Author Topic: SpaceX F9 : Starlink v1.0 L16 : KSC LC-39A : 20 Jan 2021 (1302 UTC)  (Read 71535 times)

Offline Raul

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Launch date is postponed to NET 18 Jan between 13:35-14:43 UTC based on this NOTMAR update

Quote
142033Z JAN 21
NAVAREA IV 42/21(11,26).
WESTERN NORTH ATLANTIC.
FLORIDA.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
   181335Z TO 181443Z JAN, ALTERNATE
   191313Z TO 191421Z JAN
   IN AREAS BOUND BY:
   A. 28-39-10N 80-37-48W, 29-00-00N 80-14-00W,
      29-15-00N 79-56-00W, 29-17-00N 79-50-00W,
      29-11-00N 79-44-00W, 29-07-00N 79-47-00W,
      28-50-00N 80-02-00W, 28-34-00N 80-22-00W,
      28-30-21N 80-32-58W.
   B. 31-57-00N 76-56-00W, 33-17-00N 76-03-00W,
      33-31-00N 74-59-00W, 33-10-00N 74-36-00W,
      32-27-00N 74-46-00W, 31-42-00N 76-41-00W.
2. CANCEL NAVAREA IV 39/21.
3. CANCEL THIS MSG 191521Z JAN 21.
« Last Edit: 01/14/2021 07:54 pm by Raul »

Offline Ken the Bin

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Here's the accompanying Space Debris update:

Quote from: NGA
142048Z JAN 21
HYDROPAC 183/21(GEN).
INDIAN OCEAN.
WESTERN SOUTH PACIFIC.
1. HAZARDOUS OPERATIONS, SPACE DEBRIS
   181544Z TO 181627Z JAN, ALTERNATE
   191522Z TO 191605Z JAN
   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 159/21.
3. CANCEL THIS MSG 191705Z JAN 21.

Online vaporcobra

I concur with Stephen here, the move from early Sunday afternoon to early Monday morning definitely implies a significant change in the plane this launch is targeting.

https://twitter.com/StephenClark1/status/1349827653822525445

Offline SMS

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SMS ;-).

Offline SMS

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SMS ;-).

Offline Jansen

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Offline rsdavis9

I concur with Stephen here, the move from early Sunday afternoon to early Monday morning definitely implies a significant change in the plane this launch is targeting.

https://twitter.com/StephenClark1/status/1349827653822525445

Well roughly 12 hrs later the same plane is in the descending part.
So if we launch to 58deg inclination on the ascending node that is a launch azimuth of 90-58=32deg so the descending node would be 90+58=148deg which would overfly the Bahamas.
With ELV best efficiency was the paradigm. The new paradigm is reusable, good enough, and commonality of design.
Same engines. Design once. Same vehicle. Design once. Reusable. Build once.

Offline Elthiryel

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L-3 weather forecast is up.

Primary day: 70% GO with a moderate risk of wind shear being too strong and a moderate risk of booster recovery weather being unacceptable

Backup day: 90% GO, all other risks low
GO for launch, GO for age of reflight

Offline SMS

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SMS ;-).

Offline Jansen

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Offline Ken the Bin

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L-2 weather forecast; unchanged from L-3.

Offline Jansen

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Offline Jansen

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L-1 forecast is still 70% GO with moderate risk for wind shear and booster recovery weather.

Backup day is still 90% GO.
« Last Edit: 01/17/2021 01:40 pm by Jansen »

Offline Elthiryel

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SpaceX has updated their launches website.

https://www.spacex.com/launches/

Both fairing halves will be flight-proven.

Quote
One half of Falcon 9’s fairing previously supported a Starlink mission and the other previously supported two.

Webcast link:
« Last Edit: 01/17/2021 05:40 pm by Elthiryel »
GO for launch, GO for age of reflight

Online FutureSpaceTourist

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https://twitter.com/spacex/status/1350876908867620864

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Targeting Monday, January 18 at 8:45 a.m. EST for Falcon 9 launch of 60 Starlink satellites from LC-39A; Falcon 9’s first stage previously supported seven missions. Team is keeping an eye on launch and recovery weather → spacex.com/launches

Offline Jansen

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Quote
SpaceX is targeting Monday, January 18 for its seventeenth Starlink mission, which will launch 60 Starlink satellites from Launch Complex 39A (LC-39A) at Kennedy Space Center. The instantaneous window is at 8:45 a.m. EST, or 13:45 UTC. A backup opportunity is available on Tuesday, January 19 at 8:23 a.m. EST, or 13:23 UTC.

The Falcon 9 first stage rocket booster supporting this mission previously flew on seven other missions: the SXM-7 mission in December 2020, launch of the RADARSAT Constellation Mission in June 2019, launch of Crew Dragon’s first demonstration mission in March 2019, and four 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. One half of Falcon 9’s fairing previously supported a Starlink mission and the other previously supported two.

SpaceX has officially confirmed B1051.8
« Last Edit: 01/17/2021 06:14 pm by Jansen »

Offline Jansen

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LAUNCH, LANDING, AND DEPLOYMENT

All Times Are Approximate

HR/MIN/SEC   EVENT
00:01:12   Max Q (moment of peak mechanical stress on the rocket)
00:02:32   1st stage main engine cutoff (MECO)
00:02:36   1st and 2nd stages separate
00:02:44   2nd stage engine starts
00:03:10   Fairing deployment
00:06:40   1st stage entry burn complete
00:08:26   1st stage landing
00:08:46   2nd stage engine cutoff (SECO-1)
00:45:35   2nd stage engine restarts
00:45:36   2nd stage engine cutoff (SECO-2)
01:04:32   Starlink satellites deploy

Offline scr00chy

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Visual mission profile

Offline Jansen

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« Last Edit: 01/17/2021 07:03 pm by Jansen »

Online FutureSpaceTourist

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https://twitter.com/spacexfleet/status/1350919546308325381

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Ms. Tree and Ms. Chief have departed from the Port of Morehead City for the Starlink mission! 🚀

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