Author Topic: SpaceX F9 : Starlink v1.0 L26 : KSC LC-39A : 15 May 2021 (2256 UTC) (Read 77571 times)

Mark K · « **Reply #40 on:** 05/14/2021 08:53 pm »

Quote from: Jansen on 05/14/2021 08:49 pm

https://twitter.com/SpaceX/status/1393305828342468613

Please quote the relevant text from tweets.

"Falcon 9 will send to orbit 52 Starlink satellites, a Capella Synthetic Aperture Radar (SAR) satellite, and Tyvak-0130"

gongora · « **Reply #41 on:** 05/14/2021 08:57 pm »

Original ITU filing for Tyvak-0130 had 37deg 500km orbit, but rideshare payloads adjust their orbits all the time to match flight opportunities. It has UHF and S-band antennas.

PM3 · « **Reply #42 on:** 05/14/2021 09:31 pm »

https://twitter.com/jeff_foust/status/1393311568834744320

Quote from: Jeff Foust

Tyvak-0130 is described in a NOAA commercial remote sensing filing as “an optical spectrum astronomy observation satellite”… https://www.nesdis.noaa.gov/CRSRA/files/Tyvak-0130_NOAA_Summary.pdf

Jansen · « **Reply #43 on:** 05/14/2021 10:00 pm »

LAUNCH, LANDING, AND DEPLOYMENT

All Times Approximate

HR/MIN/SEC   EVENT
00:01:12   Max Q (moment of peak mechanical stress on the rocket)
00:02:31   1st stage main engine cutoff (MECO)
00:02:35   1st and 2nd stages separate
00:02:43   2nd stage engine starts
00:03:16   Fairing deployment
00:06:42   1st stage entry burn complete
00:08:28   1st stage landing
00:08:42   2nd stage engine cutoff (SECO-1)
00:54:38   2nd stage engine restarts
00:54:42   2nd stage engine cutoff (SECO-2)
00:56:53   Tyvak-0130 deploys
01:00:23   Capella Synthetic Aperture Radar (SAR) satellite deploys
01:38:10   Starlink satellites deploy

A bit different than usual

soltasto · « **Reply #44 on:** 05/15/2021 01:18 am »

"Press kit" capture with OCR

soyuzu · « **Reply #45 on:** 05/15/2021 01:24 am »

Quote from: Jansen on 05/14/2021 10:00 pm

LAUNCH, LANDING, AND DEPLOYMENT

All Times Approximate

HR/MIN/SEC   EVENT
00:01:12   Max Q (moment of peak mechanical stress on the rocket)
00:02:31   1st stage main engine cutoff (MECO)
00:02:35   1st and 2nd stages separate
00:02:43   2nd stage engine starts
00:03:16   Fairing deployment
00:06:42   1st stage entry burn complete
00:08:28   1st stage landing
00:08:42   2nd stage engine cutoff (SECO-1)
00:54:38   2nd stage engine restarts
00:54:42   2nd stage engine cutoff (SECO-2)
00:56:53   Tyvak-0130 deploys
01:00:23   Capella Synthetic Aperture Radar (SAR) satellite deploys
01:38:10   Starlink satellites deploy

A bit different than usual

Seems like the second burn of S2 is 2 seconds longer than L27, maybe higher orbit for ride share payloads? Which can explain why there is only 52 satellites...

soltasto · « **Reply #46 on:** 05/15/2021 01:25 am »

Quote from: soyuzu on 05/15/2021 01:24 am

Quote from: Jansen on 05/14/2021 10:00 pm
LAUNCH, LANDING, AND DEPLOYMENT

All Times Approximate

HR/MIN/SEC   EVENT
00:01:12   Max Q (moment of peak mechanical stress on the rocket)
00:02:31   1st stage main engine cutoff (MECO)
00:02:35   1st and 2nd stages separate
00:02:43   2nd stage engine starts
00:03:16   Fairing deployment
00:06:42   1st stage entry burn complete
00:08:28   1st stage landing
00:08:42   2nd stage engine cutoff (SECO-1)
00:54:38   2nd stage engine restarts
00:54:42   2nd stage engine cutoff (SECO-2)
00:56:53   Tyvak-0130 deploys
01:00:23   Capella Synthetic Aperture Radar (SAR) satellite deploys
01:38:10   Starlink satellites deploy

A bit different than usual

Seems like the second burn of S2 is 2 seconds longer than L27, maybe higher orbit for ride share payloads? Which can explain why there is only 52 satellites...

Yes, insertion orbit should be 569 km x 581 km

zubenelgenubi · « **Reply #47 on:** 05/15/2021 01:16 pm »

Is the LV erected yet at the pad?

Mat-FoundInSpace · « **Reply #48 on:** 05/15/2021 01:20 pm »

Quote from: zubenelgenubi on 05/15/2021 01:16 pm

Is the LV erected yet at the pad?

No

Mat-FoundInSpace · « **Reply #49 on:** 05/15/2021 01:53 pm »

Going vertical

https://twitter.com/SpaceflightNow/status/1393563766286073858?s=19

FutureSpaceTourist · « **Reply #50 on:** 05/15/2021 02:13 pm »

https://twitter.com/spaceflightnow/status/1393569168683896836

Quote

SpaceX has raised a Falcon 9 rocket on pad 39A in Florida for launch with 54 satellites at 6:54pm EDT (2254 GMT).

There’s a 70% chance of good weather for launch at the Kennedy Space Center. SpaceX is also tracking weather in the booster landing area.

spaceflightnow.com/2021/05/15/fal…