Author Topic: SpaceX F9 : Starlink group 4-29 : VSFB SLC-4E : 5 October 2022 (23:10 UTC)  (Read 26159 times)

Offline SPKirsch

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Thread for the Starlink 4-29 group launch.

NSF Threads for Starlink 4-29: Discussion

Launch October 5, 2022 at 4:10pm PDT (23:10 UTC), from Vandenberg SLC-4E, on booster 1071-5.  First stage successfully landed aboard Of Course I Still Love You.

Payload 52 Starlink satellites to 53.2 degree inclination on a southeastern trajectory.  Initial orbit of approximately 230 x 335 km?

Starlink v1.5 satellite mass is now about 300kg after the addition of laser ISL terminals.

Please use the Starlink Discussion Thread for all general discussion on Starlink.

Check the Starlink Index Thread for links to more Starlink information.



L2 SpaceX: https://forum.nasaspaceflight.com/index.php?board=60.0
« Last Edit: 10/06/2022 08:27 am by SPKirsch »

Offline SPKirsch

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Cross-post:
1496-EX-ST-2022
Mission 1791 Starlink Group 4-29 from SLC-4E, Vandenberg
NET late September
ASDS North  29  47  54   West  116  40  39

Operations start NET September 25.

Online zubenelgenubi

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Cross-post:
1496-EX-ST-2022
Mission 1791 Starlink Group 4-29 from SLC-4E, Vandenberg
NET late September
ASDS North  29  47  54   West  116  40  39

Operations start NET September 25.
If the current schedule holds, this launch will be NET October.
SFN SpaceX closes out quartet of Starlink launches from Vandenberg, August 31:
Quote
The next Falcon 9 launch from Vandenberg is scheduled for late September carrying a tranche of small demonstration satellites for the U.S. military’s Space Development Agency, which is developing a constellation of missile tracking and data relay spacecraft.
« Last Edit: 09/01/2022 06:15 pm by zubenelgenubi »
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Offline SPKirsch

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After
https://spacenews.com/space-development-agencys-first-launch-slips-due-to-supply-chain-setbacks/

Quote
Space Development Agency’s first launch slips due to supply chain setbacks
by Sandra Erwin — September 14, 2022

SDA's second batch of Tranche 0 is still on track to launch in March

WASHINGTON — The first launch of the Space Development Agency’s low Earth orbit satellites that had been scheduled for late September is slipping to no earlier than mid-December.

late September for this launch is still in play.

Online zubenelgenubi

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After
https://spacenews.com/space-development-agencys-first-launch-slips-due-to-supply-chain-setbacks/

Quote
Space Development Agency’s first launch slips due to supply chain setbacks
by Sandra Erwin — September 14, 2022

SDA's second batch of Tranche 0 is still on track to launch in March

WASHINGTON — The first launch of the Space Development Agency’s low Earth orbit satellites that had been scheduled for late September is slipping to no earlier than mid-December.

late September for this launch is still in play.

Now obsolete September 13 update from SFN Launch Schedule:
October launch.
Support your local planetarium! (COVID-panic and forward: Now more than ever.) My current avatar is saying "i wants to go uppies!" Yes, there are God-given rights. Do you wish to gainsay the Declaration of Independence?

Online zubenelgenubi

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After
https://spacenews.com/space-development-agencys-first-launch-slips-due-to-supply-chain-setbacks/

Quote
Space Development Agency’s first launch slips due to supply chain setbacks
by Sandra Erwin — September 14, 2022

SDA's second batch of Tranche 0 is still on track to launch in March

WASHINGTON — The first launch of the Space Development Agency’s low Earth orbit satellites that had been scheduled for late September is slipping to no earlier than mid-December.

late September for this launch is still in play.

Now obsolete September 13 update from SFN Launch Schedule:
October launch.

NextSpaceFlight, updated September 22:
Launch NET October.
First stage is 1071.5.
« Last Edit: 09/26/2022 03:07 am by zubenelgenubi »
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Offline Ken the Bin

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October 3 per this NGA generic Hazardous Operations notice that should actually be a Rocket Launching notice.

Quote from: NGA
272122Z SEP 22
NAVAREA XII 722/22(18,21).
EASTERN NORTH PACIFIC.
CALIFORNIA.
MEXICO.
1. HAZARDOUS OPERATIONS:
   A. 032321Z TO 040049Z OCT, ALTERNATE
      042300Z TO 050028Z AND
      052238Z TO 060006Z OCT IN AREA BOUND BY
      34-40.00N 120-39.00W, 34-40.00N 120-25.00W,
      34-06.00N 119-57.00W, 33-30.00N 119-33.00W,
      33-30.00N 119-44.00W, 33-50.00N 120-00.00W,
      34-25.00N 120-33.00W.
   B. 032321Z TO 040050Z OCT, ALTERNATE
      042300Z TO 050029Z AND
      052238Z TO 060007Z OCT IN AREA BOUND BY
      30-41.00N 117-19.00W, 30-18.00N 116-42.00W,
      29-23.00N 116-14.00W, 29-17.00N 116-24.00W,
      29-58.00N 117-07.00W.
2. CANCEL THIS MSG 060107Z OCT 22.//

Online OneSpeed

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October 3 per this NGA generic Hazardous Operations notice that should actually be a Rocket Launching notice.

Map from the NGA Hazardous Operations notice that should actually be a Rocket Launching notice. ASDS 652km downrange.

Edit: Added area A coordinate.
« Last Edit: 09/28/2022 11:51 pm by OneSpeed »

Offline Ken the Bin

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Cancel-and-replace NGA notice with an additional coordinate location in A.

Quote from: NGA
281822Z SEP 22
NAVAREA XII 723/22(18,21).
EASTERN NORTH PACIFIC.
CALIFORNIA.
MEXICO.
1. HAZARDOUS OPERATIONS:
   A. 032321Z TO 040049Z OCT, ALTERNATE
      042300Z TO 050028Z AND
      052238Z TO 060006Z OCT IN AREA BOUND BY
      34-40.00N 120-39.00W, 34-40.00N 120-25.00W,
      34-06.00N 119-57.00W, 33-30.00N 119-33.00W,
      33-30.00N 119-44.00W, 33-50.00N 120-00.00W,
      34-25.00N 120-33.00W, 34-34.00N 120-39.00W.
   B. 032321Z TO 040050Z OCT, ALTERNATE
      042300Z TO 050029Z AND
      052238Z TO 060007Z OCT IN AREA BOUND BY
      30-41.00N 117-19.00W, 30-18.00N 116-42.00W,
      29-23.00N 116-14.00W, 29-17.00N 116-24.00W,
      29-58.00N 117-07.00W.
2. CANCEL NAVAREA XII 722/22.
3. CANCEL THIS MSG 060107Z OCT 22.

Offline Rondaz

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LHA map for #Starlink Group 4-29 from VSFB SLC-4E NET 03 Oct 23:21 UTC, alternatively 04 to 05 Oct based on issued NOTAM/NOTMARs. B1071.5 landing 653 km downrange. Estimated fairing recovery ~665km downrange. Stage2 debris reentry in eastern Pacific.

https://twitter.com/Raul74Cz/status/1575577904464789505

Online gongora

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https://www.spacex.com/launches/sl4-29/
Quote
SpaceX is targeting Monday, October 3 for a Falcon 9 launch of 52 Starlink satellites to low-Earth orbit from Space Launch Complex 4E (SLC-4E) at Vandenberg Space Force Base in California. The instantaneous launch window is at 4:56 p.m. PT (23:56 UTC), and a backup opportunity is available on Tuesday, October 4 at 4:35 p.m. PT (23:35 UTC).

The first stage booster supporting this mission previously launched NROL-87, NROL-85, SARah-1, and one Starlink mission. Following stage separation, the first stage will land on the Of Course I Still Love You droneship, which will be stationed in the Pacific Ocean.

A live webcast of this mission will begin about five minutes prior to liftoff.

Offline Rondaz

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Of Course I Still Love You droneship is about to depart the Port of Long Beach to support Starlink 4-29 from VSFB.

Tug Scorpius will tow OCISLY ~650 km downrange.

https://twitter.com/SpaceOffshore/status/1576002288480669697

Offline Rondaz

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Targeting Monday, October 3 for a Falcon 9 launch of 52 Starlink satellites to low-Earth orbit from SLC-4E in California..

https://twitter.com/SpaceX/status/1575990936089153536

Online FutureSpaceTourist

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Offline soltasto

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"Press kit" capture with OCR

Offline Rondaz

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Upcoming 30th #Starlink launch of this year via #SpaceX's #Falcon9 vehicle..

Booster supporting this mission..

https://twitter.com/_rykllan/status/1576594324498046977

Offline Rondaz

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CelesTrak has pre-launch SupGP data for the #Starlink Group 4-29 launch from Cape Canaveral scheduled for 2022-10-03 at 23:53:40 UTC. Deployment of 52 satellites is set for 2022-10-04 at 00:56:11.520 UTC:

https://twitter.com/TSKelso/status/1576768429695959042

Offline Rondaz

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Orbital Launch no. 127 of 2022

Starlink L62 | SpaceX | Oct 03 | 2321 UTC

@SpaceX to launch another batch of 52 #Starlink V1.5🛰️ (G4-29) on its #Falcon9 FT (booster #B1071.5) from pad SLC-4E, @SLDelta30, California.

https://twitter.com/SpaceIntellige3/status/1576854278265720833

Offline SpaceFinnOriginal

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Orbital Launch no. 127 of 2022

Starlink L62 | SpaceX | Oct 03 | 2321 UTC

@SpaceX to launch another batch of 52 #Starlink V1.5🛰️ (G4-29) on its #Falcon9 FT (booster #B1071.5) from pad SLC-4E, @SLDelta30, California.

https://twitter.com/SpaceIntellige3/status/1576854278265720833

SpaceX website says launch time is 23:56 UTC.  CelesTrak gives 23:53:40 UTC.
Who is correct?

Offline VLN

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SpaceX website says launch time is 23:56 UTC.  CelesTrak gives 23:53:40 UTC.
Who is correct?

(1) The launch vehicle company is most likely correct.
(2) Celestrak predictions are based on SpaceX-provided data. Just as likely to be correct.
(3) Don't miss the earlier time

Have the cameras ready at 23:53:40. Something might happen.
« Last Edit: 10/03/2022 02:46 pm by VLN »

Offline ace5

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F9 BL5 Starlink

Online FutureSpaceTourist

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https://twitter.com/bubbinski/status/1577008533349928960

Quote
Starlink 4-29 is set for launch today from Vandenberg Space Force Base, carrying 52 satellites to orbit.

Article for @NASASpaceflight:
https://www.nasaspaceflight.com/2022/10/starlink-4-29/

Online FutureSpaceTourist

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https://twitter.com/tskelso/status/1577059340682305536

Quote
We have been informed by @SpaceX that the #Starlink Group 4-29 launch is now set for 10-04 at 23:48:10 UTC with deployment on 2022-10-05 at 00:50:41.520 UTC. Pre-launch SupGP data on CelesTrak has been updated to reflect this change.

Online FutureSpaceTourist

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twitter.com/spacex/status/1577072087012810753

Quote
To allow more time for pre-launch checkouts, now targeting Tuesday, October 4 for launch of Starlink from California

https://twitter.com/spacex/status/1577072088241737733

Quote
If launch of Crew-5 stays on track for October 5, we will stand down from tomorrow's launch attempt of the Starlink mission
« Last Edit: 10/03/2022 11:06 pm by FutureSpaceTourist »

Offline TJL

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Looks like launch was postponed until Tuesday, Oct. 4 at 7:48 pm (EDT).

Online FutureSpaceTourist

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SpaceX website now updated too:

https://www.spacex.com/launches/sl4-29/

Quote
SpaceX is targeting Tuesday, October 4 for a Falcon 9 launch of 52 Starlink satellites to low-Earth orbit from Space Launch Complex 4E (SLC-4E) at Vandenberg Space Force Base in California. The instantaneous launch window is at 4:48 p.m. PT (23:48 UTC).

Offline Ken the Bin

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Cancel-and-replace NGA notice.

Quote from: NGA
032318Z OCT 22
NAVAREA XII 738/22(18,21).
EASTERN NORTH PACIFIC.
CALIFORNIA.
MEXICO.
1. HAZARDOUS OPERATIONS:
   A. 042300Z TO 050028Z OCT, ALTERNATE
      052238Z TO 060006Z OCT IN AREA BOUND BY
      34-40.00N 120-39.00W, 34-40.00N 120-25.00W,
      34-06.00N 119-57.00W, 33-30.00N 119-33.00W,
      33-30.00N 119-44.00W, 33-50.00N 120-00.00W,
      34-25.00N 120-33.00W, 34-34.00N 120-39.00W.
   B. 042300Z TO 050029Z OCT, ALTERNATE
      052238Z TO 060007Z OCT IN AREA BOUND BY
      30-41.00N 117-19.00W, 30-18.00N 116-42.00W,
      29-23.00N 116-14.00W, 29-17.00N 116-24.00W,
      29-58.00N 117-07.00W.
2. CANCEL NAVAREA XII 723/22.
3. CANCEL THIS MSG 060107Z OCT 22.

Online FutureSpaceTourist

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twitter.com/spacex/status/1577397891168993280

Quote
Falcon 9 and Dragon are looking good for tomorrow’s Crew-5 launch at 12:00 p.m. ET; teams are keeping an eye on winds along the ascent corridor. Webcast will go live at 8:35 a.m. ET → spacex.com/launches/crew-…

https://twitter.com/spacex/status/1577397896260902912

Quote
Targeting later that day, at 4:10 p.m. PT, for Falcon 9’s launch of Starlink from California
« Last Edit: 10/04/2022 08:42 pm by FutureSpaceTourist »

Offline Ken the Bin

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New cancel-and-replace NGA notice.

Quote from: NGA
042022Z OCT 22
NAVAREA XII 741/22(18,21).
EASTERN NORTH PACIFIC.
CALIFORNIA.
MEXICO.
1. HAZARDOUS OPERATIONS:
   A. 052238Z TO 060006Z OCT IN AREA BOUND BY
      34-40.00N 120-39.00W, 34-40.00N 120-25.00W,
      34-06.00N 119-57.00W, 33-30.00N 119-33.00W,
      33-30.00N 119-44.00W, 33-50.00N 120-00.00W,
      34-25.00N 120-33.00W, 34-34.00N 120-39.00W.
   B. 052238Z TO 060007Z OCT IN AREA BOUND BY
      30-41.00N 117-19.00W, 30-18.00N 116-42.00W,
      29-23.00N 116-14.00W, 29-17.00N 116-24.00W,
      29-58.00N 117-07.00W.
2. CANCEL NAVAREA XII 738/22.
3. CANCEL THIS MSG 060107Z OCT 22

Offline soltasto

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Updated "press kit" capture with OCR

Offline Rondaz

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#SpaceX is targeting Wednesday, October 5 for a #Falcon9 launch of 52 #Starlink satellites to low-Earth orbit from Space Launch Complex 4E (SLC-4E) at Vandenberg Space Force Base in California. The instantaneous launch window is at 4:10 p.m. PT (23:40 UTC).

https://twitter.com/spacextracker/status/1577420186843746304

Offline Ken the Bin

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https://twitter.com/TSKelso/status/1577496099698274304

Quote from: T.S. Kelso
The next launch opportunity for #Starlink Group 4-29 is now set for 2022-10-05 at 23:10:30 UTC with deployment on 2022-10-06 at 00:13:01.520 UTC. Pre-launch SupGP data on CelesTrak has been updated to reflect this change.

Offline Ken the Bin

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A slight adjustment to the deployment time:

https://twitter.com/TSKelso/status/1577703674398224386

Quote from: T.S. Kelso
.@SpaceX has adjusted the trajectory and deployment time for the #Starlink Group 4-29 launch. Liftoff remains on 2022-10-05 at 23:10:30 UTC with deployment on 2022-10-06 at 00:13:02.020 UTC. CelesTrak pre-launch SupGP data has been updated to reflect this change.

Offline Rondaz

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Upcoming 30th #Starlink launch of this year via #SpaceX's #Falcon9 vehicle..

Booster supporting this mission..

https://twitter.com/_rykllan/status/1577712240547057664

Offline Rondaz

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Just seven hours after launching a Falcon 9 rocket and a Dragon crew capsule from Florida, SpaceX is gearing up to send another Falcon 9 rocket aloft from a launch pad in California at 4:10pm PDT (7:10pm EDT; 2310 GMT) with 52 Starlink internet satellites.

https://twitter.com/SpaceflightNow/status/1577760280846663682

Offline Steven Pietrobon

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Here's the October 5 version of the website presskit (first two versions were October 3 and 4).
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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SpaceX mission control audio.

Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Range is ready.

T-38 minutes. Launch director is verifying go for propellant load.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T-36 minutes. LD is go for propellant load.
« Last Edit: 10/05/2022 10:36 pm by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T-35 minutes. First stage LOX and RP-1 and second stage RP-1 loading should be starting about now.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T-34 minutes. Launch autosequence has started.
« Last Edit: 10/05/2022 10:42 pm by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T-20 minutes. Stage 2 RP-1 load complete.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T-16 minutes. Second stage LOX loading has started.
« Last Edit: 10/05/2022 10:54 pm by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T-7 minutes. Engine chill has begun.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T-5 minutes. Pressing for strongback retract.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T-4 minutes. Range is green. A bit foggy in Vendenburg today!
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T-3 minutes. First stage LOX load complete.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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https://twitter.com/tgmetsfan98/status/1577796658103984129

Quote
More rockets? More rockets.

SpaceX's live coverage of the Starlink Group 4-29 mission from Vandenberg is starting: youtube.com/watch?v=wcq7xi…

Article by Justin Davenport (@Bubbinski):

https://www.nasaspaceflight.com/2022/10/starlink-4-29/

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T-2 minutes. Stage 2 LOX load complete.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T-1 minute. Falcon 9 is in startup.
« Last Edit: 10/05/2022 11:11 pm by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Liftoff!
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+1 minute.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+2 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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First stage separation.

Fairing separation.

T+3 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+4 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+5 minutes. Both vehicles following nominal trajectories.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+6 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Entry burn.

T+7 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+8 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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https://twitter.com/nasaspaceflight/status/1577800771256590337

Quote
SpaceX Falcon 9 B1071 lands on drone ship "Of Course I Still Love You" after pushing the Starlink 4-29 mission uphill from Vandenberg.

Overview:
nasaspaceflight.com/2022/10/starli… - by  Justin Davenport (@Bubbinski)

SpaceX Livestream:
youtube.com/watch?v=wcq7xi…

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Landing burn and Touchdown!
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+9 minutes. Nominal orbit insertion.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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https://twitter.com/alexphysics13/status/1577801205476196353

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B1071 completes the 71st successful landing in a row since the last booster landing failure. How fitting

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Thanks to Steven and Future for their complete coverage,
It's Tony De La Rosa, ...I don't create this stuff, I just report it.

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End of webcast. Upcoming events.

00:53:22 2nd stage engine starts (SES-2)
00:53:24 2nd stage engine cutoff (SECO-2)
01:02:25 Starlink satellites deploy
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+20 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+30 minutes. Past South America and now over the Atlantic Ocean.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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https://twitter.com/thejackbeyer/status/1577807251942780928

Quote
STARlink. A SpaceX Falcon 9 transits our star while lofting the Starlink 4-29 group into orbit from Vandenberg Space Force Base this afternoon. @NASASpaceflight

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T+40 minutes. Still over the Atlantic.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+50 minutes. AOS Mauritius.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+53 minutes 22 seconds. Second ignition for two seconds should be occurring about now.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Nominal orbit insertion.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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AOS Maldives.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+1 hour. Separation should be in two minutes and 25 seconds.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+1 hour 2 minutes and 25 seconds. Separation should be occurring about now.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Confirmation of separation!

Congratulations to SpaceX and Starlink for the successful launch!
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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The audio stream has switched to the webcast view!
« Last Edit: 10/06/2022 12:18 am by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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https://twitter.com/spacex/status/1577814826218229760

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Deployment of 52 Starlink satellites confirmed – completing SpaceX’s second launch in ~7 hours!

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The audio stream has ended, but unusually has not been made private.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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https://twitter.com/thejackbeyer/status/1577807251942780928

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STARlink. A SpaceX Falcon 9 transits our star while lofting the Starlink 4-29 group into orbit from Vandenberg Space Force Base this afternoon. @NASASpaceflight

This, but as a Metal Print in the Shop? :D

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The audio stream has ended, but unusually has not been made private.
Still public at 04:00 UTC.
Support your local planetarium! (COVID-panic and forward: Now more than ever.) My current avatar is saying "i wants to go uppies!" Yes, there are God-given rights. Do you wish to gainsay the Declaration of Independence?

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https://twitter.com/tskelso/status/1577940547171364864

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CelesTrak has ephemeris-based SupGP data for 44 of 52 satellites from the #Starlink Group 4-29 launch (2022-125) from Cape Canaveral on 2022-10-05 at 23:10:30 UTC: celestrak.org/NORAD/elements…. We expect to receive the rest soon.

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Orbital Launch no. 129 of 2022

Starlink L62 | SpaceX | Oct 05 | 2310 UTC

@SpaceX successfully launched another batch of 52 #Starlink V1.5🛰️ (G4-29) on its #Falcon9 FT (booster #B1071.5) from pad SLC-4E, @SLDelta30, California.

https://twitter.com/SpaceIntellige3/status/1577958175042682888

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https://twitter.com/elonmusk/status/1578055594573004800

Quote
Starlink view of 2nd stage deorbit burn

Edit to add: I’m guessing this is yesterday’s launch - happy to move if/when we know better.
« Last Edit: 10/06/2022 04:16 pm by FutureSpaceTourist »

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Wildfire ignition of the second stage of a Falcon 9.

https://twitter.com/SpaceNosey/status/1578287711303393280

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Here is a comparison between the webcast telemetry for Starlink missions S-26 and S-29. Although both missions deployed 52 Starlink satellites to the same 53.2° inclination, S-26 launched from Kennedy Space Center (KSC) LC-39A on the east coast, and S-29 from Vandenberg Space Launch Center (VSLC) SLC-4E on the west coast. The two launch sites have different latitudes, and hence different starting velocities due to the rotation of the Earth.

MissionLaunch siteLatitudeRotational velocity
S-26KSC LC-39A28.5°N407m/s
S-29VSLC SLC-4E34.7°N380m/s

For the same payload, S-29 had less starting velocity, so how did it reach orbit? SpaceX displays speed in the inertial reference frame, i.e. relative to the launch site. From the telemetry we can see that S-26 injection to orbit was at 7514m/s and 239km, whereas S-29 was at 7576m/s and 163km, some 62m/s faster, but some 76km lower.

Taking the apogees from the CelesTrak data apogee of 335km for S-26, and 315km for S-29, and applying the vis-viva equation (v² = G * M * (2/r - 1/a)), gives an orbital velocity at insertion of 7802m/s for S-26, and 7864m/s for S-29, for the same difference of 62m/s.

But that is not the whole story. The S-29 mission involved a second S2 burn to raise perigee before Starlink deploy to a safer, near circular orbit. S-29 was raised from 315 x 163km to 315 x 305km, a difference of 41m/s.

So, where did the propellant for that 41m/s come from? Going back to the S2 telemetry plot, firstly we can see that the S-29 booster spent less time in the throttle bucket, and MECO was some 54m/s faster than S-26, although with less loft. Also, the S-29 second stage burn was 11 seconds shorter, but still managed 21m/s more ΔV. You can see that the S-29 second stage acceleration is consistently a few percent above that for S-26. Both S-29 profiles reduced gravity losses, and saved enough propellant for the 41m/s of additional ΔV.

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https://twitter.com/spaceoffshore/status/1578502292999114752

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Of Course I Still Love You droneship should arrive at the Port of Long Beach with B1071 approx Saturday dawn. Contract tug Scorpius is towing.

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SpaceX launch photo

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https://twitter.com/spaceoffshore/status/1578744579980869632

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Of Course I Still Love You droneship is inbound to the Port of Long Beach

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https://twitter.com/shorealonefilms/status/1578769085612990464

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welcome home @SpaceX #starlinkbooster into LongBeach!!!

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A @SpaceX #Falcon9 booster B1071.5 arrives into the ⁦@portoflongbeach⁩ this morning fresh back from Space on its #Starlink mission. 10-08-22..

https://twitter.com/ShorealoneFilms/status/1578806827218653185

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Cross-post:
David Brown has a feature-length article in the New York Times from SpaceX Mission Control during the launch campaigns for Crew-5, Starlink 4-29, and Galaxy 33/34.

31 Hours Inside SpaceX Mission Control
A reporter got an inside look at SpaceX’s attempt to launch and land three rockets in less than two days in October, part of the company’s bid to make spaceflight appear almost routine.

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