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SpaceXFalcon 9 Block 5Space Launch Complex 40, Cape Canaveral SFS, FL, USA

Starlink Group 10-39

Launched

August 21, 2026 · 15:14 UTC

Launch SuccessfulWeather 85% go
Space X Starlink Mission Patch

Image: SpaceX

Summary

SpaceX's Falcon 9 Block 5 delivered 29 Starlink satellites to orbit from Cape Canaveral, adding another batch to the constellation providing space-based internet.

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Vehicle
Falcon 9 Block 5 · SpaceXStarlink
Booster
Mission
Communications · Low Earth Orbit (LEO)for SpX
Milestone
624th Falcon 9 Block 5 flight · 98th this yearSpaceX's 720th launch101st this yearhumanity's 7,372nd orbital launch attempt199th orbital launch attempt this year

Flight preview

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Orbit: representative

LEOOrbit
28.6°Inclination
90°Launch azimuth

Target from padside's flight model. Not a catalogued object; this panel switches to the tracked orbit once the object is catalogued. Ascent drawn from padside's representative profile. Booster return drawn from padside's representative arc.

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−1MTank Press
  7. T−1MStartup
  8. T−45SGO for Launch
  9. T−3SIgnition
  10. T−0Liftoff
  11. T+1M10SMax-Q
  12. T+2M26SMECO
  13. T+2M29SStage 2 Separation
  14. T+2M36SSES-1
  15. T+2M58SFairing Separation
  16. T+6M3SEntry Burn Startup
  17. T+6M24SEntry Burn Shutdown
  18. T+8M2SStage 1 Landing Burn
  19. T+8M25SStage 1 Landing
  20. T+8M39SSECO-1
  21. T+52M6SSES-2
  22. T+52M7SSECO-2
  23. T+1H1M28SStarlink Deployment

About this launch

Starlink Group 10-39 launched on a SpaceX Falcon 9 Block 5 from Space Launch Complex 40, Cape Canaveral SFS, FL, USA on August 21, 2026 at 15:14 UTC. The launch window ran from 14:57 to 18:57 UTC. It was SpaceX's 720th launch, 101st this year and humanity's 7,372nd orbital launch attempt. It was the 624th Falcon 9 Block 5 flight and the 98th this year. Booster B1078 flew for the 30th time and landed at A Shortfall of Gravitas. The payload was bound for low Earth orbit (LEO).

A batch of 29 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.

Official page: SpaceXOfficial page: SpaceX

News

2 stories

Airspace and maritime notices

8 notices filed by the FAA and the US Coast Guard

  • FAA temporary flight restriction · 6 notices · Expired · up to 18,000 ftMatched by proximity to the pad
    • Cape Canaveral, FL, Thursday, August 20, 2026 Local — 260820 Full CS SpaceX Starlink 10-39 (X4032)

      Source

    • Cape Canaveral, FL, Thursday, August 20, 2026 Local — 260820 Full CS SpaceX Starlink 10-39 (X4032)

      Source

    • Cape Canaveral, FL, Friday, August 21, 2026 Local — 260821 Full CS SpaceX Starlink 10-39 (X4032)

      Source

    • Cape Canaveral, FL, Friday, August 21, 2026 Local — 260821 Full CS SpaceX Starlink 10-39 (X4032)

      Source

    • Cape Canaveral, FL, Saturday, August 22, 2026 Local — 260822 Full CS SpaceX Starlink 10-39 (X4032)

      Source

    • Cape Canaveral, FL, Saturday, August 22, 2026 Local — 260822 Full CS SpaceX Starlink 10-39 (X4032)

      Source

  • US Coast Guard marine safety information · 2 notices · ExpiredMatched by notice text
    • District 7, Oceanic boundary to EEZ - Sector Charleston, Exclusive Economic Zone (EEZ)/Space Operations/Hazardous Warning Area/Commercial (Hazardous)

      Source

    • Sector Jacksonville, Territorial Sea - Sector Jacksonville, Submerged Land Act (SLA)/Space Operations/Hazardous Warning Area/Commercial (Hazardous)

      Source

Pad

Map of Space Launch Complex 40

Space Launch Complex 40, Cape Canaveral SFS, FL, USA

399th launch from Space Launch Complex 40, 45th this year · 1,127th from Cape Canaveral SFS, FL, USA

Local pad time at liftoff: Aug 21, 11:14 AM EDT, in daylight

403 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA

5 days 14 hours after the previous launch from this pad

All launches from Cape Canaveral SFS, FL, USAOpen in maps

Updates

Launch success.

Cosmic_Penguin · Aug 21, 2026 · source

Show 9 earlier updates

  • Liftoff!

    hitura-nobad · 8/21/2026 · source

  • Unofficial Re-stream by SPACE AFFAIRS has started

    LL2 · 8/21/2026 · source

  • Tweaked T-0.

    Cosmic_Penguin · 8/20/2026 · source

  • Updated launch weather, 85% GO at start of window (45% at end).

    Cosmic_Penguin · 8/20/2026 · source

  • Now targeting Aug 21 at 15:14 UTC

    hitura-nobad · 8/20/2026 · source

  • Scrubbed for the day, rescheduled to August 21.

    Cosmic_Penguin · 8/20/2026 · source

  • Hold at T-28 seconds.

    Cosmic_Penguin · 8/20/2026 · source

  • Unofficial Re-stream by SPACE AFFAIRS has started

    LL2 · 8/20/2026 · source

  • Now targeting Aug 20 at 15:38 UTC

    Cosmic_Penguin · 8/19/2026 · source

Questions

When did Starlink Group 10-39 launch?

Starlink Group 10-39 launched on August 21, 2026 at 15:14 UTC. The launch window ran from 14:57 to 18:57 UTC.

Where can I watch Starlink Group 10-39?

Coverage: SpaceX Starlink Group 10-39; Live: SpaceX Falcon 9 rocket launches 29 Starlink satellites from Cape Canaveral; SpaceX Launches Falcon 9 Starlink 10-39 - Second Attempt. Watch the replay

What rocket launched Starlink Group 10-39?

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

Where did Starlink Group 10-39 launch from?

Space Launch Complex 40, Cape Canaveral SFS, FL, USA. Liftoff was Aug 21, 11:14 AM EDT local time at the pad.

Did the booster land?

Booster B1078 flew for the 30th time and landed at A Shortfall of Gravitas.

What orbit was Starlink Group 10-39 going to?

Low Earth Orbit (LEO), a communications mission.

Which program is Starlink Group 10-39 part of?

Starlink. About Starlink