Author Topic: SpaceX F9 : Starlink v1.0 L17 : KSC LC-39A : 4 March 2021 (0824 UTC)  (Read 176418 times)

Offline Jansen

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Offline Jansen

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No major changes, still 90% GO for launch day
« Last Edit: 01/28/2021 02:16 pm by Jansen »

Offline Raul

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Postponed for one day more to January 31
Quote
281713Z JAN 21
NAVAREA IV 86/21(11,26).
WESTERN NORTH ATLANTIC.
FLORIDA.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
   311147Z TO 311305Z JAN, ALTERNATE
   011126Z TO 011244Z, 021104Z TO 021222Z
   AND 031042Z TO 031200Z FEB IN AREAS BOUND BY:
   A. 28-39-10N 080-37-48W, 29-00-00N 080-14-00W,
      29-15-00N 079-56-00W, 29-17-00N 079-50-00W,
      29-11-00N 079-44-00W, 29-07-00N 079-47-00W,
      28-50-00N 080-02-00W, 28-34-00N 080-22-00W,
      28-30-21N 080-32-58W.
   B. 31-57-00N 076-56-00W, 33-17-00N 076-03-00W,
      33-31-00N 074-59-00W, 33-10-00N 074-36-00W,
      32-27-00N 074-46-00W, 31-42-00N 076-41-00W.
2. CANCEL NAVAREA IV 80/21.
3. CANCEL THIS MSG 031300Z FEB 21.

281727Z JAN 21
HYDROPAC 367/21(GEN).
INDIAN OCEAN.
WESTERN SOUTH PACIFIC.
1. HAZARDOUS OPERATIONS, SPACE DEBRIS
   311356Z TO 311449Z JAN, ALTERNATE
   011335Z TO 011428Z, 021313Z TO 021406Z
   AND 031251Z TO 031344Z FEB 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 341/21.
3. CANCEL THIS MSG 031444Z FEB 21.
« Last Edit: 01/28/2021 04:38 pm by Raul »

Online gongora

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If it flies on the 31st it will be about 10 minutes before sunrise.

Offline Jansen

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https://spaceflightnow.com/2021/01/28/falcon-9-rocket-arrives-on-pad-39a-for-sunrise-starlink-launch-this-weekend/
Quote
There is an instantaneous launch opportunity at 7:02 a.m. EST (1202 GMT), about 10 minutes before sunrise Sunday.

Possible static fire as well.
« Last Edit: 01/28/2021 05:21 pm by Jansen »

Online FutureSpaceTourist

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https://twitter.com/spaceflightnow/status/1355034924168962048

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SpaceX has raised a Falcon 9 rocket vertical on pad 39A at the Kennedy Space Center in preparation for a possible test-firing Friday, followed by a launch set for Sunday with the next 60 Starlink internet satellites.

Read more: spaceflightnow.com/2021/01/28/fal…

Online FutureSpaceTourist

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L-2 launch weather for Sunday remains 80% GO
« Last Edit: 01/29/2021 01:30 pm by FutureSpaceTourist »

Online FutureSpaceTourist

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https://twitter.com/spaceflightnow/status/1355169675076907008

Quote
SpaceX appears to have aborted a Falcon 9 static fire test on pad 39A this morning after loading propellants into the rocket.

The launcher is packed with around 60 more Starlink internet satellites for liftoff in a couple of days.

spaceflightnow.com/2021/01/29/fal…

Offline Jansen

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Offline Comga

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If it flies on the 31st it will be about 10 minutes before sunrise.

How many days can this be delayed before the staging at altitude is in the pre-dawn dark and "the show" is diminished?
An exact answer lies at the intersection of orbital mechanics and spherical trigonometry, a pretty rough neighborhood. :P
What kind of wastrels would dump a perfectly good booster in the ocean after just one use?

Online FutureSpaceTourist

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https://twitter.com/spacexfleet/status/1355295484676550659

Quote
Ms. Tree and Ms. Chief will head direct to the Port of Morehead City, NC, to wait for a date for Starlink, which seems to be delayed.

Fairing Catcher departure suggests the delay won't be too long.

Online gongora

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[email protected]
10:27 PM (16 minutes ago)
to NAVSAFETY1

300318Z JAN 21
NAVAREA IV 92/21(11,26).
WESTERN NORTH ATLANTIC.
FLORIDA.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
   011126Z TO 011244Z JAN, ALTERNATE
   021104Z TO 021222Z, AND 031042Z TO 031200Z FEB
   IN AREAS BOUND BY:
   A. 28-39-10N 080-37-48W, 29-00-00N 080-14-00W,
      29-15-00N 079-56-00W, 29-17-00N 079-50-00W,
      29-11-00N 079-44-00W, 29-07-00N 079-47-00W,
      28-50-00N 080-02-00W, 28-34-00N 080-22-00W,
      28-30-21N 080-32-58W.
   B. 31-57-00N 076-56-00W, 33-17-00N 076-03-00W,
      33-31-00N 074-59-00W, 33-10-00N 074-36-00W,
      32-27-00N 074-46-00W, 31-42-00N 076-41-00W.
2. CANCEL NAVAREA IV 86/21.
3. CANCEL THIS MSG 031300Z FEB 21.

Offline Jansen

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Ben Cooper is reporting a launch time of 6:41 am EST.

Offline Ken the Bin

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The new Space Debris notice has also now been issued:

Quote from: NGA
300338Z JAN 21
HYDROPAC 388/21(GEN).
INDIAN OCEAN.
WESTERN SOUTH PACIFIC.
1. HAZARDOUS OPERATIONS, SPACE DEBRIS
   011335Z TO 011428Z FEB, ALTERNATE
   021313Z TO 021406Z, AND
   031251Z TO 031344Z FEB 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 367/21.
3. CANCEL THIS MSG 031444Z FEB 21.

Offline Comga

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Ben Cooper is reporting a launch time of 6:41 am EST.

That should be ~30 minutes before sunrise at the Cape and perhaps a few minutes before "first light" (astronomical twilight?).
The rocket could enter sunlight during the first stage burn at something like 50-60 km altitude.
(A precise answer is at the intersection of orbital mechanics and spherical trigonometry, a tough neighborhood. :P )
Could make for a nice display at staging.
What kind of wastrels would dump a perfectly good booster in the ocean after just one use?

Offline Jansen

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SpaceFlight Now has confirmed the new time.
https://spaceflightnow.com/launch-schedule/
« Last Edit: 01/30/2021 12:59 pm by Jansen »

Online scr00chy

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Falcon 9 is now back to horizontal, based on Spaceflight Now webcam (members only).

Online FutureSpaceTourist

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L-2 weather forecast is 60% GO

Offline Jansen

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If the booster recovery weather doesn’t improve, it could get bumped for a couple more days.

Online scr00chy

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If the booster recovery weather doesn’t improve, it could get bumped for a couple more days.

It's pretty much guaranteed, unless SpaceX decided to expend the booster. Neither ASDS is currently on its way to the landing zone, so Feb 1 isn't feasible anymore.
« Last Edit: 01/30/2021 03:13 pm by scr00chy »

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