0 L27] - Falcon 9-117 (1051.10 S) - Canaveral SLC-40 - 06:42:45
(Starlink: launch 20-22 minutes earlier/day)
May 15 Q2 April? mid - Starlink flight 28 27 (less than x60?), Capella 5 & 6? [v1.0 L26] - Falcon 9-118 (1058.8 S) - Kennedy LC-39A - 22:58
(Starlink: launch 20-22 minutes earlier/day)
May 17 - SBIRS-GEO 5 - Atlas V 421 - Canaveral SLC-41 - 17:35
NET May before SXM-8 launch campaign? - Starlink flight 29 (x60) [v1.0 L28] - Falcon 9 (S) - Canaveral SLC-40? / Kennedy LC-39A
(Starlink: launch 20-22 minutes earlier/day)
June 1 NET Q2 - SiriusXM SXM-8 - Falcon 9 (S) - Canaveral SLC-40 - 04:25
June 3 early June - Dragon v2 SpX-22 (CRS-22) - Falcon 9 (1067.1 S) - Kennedy LC-39A - ~17:00
(ISS flights: launch 22-26 minutes earlier/day)
Mid-June? - Starlink flight 30 (x60) [v1.0 L29]? - Falcon 9 (S) - Kennedy LC-39A? / Canaveral SLC-40
(Starlink: launch 20-22 minutes earlier/day)
June 17 July - GPS III SV05 - Falcon 9 (B1062.2 S) - Canaveral SLC-40 - 22:00-01:00 June 18
(GPS: launch about 4 minutes earlier/day)
June 23 - STP-3: STPSat-6, LDPE-1, small satellite (x6) - Atlas V 551 - Canaveral SLC-41
Changes on March 13th
Changes on March 16th
Changes on March 23rd
Changes on March 27th
Changes on March 31st
Changes on April 2nd
Changes on April 4th
Changes on April 7th
Changes on April 15th
Changes on April 16th
Changes on April 19th
Changes on May 4th
Changes on May 6th
Changes on May 9th
zubenelgenubi
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[email protected]
3:57 PM (12 minutes ago)
to NAVSAFETY1
041946Z MAY 21
NAVAREA IV 367/21(11,26).
WESTERN NORTH ATLANTIC.
FLORIDA.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
090542Z TO 090821Z MAY, ALTERNATE
100521Z TO 100809Z MAY
IN AREAS BOUND BY:
A. 28-39-29N 080-38-01W, 29-31-00N 079-43-00W,
29-25-00N 079-32-00W, 28-33-00N 080-24-00W,
28-30-34N 080-33-04W.
B. 31-27-00N 077-29-00W, 33-17-00N 076-03-00W,
33-31-00N 074-59-00W, 33-10-00N 074-36-00W,
32-27-00N 074-46-00W, 31-15-00N 077-17-00W.
2. CANCEL THIS MSG 100909Z MAY 21.
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With respect to Starlink L26, the PredaSAR load no longer appears where I had consulted it, so only the two capella space satellites would be launched. send a communication to PredaSAR to know more about your payload and I am still waiting for the answer. It would be good to know more about the current state of this satellite. ;)
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Here is the Space Debris notice that goes along with the Rocket Launching notice posted by gongora.
042006Z MAY 21
HYDROPAC 1351/21(61,75,76).
SOUTHEASTERN INDIAN OCEAN.
DNC 03, DNC 04, DNC 05.
1. HAZARDOUS OPERATIONS, SPACE DEBRIS
090753Z TO 091006Z MAY, ALTERNATE
100732Z TO 100954Z MAY
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 THIS MSG 101054Z MAY 21.
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https://spaceflightnow.com/2021/05/04/starlink-launch-marks-100-straight-missions-since-an-in-flight-falcon-rocket-failure/
Launch is scheduled for 06:42 UTC (2:42 AM EDT) on May 9th.
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TFRs for both primary and backup days have been posted.
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https://twitter.com/spacexfleet/status/1389966279524720640
Departure! JRTI droneship is outbound for another Starlink mission, passing by the booster she brought back only a few days ago....
Live via NSF Fleetcam: youtu.be/gnt2wZBg89g
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https://twitter.com/Raul74Cz/status/1389977617760145409
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L-3 launch weather forecast is 80% GO
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https://twitter.com/TSKelso/status/1390525835392679938
Using pre-launch state vectors provided by @SpaceX, CelesTrak has SupTLEs for the #Starlink V1.0-27 (not a typo) launch which is set for 2021-05-09 06:42 UTC. Deployment of 60 satellites is scheduled to occur at 07:46:35.820 UTC: https://celestrak.com/NORAD/elements/supplemental/.
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No major changes, still 80% GO with low additional risks
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twitter.com/SpaceX/status/1390843232330817539
Targeting Sunday, May 9 at 2:42 a.m. EDT for launch of 60 Starlink satellites from Space Launch Complex 40 in Florida
→ http://spacex.com/launches
https://twitter.com/SpaceX/status/1390843242753662977
This will be the tenth flight for the Falcon 9 first stage rocket booster supporting this mission
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https://www.spacex.com/launches/ (https://www.spacex.com/launches/)
SpaceX is targeting Sunday, May 9 for launch of 60 Starlink satellites from Space Launch Complex 40 (SLC-40) at Cape Canaveral Space Force Station in Florida. The instantaneous window is at 2:42 a.m. EDT, or 6:42 UTC, and a backup opportunity is available on Monday, May 10 at 2:21 a.m. EDT, or 6:21 UTC.
This will be the tenth flight of the Falcon 9 first stage rocket booster supporting this mission, which previously launched Crew Dragon’s first demonstration mission to the International Space Station, the RADARSAT Constellation Mission, SXM-7, and six Starlink missions. Following stage separation, SpaceX will land Falcon 9’s first stage on the “Just Read the Instructions” droneship, which will be located in the Atlantic Ocean. Both of Falcon 9’s fairing halves previously flew on the GPS III Space Vehicle 04 mission.
A live webcast of this mission will begin about 15 minutes prior to liftoff.
https://www.youtube.com/watch?v=J71s2KmkSrc (https://www.youtube.com/watch?v=J71s2KmkSrc)
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"Press kit" capture with OCR
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Actual T0 should be at 06:42:45 UTC, again doing the math with T.S. Kelso’s Starlink deployment time estimate.
07:46:36 UTC minus the mission duration (1 hour, 3 minutes, 51 seconds) is 06:42:45 UTC.
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Actual T0 should be at 06:42:45 UTC, again doing the math with T.S. Kelso’s Starlink deployment time estimate.
07:46:36 UTC minus the mission duration (1 hour, 3 minutes, 51 seconds) is 06:42:45 UTC.
SpaceX should be publishing such data at its page like Roscosmos now!
I made such maths at the previous launch at: https://forum.nasaspaceflight.com/index.php?topic=53331.msg2232191#msg2232191
but there was no official confirmation of this exact time by independent sources! :(
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L-1 launch weather forecast, no real change, still 80% GO & low risks
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Visual mission profile by ElonX.net
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https://twitter.com/ncspaceops/status/1391052689317011456
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https://twitter.com/SpaceXFleet/status/1391055090367279107
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https://twitter.com/chrisg_nsf/status/1391145041964449799
#SpaceX is set for the milestone 10th flight of a #Falcon9 booster tonight at 02:42 EDT/06:42 UTC to take 60 #Starlinks to the near-complete 1st orbital shell.
From Trevor Sesnic (@124970MeV), Colin Fletcher (@c_fletcher22), & Lee Kanayama (@Falcon_1e)⬇️
https://www.nasaspaceflight.com/2021/05/historic-10th-falcon9-reflight/
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Several photographers have set remotes for this flight, so hopefully lots of great shots to come:
https://twitter.com/star_shattered/status/1391152101955457028
#SpaceX #Falcon9 B1051-10 awaits its 10th flight for early morning #Starlink launch!
https://twitter.com/therealjonvh/status/1391151908841304066
#Falcon9 B1051-10 awaiting lift off. Our first time out for a #Starlink remote set up in quite some time. #SpaceX will be lighting up the Space Coast sky tomorrow early morning.
Edit to add:
https://twitter.com/kyle_m_photo/status/1391166253520330754
Not just a dirty booster, but dirty fairings too! #SpaceX #Falcon9
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https://twitter.com/TSKelso/status/1390525835392679938
Using pre-launch state vectors provided by @SpaceX, CelesTrak has SupTLEs for the #Starlink V1.0-27 (not a typo) launch ...
OK. What happened to V1.0-L26?
- Ed Kyle
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OK. What happened to V1.0-L26?
- Ed Kyle
https://forum.nasaspaceflight.com/index.php?topic=53414.0
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OK. What happened to V1.0-L26?
- Ed Kyle
Out of order, and we don't really know for sure why.
L26 (https://forum.nasaspaceflight.com/index.php?topic=53414.0) is expected to launch next Saturday, 2020-05-15, at 18:58 EDT / 22:58 UTC, and it is suspected to be a rideshare mission, possibly with Capella 5&6 SAR sats.
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twitter.com/spacecoast_stve/status/1391167137943891973
All hail the Falcon 9 life leader!
At 2:42am EDT, Falcon 9 B1051 will liftoff on its 10th mission, carrying more Starlink satellites. SpaceX has been pushing toward this milestone for a long time. It feels almost as big as landing one for the first time!
https://www.nasaspaceflight.com/2021/05/historic-10th-falcon9-reflight/
https://twitter.com/spacecoast_stve/status/1391167157535379456
Take a closer look at the leader of the pack. Ohhh, if boosters could talk!
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https://m.youtube.com/watch?v=v7bL5xV8-Ys
Coverage starts at 2am (0600 UTC).
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https://m.youtube.com/watch?v=v7bL5xV8-Ys
NSF live coverage has begun
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https://m.youtube.com/watch?v=tvm_ioe5Cko
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SpaceX Launch Director verifies go for propellant load
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Auto sequence has begun, prop load initiated
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T-20 venting
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https://youtu.be/J71s2KmkSrc
SpaceX coverage has begun, with Michael Andrews hosting
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TE retracted, 1st stage prop load complete
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Liftoff!
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https://twitter.com/NASASpaceflight/status/1391282819914215426
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https://twitter.com/SpaceX/status/1391282789635411970
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MECO
Stage separation
Fairing separation
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Entry burn
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Stuck the landing
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Coverage resumes at T+44 mins
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https://twitter.com/NASASpaceflight/status/1391284955582537728
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https://twitter.com/SpaceX/status/1391285279630053377
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Visibility of 2nd stage in central FL through T+7:00, but not as clear as previous Starlink night launch, no visibility of 1st stage reentry burn.
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https://twitter.com/julia_bergeron/status/1391288630312849408
SpaceX just launched B1051 for the tenth time! It was a beautiful night for a Starlink launch and, yes, a landing on JRTI downrange. My view of the launch from the Titusville Marina where dolphins were playing. (Yes, I believe in lucky dolphins.)
Article: nasaspaceflight.com/2021/05/histor…
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https://twitter.com/ncspaceops/status/1391282510986989569
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NO confirmation of SES-2 or orbital insertion.
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twitter.com/johnkrausphotos/status/1391291534922944512
A shot I’ve dreamt of capturing for years: Falcon 9 B1051 streaks under the Milky Way on its record-breaking tenth flight to space.
60 Starlink satellites hitched a ride to orbit during this morning’s 2:42am launch.
https://twitter.com/johnkrausphotos/status/1391292097496592385
This image is comprised of a seven-frame panorama captured in the minutes leading up to the launch, and a single frame of the launch itself.
All taken with the same camera and lens in the same spot, accurately portraying the sky as it was at liftoff.
johnkrausphotos.com
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Michael Andrews looked a bit concerned but tried to hide it. No video signal, and no confirmation before telemetry LOS.
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Michael Andrews looked a bit concerned but tried to hide it. No video signal, and no confirmation before telemetry LOS.
But on screen Tele-m shows right numbers for successful burn? (When comparing previous Starlinks ses-2s)
(Ohh no, Craftyatom is the popular and louder kid ; P )
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I believe it was an expected LOS, so no reason to panic. At least the people at Hawthorne don’t seem to be.
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At T+46:49 the map jumped to the location from around T+23.
Edit: jumped back to correct location at T+58:51
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NO confirmation of SES-2 or orbital insertion.
Worth noting that the displayed telemetry showed speed increasing by 121 km/h over about a second, around the time SES-2 was expected. This is exactly the same as was seen on the Starlink v1.0 L25 launch stream.
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AOS Tasmania
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Video of 2nd stage is on the feed, but still no word on orbit.
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Speed and altitude are very similar to the previous Starlink mission with the same time elapsed, so most likely it's a good orbit.
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https://twitter.com/nasaspaceflight/status/1391297339109806083
https://twitter.com/nasaspaceflight/status/1391297816824328196
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Confirmation of SES-2 and good orbit
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https://twitter.com/spacex/status/1391298872895414272
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Payload deployed
Looks more separated than usual
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Host signs off by thanking mothers, in reference to Mother's Day, which is observed on May 9th this year (second Sunday of May) in the U.S. and many other countries.
(I say that specifically because my U.K. and U.S. relatives sometimes confuse each other by observing it on different days.)
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Payload deployed
Looks more separated than usual
I haven't tried to estimate angular speed before payload sep so it might be just me but looked like somewhat faster than before. That could explain more separation.
That said, its not always easy to estimate when sep is at night or otherwise lacking points of reference - in this case we had sun in view.
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Archived mission video from Space X:
https://youtu.be/J71s2KmkSrc
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SpaceX launch photos from website
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Note that this was the first orbital launch webcast in 4K. Very smooth. Good job, SpaceX.
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So how do they get telemetry showing the speed increase during the burn but not know if the burn happened and if orbit insertion was good until later?
Was there a disconnect between the control room and the broadcast host? Also no announcement on the net, despite apparently live telemetry? Just odd any way you slice it.
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So how do they get telemetry showing the speed increase during the burn but not know if the burn happened and if orbit insertion was good until later?
Was there a disconnect between the control room and the broadcast host? Also no announcement on the net, despite apparently live telemetry? Just odd any way you slice it.
I don't think so actually, I saw the jump when they got telemetry again. Guessing the burn didn't actually complete until after telemetry was lost. Note 26893/265 is stuck on the frame for quite some time (these sound like pre-burn numbers) starting T+46:50ish and then the correct ones show up again around T+58:50. You see similar behavior in previous webcasts so I'm thinking SES-2 tends to happen close to the edge of one of the ground station coverage areas. Just a matter of whether or not enough data gets recovered in the final few packets to know it's good. I'm sure the sudden acceleration messes a bit with tracking the signal as well.
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<snip>You see similar behavior in previous webcasts so I'm thinking SES-2 tends to happen close to the edge of one of the ground station coverage areas. Just a matter of whether or not enough data gets recovered in the final few packets to know it's good. I'm sure the sudden acceleration messes a bit with tracking the signal as well.
yah thats usually right on the edge of Diego Garcia LOS, and then AOS Tasmania 10 minutes later
zubenelgenubi: Fixed quote.
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https://twitter.com/TSKelso/status/1391482231714050048
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https://twitter.com/johnkrausphotos/status/1391380539035242499
𝙏𝙀𝙉 𝙁𝙇𝙄𝙂𝙃𝙏𝙎
Nine Merlin 1D engines power Falcon 9 B1051 to space this morning for its record-breaking tenth flight
https://twitter.com/rdanglephoto/status/1391424417616568320
Lift off of B1051 on its tenth flight to deliver another batch of #Starlink satellites to orbit! Curious to see how many flights #SpaceX can get out of this #Falcon9!
Covered for @Teslarati
https://twitter.com/star_shattered/status/1391406281659981829
Sunday morning 2:42AM EDT #SpaceX Successfully Launched and landed their #Falcon9 booster B1051-10 for the 10th time! An incredible milestone for reusability! #Starlink
📷:Me for @gospacelaunch
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https://twitter.com/julia_bergeron/status/1391767726331502594
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I didn't see mentioned the more-than-usual flames coming from the booster after landing, followed by a quick view of the fire suppression system on the ADS at T+10:09. This might be nominal, but I'm not sure?
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I didn't see mentioned the more-than-usual flames coming from the booster after landing, followed by a quick view of the fire suppression system on the ADS at T+10:09. This might be nominal, but I'm not sure?
Yeah, also noticed that. On the early landings, flames after landing were quite typical, but haven't seen them lately. Nothing much to worry about, I guess.
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https://twitter.com/SpaceXFleet/status/1391879069684350978
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https://twitter.com/SpaceXFleet/status/1391881080760938507
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https://twitter.com/spacex/status/1391895231310618625
First Falcon 9 first stage to complete 10 launches and landings
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Shelia Bordelon has arrived at Port Canaveral this morning with two fairing halves from the latest Starlink launch!
https://twitter.com/SpaceXFleet/status/1392089292189601793
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https://twitter.com/GregScott_photo/status/1392111800615903237
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https://mobile.twitter.com/SpaceXFleet/status/1392249679816101892
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https://twitter.com/spacecoast_stve/status/1392507301727244288
Port stalkers assemble! Booster incoming!
With Finn’s tracker in stealth mode, I had to perform some visual reconnaissance. I may not be out there because work, so follow @julia_bergeron and all the others for arrival.
Watch on Fleetcam: youtu.be/gnt2wZBg89g
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https://twitter.com/therealjonvh/status/1392545143891365888
Soon, #Falcon9 B1051-10 will be entering the Port Canaveral channel. Look at that scorch and soot!
#SpaceX #SpaceXFleet #Starlink
📷: me for @gospacelaunch
Oooh, aerial shots incoming!
https://twitter.com/julia_bergeron/status/1392548066666946565
Mandatory selfie with B1051-10
Welcome home Just Read the Instructions and Finn Falgout! Thank you @FarryFaz for making this possible for such a historic return!
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https://twitter.com/julia_bergeron/status/1392556522354446339
Coming home:
More views of Finn Falgout towing Just Read the Instructions and B1051-10 into Port Canaveral. I couldn't have asked for a better day to fly with a friend.
Mission article: nasaspaceflight.com/2021/05/histor…
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https://twitter.com/nasaspaceflight/status/1392562121708294148
Falcon 9 Fleet Leader B1051-10 has returned to Port Canaveral.
This booster and Octagrabber are already firm friends.
Humans for scale.
➡️youtube.com/watch?v=gnt2wZ…
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https://twitter.com/johnkrausphotos/status/1392566861624135685
Falcon 9 B1051 returns to Port Canaveral.
Ten flights in the books.
https://twitter.com/spacexfleet/status/1392566467611316236
10X crispy/sooty 😍 #SpaceX #Falcon9
Edit to add:
https://twitter.com/johnkrausphotos/status/1392567579668013057
Falcon 9 B1051 returns to Port Canaveral on a stormy Florida afternoon. Ten flights in the books, probably safe to say it's ready for more.
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https://twitter.com/mike_seeley/status/1392667086489587713
#SpaceX #Falcon9 booster B1051-10 at twlight: launched & landed, launched & landed, launched & landed, launched & landed, launched & landed, launched & landed, launched & landed, launched & landed, launched & landed, launched & landed
(📷:me / @WeReportSpace)
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Having some fun with B1051-10 in Prisma.
https://twitter.com/julia_bergeron/status/1392648208426455043
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B1051 went horizontal onto the transporter
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https://twitter.com/FarryFaz/status/1393337977238134785
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https://twitter.com/FarryFaz/status/1393337977238134785
1049.9 also had legs removed (per your previous tweets) maybe some age related testing going on?
John
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https://twitter.com/TSKelso/status/1394810905196597252