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SpaceXFalcon 9 Block 5Space Launch Complex 4E, Vandenberg SFB, CA, USA

Starlink Group 15-23

Launched

September 2, 2026 · 08:42 UTC

Launch Successful
Space X Starlink Mission Patch

Image: SpaceX

Summary

SpaceX’s Falcon 9 Block 5 successfully delivered 27 Starlink satellites to orbit from Vandenberg, continuing the expansion of the space-based internet constellation.

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Vehicle
Falcon 9 Block 5 · SpaceXStarlink
Booster
  • B1063 · flight 35 · Autonomous Spaceport Drone Ship at Of Course I Still Love You · landed230/238 landed here · 28 days after its previous flight, Starlink Group 17-53 · 574 km downrange
Mission
Communications · Low Earth Orbit (LEO)for SpX
Milestone
628th Falcon 9 Block 5 flight · 102nd this yearSpaceX's 725th launch106th this yearhumanity's 7,381st orbital launch attempt208th orbital launch attempt this year

Flight preview

Simulate in Flight Club

Orbit: as tracked

304 × 309 km · 70.0°At launchearliest tracked set, 2026-09-09
70.0°Inclination
342 × 347 kmPerigee × apogeefrom mean elements
91.3 minPeriodfrom mean elements
103.3°Ascending node
14 d agoElement epoch2026-10-01 16:06 UTC · stale

STARLINK-38244 · NORAD 100534 · 2026-200A · Space-Track · tracking 1 of 27 objects

Show the numbers for orbit elements
Object
STARLINK-38244
Object ID
2026-200A
Epoch
2026-10-01 16:06:10 UTC
Mean motion
15.77562807 rev/day
Eccentricity
0.00032926
Inclination
70.0007°
Ascending node
103.2629°
Arg. of perigee
266.1043°
Mean anomaly
93.978°
Element set
999
Rev at epoch
465
B*
0.0013013233

Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO. Ascent simulated from a published stage table. Booster return drawn from padside's representative arc.

Flight timeline

23 steps, T−38 min to T+1 h 2 min
  1. T−38MGO for Prop Load
  2. T−35MStage 1 LOX Load
  3. T−35MProp Load
  4. T−16MStage 2 LOX Load
  5. T−7MEngine Chill
  6. T−1MStartup
  7. T−1MTank Press
  8. T−45SGO for Launch
  9. T−3SIgnition
  10. T−0Liftoff
  11. T+1M8SMax-Q
  12. T+2M25SMECO
  13. T+2M29SStage 2 Separation
  14. T+2M36SSES-1
  15. T+2M57SFairing Separation
  16. T+6M1SEntry Burn Startup
  17. T+6M25SEntry Burn Shutdown
  18. T+8M1SStage 1 Landing Burn
  19. T+8M24SStage 1 Landing
  20. T+8M38SSECO-1
  21. T+53M12SSES-2
  22. T+53M13SSECO-2
  23. T+1H2M4SStarlink Deployment

About this launch

Starlink Group 15-23 launched on a SpaceX Falcon 9 Block 5 from Space Launch Complex 4E, Vandenberg SFB, CA, USA on September 2, 2026 at 08:42 UTC. The launch window ran from 07:46 to 11:46 UTC. It was SpaceX's 725th launch, 106th this year and humanity's 7,381st orbital launch attempt. It was the 628th Falcon 9 Block 5 flight and the 102nd this year. Booster B1063 flew for the 35th time and landed at Of Course I Still Love You. The payload was bound for low Earth orbit (LEO). The earliest tracked orbit of STARLINK-38244, one of 27 catalogued objects, from September 9, 2026, was 304 × 309 km inclined 70.0°.

A batch of 27 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.

Official page: SpaceX

News

2 stories

Airspace and maritime notices

1 notice filed by the US Coast Guard

  • Sector San Diego, Exclusive Economic Zone (EEZ)/Space Operations/Hazardous Warning Area/Commercial (Hazardous) · Expired

    Matched by notice text · Source

Pad

Map of Space Launch Complex 4E

Space Launch Complex 4E, Vandenberg SFB, CA, USA

294th launch from Space Launch Complex 4E, 56th this year · 910th from Vandenberg SFB, CA, USA

Local pad time at liftoff: Sep 2, 1:42 AM PDT, at night

303 launches from this pad · 919 from Vandenberg SFB, CA, USA

6 days 23 hours after the previous launch from this pad

All launches from Vandenberg SFB, CA, USAOpen in maps

Updates

Launch success.

Cosmic_Penguin · Sep 2, 2026 · source

Show 6 earlier updates

  • Liftoff!

    hitura-nobad · 9/2/2026 · source

  • Unofficial Re-stream by SPACE AFFAIRS has started

    LL2 · 9/2/2026 · source

  • Now targeting Sep 02 at 08:42 UTC

    Cosmic_Penguin · 9/2/2026 · source

  • Now targeting Sep 02 at 08:18 UTC

    Cosmic_Penguin · 9/1/2026 · source

  • Now targeting Sep 02 at 07:46 UTC

    Cosmic_Penguin · 8/26/2026 · source

  • Added launch.

    Cosmic_Penguin · 8/20/2026 · source

Questions

When did Starlink Group 15-23 launch?

Starlink Group 15-23 launched on September 2, 2026 at 08:42 UTC. The launch window ran from 07:46 to 11:46 UTC.

Where can I watch Starlink Group 15-23?

Coverage: SpaceX Starlink Group 15-23; Live: SpaceX Falcon 9 rocket from West Coast with 27 satellites for Starlink internet service; SpaceX Launches Falcon 9 Starlink 15-23 from Vandenberg. Watch the replay

What rocket launched Starlink Group 15-23?

Falcon 9 Block 5, flown by SpaceX. Falcon 9 Block 5 spec sheet

Where did Starlink Group 15-23 launch from?

Space Launch Complex 4E, Vandenberg SFB, CA, USA. Liftoff was Sep 2, 1:42 AM PDT local time at the pad.

Did the booster land?

Booster B1063 flew for the 35th time and landed at Of Course I Still Love You.

What orbit did Starlink Group 15-23 reach?

The earliest tracked orbit of STARLINK-38244, one of 27 catalogued objects, from September 9, 2026, was 304 × 309 km inclined 70.0°.

Which program is Starlink Group 15-23 part of?

Starlink. About Starlink