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

Starlink Group 15-27

Launched

September 20, 2026 · 01:47 UTC

Launch Successful
Space X Starlink Mission Patch

Image: SpaceX

Summary

Falcon 9 Block 5 delivered 27 Starlink satellites to orbit, adding capacity to SpaceX’s space-based internet network.

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Vehicle
Falcon 9 Block 5 · SpaceXStarlink
Booster
  • B1093 · flight 17 · Autonomous Spaceport Drone Ship at Of Course I Still Love You · landed230/238 landed here · 42 days after its previous flight, Starlink Group 17-38 · 574 km downrange
Mission
Communications · Low Earth Orbit (LEO)for SpX
Milestone
633rd Falcon 9 Block 5 flight · 107th this yearSpaceX's 730th launch111th this yearhumanity's 7,400th orbital launch attempt227th orbital launch attempt this year

Flight preview

Simulate in Flight Club

Orbit: as tracked

267 × 273 km · 70.0°At launchearliest tracked set, 2026-09-20
70.0°Inclination
368 × 373 kmPerigee × apogeefrom mean elements
91.8 minPeriodfrom mean elements
28.8°Ascending node
23 h agoElement epoch2026-10-15 10:01 UTC

STARLINK-38381 · NORAD 100753 · 2026-219A · Space-Track · tracking 1 of 27 objects

Show the numbers for orbit elements
Object
STARLINK-38381
Object ID
2026-219A
Epoch
2026-10-15 10:01:51 UTC
Mean motion
15.68333908 rev/day
Eccentricity
0.00039769
Inclination
70.0009°
Ascending node
28.811°
Arg. of perigee
276.1159°
Mean anomaly
83.9583°
Element set
999
Rev at epoch
401
B*
0.0020644347

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 simulated from the stage table, holding 40 t in reserve.

Flight timeline

23 steps, T−38 min to T+1 h 1 min
  1. T−38MGO for Prop Load
  2. T−35MProp Load
  3. T−35MStage 1 LOX 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+2M26SMECO
  13. T+2M29SStage 2 Separation
  14. T+2M36SSES-1
  15. T+2M58SFairing Separation
  16. T+6M1SEntry Burn Startup
  17. T+6M24SEntry Burn Shutdown
  18. T+8M1SStage 1 Landing Burn
  19. T+8M23SStage 1 Landing
  20. T+8M39SSECO-1
  21. T+53M3SSES-2
  22. T+53M4SSECO-2
  23. T+1H1M55SStarlink Deployment

About this launch

Starlink Group 15-27 launched on a SpaceX Falcon 9 Block 5 from Space Launch Complex 4E, Vandenberg SFB, CA, USA on September 20, 2026 at 01:47 UTC. The launch window ran from 01:47 to 05:47 UTC. It was SpaceX's 730th launch, 111th this year and humanity's 7,400th orbital launch attempt. It was the 633rd Falcon 9 Block 5 flight and the 107th this year. Booster B1093 flew for the 17th time and landed at Of Course I Still Love You. The payload was bound for low Earth orbit (LEO). STARLINK-38381, one of 27 catalogued objects, reached a 267 × 273 km orbit 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

298th launch from Space Launch Complex 4E, 60th this year · 914th from Vandenberg SFB, CA, USA

Local pad time at liftoff: Sep 19, 6:47 PM PDT, in daylight

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

3 days after the previous launch from this pad

All launches from Vandenberg SFB, CA, USAOpen in maps

Updates

Launch success.

Cosmic_Penguin · Sep 20, 2026 · source

Show 4 earlier updates

  • Liftoff.

    Cosmic_Penguin · 9/20/2026 · source

  • Unofficial Re-stream by SPACE AFFAIRS has started

    LL2 · 9/20/2026 · source

  • Launch time is to the second.

    Cosmic_Penguin · 9/20/2026 · source

  • Added launch.

    Cosmic_Penguin · 9/8/2026 · source

Questions

When did Starlink Group 15-27 launch?

Starlink Group 15-27 launched on September 20, 2026 at 01:47 UTC. The launch window ran from 01:47 to 05:47 UTC.

Where can I watch Starlink Group 15-27?

Coverage: SpaceX Starlink Group 15-27; SpaceX Falcon 9 rocket launches from California with 27 Starlink satellites; Starlink Mission. Watch the replay

What rocket launched Starlink Group 15-27?

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

Where did Starlink Group 15-27 launch from?

Space Launch Complex 4E, Vandenberg SFB, CA, USA. Liftoff was Sep 19, 6:47 PM PDT local time at the pad.

Did the booster land?

Booster B1093 flew for the 17th time and landed at Of Course I Still Love You.

What orbit did Starlink Group 15-27 reach?

STARLINK-38381, one of 27 catalogued objects, reached a 267 × 273 km orbit inclined 70.0°.

Which program is Starlink Group 15-27 part of?

Starlink. About Starlink