Author Topic: SpaceX F9 : Starlink group 9-2 : VSFB SLC-4E : 23/24 June 2024 (03:47 UTC)  (Read 9280 times)

Online zubenelgenubi

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Thread for the Starlink Group 9-2 launch.

Launch 24 June 2024, at 03:47:00 UTC (23 June 8:47 pm PDT), from Vandenberg SLC-4E, on booster 1075-11.  The first stage successfully landed aboard Of Course I Still Love You.

Payload 20 Starlink V2.0 Mini satellites, 13 of which are Direct-to-Cell, to a 53 degree inclination orbit on a southeastern trajectory.  Initial orbit 286 x 295 km.

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
« Last Edit: 06/24/2024 03:59 am by zubenelgenubi »
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Online zubenelgenubi

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Possible mid or late June Vandenberg Falcon 9 Starlink launch, following Starlink 9-1:
Starlink 7-19,
Starlink 8-3,
Starlink 8-9,
Starlink 9-2.

Not-Starlink Vandenberg Falcon 9 launches in the near future:
Near-term not-Starlink launch schedule; also noting LC-39A use:
<snip>
Transporter-11 (Jul 8 NET 1, SLC-4E)

Arctic Satellite Broadband Mission (NET Jul 10 late Jul/early Aug, SLC-4E)
<snip>

Edit June 19 UTC: It's Starlink 9-2.

Edited
« Last Edit: 06/22/2024 05:03 pm by zubenelgenubi »
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Online zubenelgenubi

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Potential back to back SLC-4E launches: Transporter-11 and ASBM.

Time for 2 Starlink launch campaigns before these launches?

Celestis are saying 8 July.
https://www.celestis.com/launch-schedule/harmony-flight/
Quote
Earth Orbit Service #11
Celestis Memorial Spaceflight: #24
Mission Name: Harmony Flight
Mission Status: Closed for reservations
Launch Location: Vandenberg SFB California
Launch Date: July 8, 2024

Quote
Intelsat License LLC (“Intelsat”) herein requests 30 days of Special Temporary Authority (“STA”),1 commencing July 10, 2024, to use its Nuevo, California Ka-band earth station, E170039, to provide launch and early orbit phase (“LEOP”) services for the ASBM 1 and ASBM 2 satellites.2 ASBM 1 and ASMB 2 are expected to launch together no earlier than July 10, 2024.3 Intelsat expects the LEOP period to last approximately 45 days.

The ASBM 1 and ASBM 2 satellites will operate in the same highly elliptical, three apogee orbit with apogees of 69° E.L., 189° E.L., and 309° E.L. Intelsat will communicate with the satellites only when they are in view of its antenna.
« Last Edit: 06/22/2024 07:53 pm by zubenelgenubi »
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Offline Galactic Penguin SST

After Group 9-1 comes...Group 9-2.

R0139/24 NOTAMN
Q) SCIZ/QRDCA/IV/BO/W/000/999/4100S11910W715
A) SCIZ B) 2406240524 C) 2406280918
D) JUN 24 BTN 0524-0952 JUN 25 BTN 0501-0929 JUN 26 BTN 0537-1005
JUN 27 BTN 0513-0941 JUN 28 BTN 0450-0918
E)
ZONE ...D... SECT WEST PACIFIC DUE TO RE-ENTRY SPACEX STARLINK 9-2
STAGE 2
.
REENTRY ACTIVITY. THE AREA IS BOUNDED BY GEO COORD:
1500S 10724W
1500S 10441W
3122S 09024W
3420S 09024W
1500S 10724W
INSTRUCTIONS: SANTIAGO OCEANIC CONTROL 10024 KHZ FANS 1A EQUIPPED
ACFT LOG ON SCEZ
INFO PROVIDED BY SPACE X OPS, USA
F) SFC G) UNL
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Offline Ken the Bin

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NGA Space Debris notice that is effectively a Rocket Launching notice.

Expected primary launch window from the notice is 03:45-07:45 UTC.

Quote from: NGA
200906Z JUN 24
NAVAREA XII 446/24(21).
EASTERN NORTH PACIFIC.
MEXICO.
1. HAZARDOUS OPERATIONS, SPACE DEBRIS
   240345Z TO 240816Z, 250322Z TO 250753Z,
   260358Z TO 260829Z, 270334Z TO 270805Z
   AND 280311Z TO 280742Z JUN
   IN AREA BOUND BY
   30-04.00N 116-28.00W, 29-42.00N 116-06.00W,
   29-18.00N 115-56.00W, 28-58.00N 116-22.00W,
   29-12.00N 116-48.00W, 29-32.00N 117-06.00W,
   30-35.00N 117-24.00W, 30-41.00N 117-23.00W,
   30-34.00N 117-10.00W.
2. CANCEL THIS MSG 280842Z JUN 24.//

Offline OneSpeed

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After Group 9-1 comes...Group 9-2.

NGA Space Debris notice that is effectively a Rocket Launching notice.

Maps from the NGA notices. ASDS 642km downrange.

Offline Ron Lee

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As rsmath noted for Starlink 9-1, this launch starts out being even better in that the 8:45 PM PDT launch time allows California folks to see the jellyfish as well as people further east.

For the Los Angeles area here are the sun events for 18 June 2024 (close enough for 23 June)

Sunset:  8:07 PM PDT
Civil twilight:  8:37 PM PDT
Nautical twilight:  9:13 PM PDT
Astronomical twilight:  9:52 PM PDT

As a rough starting point, a launch at civil twilight may allow the ground observer to have adequately dark skies to see the plume.  It would be much better (darker sky on the ground) as the launch gets later. At some point, the second stage (and exhaust plume) would no longer be sunlit during the second stage burn.  That time is unknown to me but let us assume about 9:35 PM PDT.

Here is a positive.  For a given launch time that has the second stage in sunlight, the further east you go the darker the skies are on the ground, which would make a better visual experience.

To illustrate that, here are the sun events for Artesia, NM where the launch jellyfish has been seen:

Sunset:   8:08 PM MDT
Civil twilight:  8:37 PM MDT
Nautical twilight:  9:12 PM MDT
Astronomical twilight:  9:50 PM MDT

An 8:45 PM PDT launch is 9:45 PM MDT in Artesia which is astronomical twilight.  Much better viewing conditions (darker sky) in this more eastern area. 

I use https://www.sunrisesunset.com/ to determine sun events (sunset/twilight) for various locations.  Use the "Search USA" link on the left to input your location and select months and year.  Then after it creates a calendar go back to the bottom left and select "Modify Settings" and scroll down to choose whichever twilight settings you want and again scroll down and select "Make Calendar."

Watching the Starlink 9-1 video, I estimate orbital (launch) sunset at about T+06:30.  For Starlink 9-2, that should be a little sooner and expect dimming of the plume at some point earlier...perhaps T+05:30 (plus or minus).
« Last Edit: 06/21/2024 03:03 pm by Ron Lee »

Offline Galactic Penguin SST

Well after a long time pause B1075 is back:

https://www.spacex.com/launches/mission/?missionId=sl-9-2

Quote
SpaceX is targeting Sunday, June 23 for a Falcon 9 launch of 20 Starlink satellites, including 13 with Direct to Cell capabilities, to low-Earth orbit from Space Launch Complex 4 East (SLC-4E) at Vandenberg Space Force Station in California. Liftoff is targeted for 8:45 p.m. PT, with backup opportunities available until 12:45 p.m. PT on Monday, June 24. If needed, additional opportunities are also available on Monday, June 24 starting at 8:22 p.m. ET.

A live webcast of this mission will begin on X @SpaceX about five minutes prior to liftoff. Watch live.

This is the 11th flight for the first stage booster supporting this mission, which previously launched SDA-0A, SARah-2, and eight Starlink missions. (=B1075-11) Following stage separation, the first stage will land on the Of Course I Still Love You droneship, which will be stationed in the Pacific Ocean.

https://twitter.com/SpaceX/status/1804278916045254704
Quote
Targeting Sunday, June 23 for back-to-back Falcon 9 launches of @Starlink satellites from Florida and California → http://spacex.com/launches
« Last Edit: 06/22/2024 02:44 pm by zubenelgenubi »
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Offline Steven Pietrobon

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PDF of online press kit and link to X livestream.

https://x.com/i/broadcasts/1djGXNNVrDNxZ
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline catdlr

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Here is a consolidated post of available video links for this launch:

SpaceX direct live broadcast on Twitter:  https://x.com/i/broadcasts/1djGXNNVrDNxZ

Space Affairs YouTube (SpaceX Re-broadcast):  https://youtube.com/watch?v=Td_ab0AE1Y0

Replay supplied by The Space Devs (15 min after the broadcast end):  https://youtube.com/@thespacedevs/videos

Summary Video provided by SciNews (15 min after the broadcast ends):  https://youtube.com/@SciNewsRo/videos
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Online zubenelgenubi

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Well after a long time pause B1075 is back:
https://www.spacex.com/launches/mission/?missionId=sl-9-2
Quote
<snip>
This is the 11th flight for the first stage booster supporting this mission, which previously launched SDA-0A, SARah-2, and eight Starlink missions. (=B1075-11) <snip>

Available first stages, with UTC date of most recent recovery:
1075.11   Mar 19
1063.19   May 14
1071.17   May 22
1081.8     May 28
« Last Edit: Today at 12:45 am by zubenelgenubi »
Support your local planetarium! (COVID-panic and forward: Now more than ever.) My current avatar is saying "i wants to go uppies!" Yes, there are God-given rights. Do you wish to gainsay the Declaration of Independence?

Lindsay C + OCISLY departed PoLB on Jun 22 @ 1:12pm PT / 4:12pm ET

Go Beyond departed PoLB on Jun 22 @ 2:38pm PT / 5:38pm ET

Offline Ken the Bin

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Primary launch opportunity = 2024-06-24 03:47:00 UTC per CelesTrak.

https://twitter.com/TSKelso/status/1804786124730040528

Quote from: T.S. Kelso
CelesTrak has pre-launch SupGP data for the @Starlink Group 9-2 launch from Vandenberg SFB on 2024-06-24 at 03:47:00 UTC: https://celestrak.org/NORAD/elements/supplemental/table.php?FILE=starlink-g9-2. Deployment of 20 satellites at 04:47:19.260 UTC. Data for 2 backup launch opportunities is also provided: https://celestrak.org/NORAD/elements/supplemental/.

https://celestrak.org/NORAD/elements/supplemental/

Launch: 2024-06-24 03:47:00 UTC. Deploy: 2024-06-24 04:47:19.260 UTC.
Launch: 2024-06-24 04:41:00 UTC. Deploy: 2024-06-24 05:41:19.260 UTC.
Launch: 2024-06-24 07:41:00 UTC. Deploy: 2024-06-24 08:41:19.260 UTC.

Offline Ron Lee

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Dr Kelso's first elset is an 8:47 PM PDT launch and the SpaceX website states 8:45 PM PDT.  I am assuming that 8:47 PM PDT is correct.

Online zubenelgenubi

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https://twitter.com/SpaceX/status/1804945595402170831
Quote
Up next, teams in California are readying to launch Falcon 9 from pad 4E later today → http://spacex.com/launches/mission/?missionId=sl-9-2

Dr Kelso's first elset is an 8:47 PM PDT launch and the SpaceX website states 8:45 PM PDT.  I am assuming that 8:47 PM PDT is correct.

Yes. http://spacex.com/launches/mission/?missionId=sl-9-2
Quote
SpaceX is targeting Sunday, June 23 for a Falcon 9 launch of 20 Starlink satellites, including 13 with Direct to Cell capabilities, to low-Earth orbit from Space Launch Complex 4 East (SLC-4E) at Vandenberg Space Force Station in California. Liftoff is targeted for 8:47 p.m. PT, with backup opportunities available until 12:41 a.m. PT on Monday, June 24. If needed, additional opportunities are also available on Monday, June 24 starting at 8:22 p.m. ET.
« Last Edit: 06/23/2024 08:58 pm by zubenelgenubi »
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Offline catdlr

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Here is a consolidated post of available video links for this launch:

SpaceX direct live broadcast on Twitter:  https://x.com/i/broadcasts/1djGXNNVrDNxZ

Space Affairs YouTube (SpaceX Re-broadcast):  https://youtube.com/watch?v=Td_ab0AE1Y0

Replay supplied by The Space Devs (15 min after the broadcast end):  https://youtube.com/@thespacedevs/videos

Summary Video provided by SciNews (15 min after the broadcast ends):  https://youtube.com/@SciNewsRo/videos
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Online zubenelgenubi

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How is the weather there tonight?

Edit/add
https://twitter.com/SpaceX/status/1805076445208924508
Quote
Propellant load is underway for tonight’s launch of 20 @Starlink satellites from pad 4E in California → http://spacex.com/launches/mission/?missionId=sl-9-2
« Last Edit: 06/24/2024 03:50 am by zubenelgenubi »
Support your local planetarium! (COVID-panic and forward: Now more than ever.) My current avatar is saying "i wants to go uppies!" Yes, there are God-given rights. Do you wish to gainsay the Declaration of Independence?

Offline catdlr

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How is the weather there tonight?

Clear.
« Last Edit: 06/24/2024 03:44 am by catdlr »
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Offline catdlr

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« Last Edit: 06/24/2024 03:46 am by catdlr »
It's Tony De La Rosa, ...I don't create this stuff, I just report it.

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