Author Topic: SpaceX F9 : Starlink Group 2-1 : VSFB SLC-4E : 13/14 September 2021 (03:55 UTC) (Read 82688 times)

hektor · « **Reply #140 on:** 09/14/2021 04:15 am »

Maybe this first deploy is for another undisclosed payload?

tleski · « **Reply #141 on:** 09/14/2021 04:17 am »

Already deployed!
The webcast host just corrected the previous information. This was the direct insertion but deployment out of the range of ground stations.

edkyle99 · « **Reply #142 on:** 09/14/2021 04:20 am »

They'll update with confirmation in a few minutes when within range of a ground station.

tleski · « **Reply #143 on:** 09/14/2021 04:23 am »

They just confirmed successful deployment.

HVM · « **Reply #144 on:** 09/14/2021 04:24 am »

Reaction wheels?

matthewkantar · « **Reply #145 on:** 09/14/2021 04:27 am »

Quote from: HVM on 09/14/2021 04:24 am

Reaction wheels?

"Lasers"?

gongora · « **Reply #146 on:** 09/14/2021 04:37 am »

Quote from: HVM on 09/14/2021 04:24 am

Reaction wheels?

Looks like it. I really wanted to see the new sats deploy.

FutureSpaceTourist · « **Reply #147 on:** 09/14/2021 06:35 am »

https://twitter.com/_tomcross_/status/1437664473641152514

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Starlink G2-1 launch from California. Reaching higher latitudes. 10th flight and landing of Falcon 9.

https://twitter.com/opbphotos/status/1437633453843828738

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Went flying for tonight's @SpaceX Starlink launch out of Vandenberg SFB! Here's the Falcon 9 poking out of the marine layer!

FutureSpaceTourist · « **Reply #148 on:** 09/14/2021 06:39 am »

For completeness:

https://twitter.com/nasaspaceflight/status/1437633506595811337

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Deployment confirmed. 51 Starlinks were successfully sent on their way to kick off the second shell for the Starlink constellation.

https://www.nasaspaceflight.com/2021/09/spacex-begin-second-starlink-shell/

Article lead photo:

https://twitter.com/thejackbeyer/status/1437631737660469252

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Challenging conditions tonight for Starlink 2-1, but at least I managed to get something. @NASASpaceflight

Helodriver · « **Reply #149 on:** 09/14/2021 07:27 am »

The automated Surfline Jalama Beach surf cam caught the first stage burn of Starlink 2-1 illuminating the fog free beach as it launched. The booster itself was just to the right of the camera frame and is not seen directly.

The video starts in night mode until the rapidly increasing brightness triggers it to go back into daylight mode, with the plume lighting up the entire beach in full color before it goes back to night mode as the glow fades after staging.

Jalama Beach is a public park right at the southern border of Vandenberg Space Force Base 10.5 miles from SLC-4E The site was closed to visitors for this flight as the launch trajectory passed directly overhead the park.

OneSpeed · « **Reply #150 on:** 09/14/2021 08:53 am »

Here is a comparison between the Starlink 27 and 2-1 mission telemetry. There were some unfortunate freezes in the Starlink 28 telemetry, so 27 seemed the next best option.

From the S1 telemetry, you can see that both boosters got their second stages to about the same inertial velocity. The reduced payload from 60 to 51 satellites compensated almost exactly for the lack of assistance from the rotation of the earth due to the 158° polar launch azimuth.

The same reduction in payload then enabled the 2-1 second stage to both loft the payload some 46km higher, and gain an additional 112m/s of inertial velocity at insertion.

zubenelgenubi · « **Reply #151 on:** 09/14/2021 09:31 am »

Belated post:
SFN, New version ofSpaceX's Starlink internet satellites to begin launching Monday, dated September 13

Launch at 8:55:50 pm September 13 PDT = 0355:50 September 14 UTC.

Conexion Espacial · « **Reply #152 on:** 09/14/2021 11:33 am »

First official SpaceX photo of the launch, taken from the web page code, as it says in the file name SL_2-1 that was the name SpaceX gave to the photo and the mission.

crandles57 · « **Reply #153 on:** 09/14/2021 01:37 pm »

https://www.nasaspaceflight.com/2021/09/spacex-begin-second-starlink-shell/

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SpaceX begins second Starlink shell with Vandenberg launch

Flight Profile

The Falcon 9 booster, which lofted the Starlink 2-1 mission into orbit, made its tenth trip to space and back. Falcon 9 B1049 first flew in September 2018 when it lofted the Canadian Telstar 18 Vantage communications satellite into orbit. 123 days later, B1049 launched on its second flight, launching the eighth and final batch of Iridium NEXT satellites into space.

Since then, the booster has been dedicated to Starlink flights, having launched 420 individual satellites over the course of seven missions prior to the Group 2-1 mission.

I think that 420 should be 418 Starlink plus 3 skysat satellites.

Rondaz · « **Reply #154 on:** 09/14/2021 03:13 pm »

CelesTrak has pre-launch SupTLEs for the @SpaceX V2.0-1 launch of 51 #Starlink satellites from Vandenberg SFB on Sep 14 at 0355 UTC. Deployment is set for 2021-09-14 04:11:26.880 UTC, just over 15 minutes after launch:

https://twitter.com/TSKelso/status/1437464139266281472

FutureSpaceTourist · « **Reply #155 on:** 09/14/2021 07:49 pm »

https://twitter.com/alejandro_debh/status/1437857519326613514

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Pre-Launch TLE showed a 213x343km 70.01º orbit

Actual orbit achieved is 212x343km 70.01º

This is orbital accuracy shown right there to y'all

twitter.com/tskelso/status/1437848911515840513

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CelesTrak has ephemeris-based SupTLEs for 15 of the 51 #Starlink satellites launched on Sep 14 at 0355 UTC: https://celestrak.com/NORAD/elements/supplemental/

scr00chy · « **Reply #156 on:** 09/14/2021 07:59 pm »

Launch photos from SpaceX's Flickr

SPKirsch · « **Reply #157 on:** 09/15/2021 01:48 am »

https://twitter.com/SpaceOffshore/status/1437866686552674305

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NRC Quest and the fairing from the Starlink mission should arrive in Long Beach around 9am PDT tomorrow.

OCISLY and B1049 are departing the LZ at the moment. Should be able to estimate an arrival time soon.

FutureSpaceTourist · « **Reply #158 on:** 09/15/2021 02:10 pm »

https://twitter.com/spaceoffshore/status/1438142519125102594

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Fairing recovery ship NRC Quest is approximately two hours away from arriving at the Port of Long Beach.

The ship should hopefully be carrying two halves from the recent Starlink mission.

FutureSpaceTourist · « **Reply #159 on:** 09/15/2021 09:55 pm »

https://twitter.com/birdsnspace/status/1438255629395644420

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I have a camera.

NRC Quest arrived this morning at the Port of Long Beach, carrying two fairing halves from the Starlink launch two days ago.