Author Topic: SpaceX F9 : Starlink group 4-8 : CCSFS SLC-40 : 21 February 2022 (14:44 UTC)  (Read 37222 times)

Online zubenelgenubi

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Thread for the Starlink 4-8 group launch from Florida.

NSF Threads for Starlink 4-8: Discussion

Launch February 21, 2022 at 14:44 UTC (9:32 am EST) from CCSFS SLC-40 on booster 1058-11.  ASDS landing on A Shortfall of Gravitas is successful.

Payload 46 Starlink satellites to 53.2 degree inclination on SE trajectory.  Initial orbit of 325 x 337 km.  On the Starlink Group 4-5 webcast it was mentioned that the southeast trajectory is to increase the recovery weather availability for the booster and fairings during the winter months.

Quote
SpaceX is targeting Sunday, February 20 for a Falcon 9 launch of 46 Starlink satellites to low Earth orbit from Space Launch Complex (SLC-40) at Cape Canaveral Space Force Station in Florida. The instantaneous launch window is at 11:13 a.m. EST, or 16:13 UTC, and a backup opportunity is available on Monday, February 21 at 9:32 a.m. EST, or 14:32 UTC.

The first stage booster supporting this mission previously launched Crew Demo-2, ANASIS-II, CRS-21, Transporter-1, Transporter-3, and five Starlink missions. Following stage separation, SpaceX will land Falcon 9’s first stage on the A Shortfall of Gravitas droneship, which will be stationed in the Atlantic Ocean. This is the fourth flight for both fairing halves supporting this mission.

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

From a previous mission's Press Kit:
Quote
Each Starlink satellite weights approximately 260 kg and features a compact, flat-panel design that minimizes volume, allowing for a dense launch stack to take full advantage of Falcon 9’s launch capabilities. With four powerful phased array and two parabolic antennas on each satellite ... At end of their life cycle, the satellites will utilize their on-board propulsion system to deorbit over the course of a few months. In the unlikely event their propulsion system becomes inoperable, the satellites will burn up in Earth’s atmosphere within 1-5 years, significantly less than the hundreds or thousands of years required at higher altitudes. Further, Starlink components are designed for full demisability.

Starlink is targeting service to near global coverage of the populated world by 2021. Additional information on the system can be found at starlink.com.
« Last Edit: 02/25/2022 07:29 am by zubenelgenubi »
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Cross-posts

NET February 1:
Starlink 4-8, Mission 1720, another one with the SE trajectory
2042-EX-ST-2021

Launch Photography Viewing Guide, updated January 27:
Quote
Upcoming launches include more batches of Starlink satellites on TBA.

NET February:
Next Spaceflight

SFN Launch Schedule, updated January 27: February

In my opinion, ASDS availability is the controlling parameter.  As long as A Shortfall of Gravitas is the only drone recovery barge available, launches are limited by the amount of time needed between successful booster landings--landing, return to Port Canaveral, booster unloading, ship refurbishment, crew rotation if needed, then sailing again for the recovery zone.

Just Read the Instructions has been undergoing repairs to damage inflicted after the first stage recovery on December 21.



Space Coast orbital launches in the immediate future:
2022 Launched:
Date - Satellite(s) - Rocket - Launch Site - Time (UTC)

FAILURE
February 10 NET Dec 1 2021/NLT July 2022 NET Dec 2021 NET Jan 2022 Jan Jan 18 Jan TBD Jan 23 Jan 26? TBD Feb Feb 5 Feb 6 Feb 7 NET Feb 8 Feb 9 - VCLS Demo 2A: BAMA-1, INCA, QubeSat, R5-S1 (ELaNa 41) CURIE A, CURIE B - Rocket 3.3 (Astra) [LV0008] - Canaveral SLC-46 Kodiak LP-3B / Kwajalein - 20:00 18:00 to 21:00 Feb 5 19:10, 20:30 Feb 7 18:00, 18:50 20:00 to 21:00

February 21 NET Aug 2021 NET Dec 2021 TBD NET Q1 NET Feb 1 NET early Feb Feb 20 - Starlink 4-8 4-? group? (x46 x60 x53? x49) (flight 37 TBD) [v1.5 L8 v1.0 L34 L-TBD] - Falcon 9-141 (1058.11 ASOG S) - Canaveral SLC-40 / Kennedy LC-39A - 14:44:20 15:00 to 19:00 or 14:54 16:13:00 or 16:03
(mid-inclination Starlink: launch 20-22 minutes earlier/day)

2022 Scheduled:
Date - Satellite(s) - Rocket - Launch Site - Time (UTC)

March 1 Dec 2021 Dec 7, 2021 Jan 8 Feb 16 - GOES-T - Atlas V 541 AV-095 - Canaveral SLC-41- 21:38-23:38 21:33 to 23:33 TBD 21:40 to 23:40

March 3 NET Aug 2021 NET Jan TBD NETQ1 NET Feb NET Feb 15 early March - Starlink 4-9 4-? group? 4-? (x46 x60 x53? x49) (flight 39 TBD) [v1.5 L10 v1.0 L35 L-TBD] - Falcon 9-143 (1060.11 JRTI S) - Kennedy LC-39A / Canaveral SLC-40
(mid-inclination Starlink: launch 20-22 minutes earlier/day)

NET early March NET Feb 25 - Starlink 4-10 (x46 x49) (flight TBD) [v1.5 L-TBD] - Falcon 9-144 (S) - Canaveral SLC-40 / Kennedy LC-39A
(mid-inclination Starlink: launch 20-22 minutes earlier/day)

NET March 15 - Starlink 4-12 (x46 x49) (flight TBD) [v1.5 L-TBD] - Falcon 9 (S) - Canaveral SLC-40 / Kennedy LC-39A
(mid-inclination Starlink: launch 20-22 minutes earlier/day)

March 30 Oct 2021 NET Jan Feb 21 Feb 28 Mar 31 - Axiom-1 (AX-1) Crew Dragon Endeavour? Resilience - Falcon 9 (S) - Kennedy LC-39A - 18:45 ~06:00 ~19:10?
(ISS flights: 22-26 minutes earlier/day)

Q1/NET H2 March Q3 2021 Q4 2021 end of 2021 Dec 2021 early Q1 Q1 or Q2 - O3b mPower 1, 2, 3 - Falcon 9 (S?) - Canaveral SLC-40 / Kennedy LC-39A

Changes on December 11th, 2020
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« Last Edit: 02/21/2022 04:34 pm by zubenelgenubi »
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Possible first stages for Starlink 4-8: 1062.5 and 1058.11, with 1049.11 as a lesser possibility.

1049.11 appears to be held for the expendable O3b triplet launch from Florida coming up.  It hasn't been used for Starlink launches since it returned to FloridaI.

1062.5 could be held for Axiom-1.  1067.4 is being held for Crew-4.  1060.11 will probably not be available yet.

We on the outside do not know what the current disposition of B1069 is.  We have not yet seen 1053.3 with conversion work completed to single stick.

1051.12, 1063.4, and 1071.1 are on the west coast (Hawthorne? or Vandenberg).

My >guess< regarding Static Fire or not would be:
No Static Fire, for either 1062.5 or 1058.11.

Edit Feb 18: First stage is 1058.11.

Edited
« Last Edit: 02/18/2022 10:12 pm by zubenelgenubi »
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Online crandles57

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Nextspaceflight seems to have ordered 4-9 before 4-8. Is this likely and/or based on any reason?

The FCC STAs have 4-8 from 1 Feb and 4-9 from 15 Feb so that doesn't seem to support it.


1062 flew 6 Jan, 1058 flew 13 Jan, so not a great deal of turnaround time though no need to beat record 27 days.

Running out of boosters so a slower launch cadence in Feb? Or maybe they are forced into using 1049 again before its final flight?

Online Conexion Espacial

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Nextspaceflight seems to have ordered 4-9 before 4-8. Is this likely and/or based on any reason?

The FCC STAs have 4-8 from 1 Feb and 4-9 from 15 Feb so that doesn't seem to support it.


1062 flew 6 Jan, 1058 flew 13 Jan, so not a great deal of turnaround time though no need to beat record 27 days.

Running out of boosters so a slower launch cadence in Feb? Or maybe they are forced into using 1049 again before its final flight?
It's just that it was ordered this way, maybe because of NET February, but for the moment the same order of launching is followed.
I publish information in Spanish about space and rockets.
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Nextspaceflight seems to have ordered 4-9 before 4-8. Is this likely and/or based on any reason?

The FCC STAs have 4-8 from 1 Feb and 4-9 from 15 Feb so that doesn't seem to support it.


1062 flew 6 Jan, 1058 flew 13 Jan, so not a great deal of turnaround time though no need to beat record 27 days.

Running out of boosters so a slower launch cadence in Feb? Or maybe they are forced into using 1049 again before its final flight?

Don't read into the launch order. It's just a consequence of the code behind the scenes.
Rocket Enthusiast and Manager for Next Spaceflight.

Online zubenelgenubi

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No specified launch date(s) yet...
Launch Photography Viewing Guide, updated January 31, after the CSG-2 launch:
Quote
Upcoming launches include more batches of Starlink satellites on February/March TBA.
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No specified launch date(s) yet...
Launch Photography Viewing Guide, updated January 31, after the CSG-2 launch:
Quote
Upcoming launches include more batches of Starlink satellites on February/March TBA.
After the two releases tomorrow there will be a small break of a few weeks, so in February and Marchwe will have few releases, maybe two Starlink missions in February.
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Re: SpaceX F9 : Starlink group 4-8 : Florida : February 2022
« Reply #8 on: 02/04/2022 06:38 pm »
Launch Photography Viewing Guide, updated February 3:
Quote
The next SpaceX Falcon 9 rocket will launch another Starlink batch on February.
Upcoming launches include more batches of Starlink satellites on February/March TBA.
No specified launch date(s) yet...
Launch Photography Viewing Guide, updated January 31, after the CSG-2 launch:
Quote
Upcoming launches include more batches of Starlink satellites on February/March TBA.

SFN, SpaceX launches third Falcon 9 rocket mission in three days, February 3
Quote
SpaceX plans to launch more Starlink missions in late February from Florida and California.
« Last Edit: 02/05/2022 03:38 am by zubenelgenubi »
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Updated February 7:
https://spaceflightnow.com/launch-schedule/

Starlink Group 4-8 is scheduled for February 20th within a four-hour period of 15:00 UTC to 19:00 UTC. Two instantaneous opportunities will be chosen later.
Same source: launch from SLC-40
« Last Edit: 02/08/2022 02:04 am by zubenelgenubi »
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Offline txgho

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Any indications of a higher release point given the fate of 4-7?
Some noise on the geomag storm activity expanded the outer layer of atmosphere to reach the initial orbit level of 4-7.
Space weather reporting indicates this was not an exceptionally strong storm but it coincides with a weaker global magnetic field and reduced deflection to the upper atmosphere.
Not seeing any gov sources publishing but I am not looking for gov sources.

Online Alexphysics

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We won't know anything about that until SpaceX releases the pre-launch TLE's for this mission

Offline lenny97

Ben Cooper:
Quote
Falcon 9, February 20 @ about 10am or 1pm EST (pad 40).

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Ben Cooper:
Quote
Falcon 9, February 20 @ about 10am or 1pm EST (pad 40).
Two backup times are mentioned, at 1 and 2 o'clock, probably a mistake.

Quote
Falcon 9, February 20 @ about 10am or 1pm EST (pad 40)


The next SpaceX Falcon 9 rocket will launch another Starlink batch from pad 40 on February 20 likely around 10am or 2pm EST.
« Last Edit: 02/14/2022 02:36 pm by Conexion Espacial »
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Online Conexion Espacial

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« Last Edit: 02/15/2022 01:32 pm by Conexion Espacial »
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Offline Ken the Bin

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NGA notices:

My calculated launch times:
 Date   Primary  Secondary
Feb 20  ~14:54   ~~16:31
Feb 21  ~14:32   ~~16:09
Feb 22  ~14:11   ~~15:48
Feb 23  ~13:49   ~~15:26
Feb 24  ~13:27   ~~15:04
Feb 25  ~13:06   ~~14:43

Note: SFN has 16:13 as the secondary time for Feb 20.  I have 16:31.  I've made sure that I didn't transpose digits, but the disagreement is why I'm less confident about my secondary times.  If 16:13 turns out to be correct, then subtract 18 minutes from all of my secondary times to get the correct values.

Quote from: NGA
150627Z FEB 22
NAVAREA IV 166/22(11,26).
WESTERN NORTH ATLANTIC.
FLORIDA.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
   201424Z TO 201731Z FEB, ALTERNATE
   211402Z TO 211709Z, 221341Z TO 221648Z,
   231319Z TO 231626Z, 241257Z TO 241604Z
   AND 251236Z TO 251543Z FEB IN AREAS BOUND BY:
   A. 28-37-52N 080-36-51W, 28-36-00N 080-21-00W,
      27-59-00N 079-12-00W, 27-55-00N 079-15-00W,
      28-30-10N 080-32-53W.
   B. 25-59-00N 076-00-00W, 26-40-00N 075-09-00W,
      25-37-00N 073-53-00W, 24-53-00N 074-44-00W.
2. CANCEL THIS MSG 251643Z FEB 22.
Quote from: NGA
150609Z FEB 22
HYDROPAC 400/22(GEN).
SOUTHWESTERN INDIAN OCEAN.
SOUTH ATLANTIC.
1. HAZARDOUS OPERATIONS, SPACE DEBRIS
   201613Z TO 201858Z FEB, ALTERNATE
   211551Z TO 211836Z, 221530Z TO 221815Z,
   231508Z TO 231753Z, 241446Z TO 241731Z
   AND 251425Z TO 251710Z FEB IN AREA BOUND BY
   35-59S 050-22W, 35-28S 049-58W,
   37-16S 045-27W, 45-17S 028-19W,
   47-50S 020-18W, 49-51S 011-01W,
   51-05S 000-43E, 50-46S 014-54E,
   50-33S 021-34E, 46-52S 039-17E,
   43-19S 050-25E, 44-37S 051-06E,
   54-16S 018-06E, 54-22S 004-06E,
   54-22S 000-43E, 54-28S 004-31W,
   53-15S 013-27W, 51-14S 023-03W,
   47-53S 033-10W, 42-56S 042-53W,
   39-07S 048-08W.
2. CANCEL THIS MSG 251810Z FEB 22.
Quote from: NGA
150555Z FEB 22
HYDROLANT 448/22(GEN).
SOUTH ATLANTIC.
SOUTHWESTERN INDIAN OCEAN.
1. HAZARDOUS OPERATIONS, SPACE DEBRIS
   201613Z TO 201858Z FEB, ALTERNATE
   211551Z TO 211836Z, 221530Z TO 221815Z,
   231508Z TO 231753Z, 241446Z TO 241731Z
   AND 251425Z TO 251710Z FEB IN AREA BOUND BY
   35-59S 050-22W, 35-28S 049-58W,
   37-16S 045-27W, 45-17S 028-19W,
   47-50S 020-18W, 49-51S 011-01W,
   51-05S 000-43E, 50-46S 014-54E,
   50-33S 021-34E, 46-52S 039-17E,
   43-19S 050-25E, 44-37S 051-06E,
   54-16S 018-06E, 54-22S 004-06E,
   54-22S 000-43E, 54-28S 004-31W,
   53-15S 013-27W, 51-14S 023-03W,
   47-53S 033-10W, 42-56S 042-53W,
   39-07S 048-08W.
2. CANCEL THIS MSG 251810Z FEB 22.

Online zubenelgenubi

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Cross-post; my personal opinion is that SFN transposed the minute digits of the secondary launch time.  (Edit: my opinion was wrong.)
https://spaceflightnow.com/launch-schedule/
Quote
Feb. 20 • Falcon 9 • Starlink 4-8
Launch times: 1454 or 1613 GMT (9:54 or 11:13 a.m. EST)
Launch site: SLC-40, Cape Canaveral Space Force Station, Florida
A SpaceX Falcon 9 rocket will launch with another batch of Starlink internet satellites. [Feb. 14]



On February 15, I noticed A Shortfall of Gravitas is listed as the ASDS:
Next Spaceflight

Edited
« Last Edit: 02/17/2022 08:07 pm by zubenelgenubi »
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ASOG is leaving Port Canaveral
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Offline Ken the Bin

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L-3 weather forecast.  80% 'Go' for February 20.  90% 'Go' for February 21.  Upper-Level Wind Shear risk and Booster Recovery Weather risk are both Low-Moderate for Feb 20.  Booster Recovery Weather risk is Low-Moderate for Feb 21.  All other Additional Risk Criteria are Low.

Note: Based on the time of the validity period, it appears that SpaceX is targeting the Secondary time on February 20.

Online zubenelgenubi

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Next Spaceflight lists the secondary launch time on February 20 as the only launch time.
11:13 am EST = 16:13 UTC

Note: Based on the time of the validity period, it appears that SpaceX is targeting the Secondary time on February 20.
« Last Edit: 02/17/2022 08:06 pm by zubenelgenubi »
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