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

Starlink Group 17-9

Launched

September 6, 2025 · 18:06 UTC

Launch Successful
Space X Starlink Mission Patch

Image: SpaceX

Summary

Starlink Group 17-9 launched on a SpaceX Falcon 9 Block 5 from Space Launch Complex 4E, Vandenberg SFB, CA, USA on September 6, 2025 at 18:06 UTC. The launch window ran from 15:42 to 19:42 UTC. It was SpaceX's 565th launch, 116th this year and humanity's 7,055th orbital launch attempt. It was the 473rd Falcon 9 Block 5 flight and the 112th this year. Booster B1075 flew for the 20th time and landed at Of Course I Still Love You. The payload was bound for low Earth orbit (LEO). The tracked orbit of Starlink 35112, one of 24 catalogued objects, from September 19, 2025, was 316 × 317 km inclined 97.6°. 24 objects from this launch are catalogued, all of them payloads.

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Vehicle
Falcon 9 Block 5 · SpaceXStarlink
Booster
  • B1075 · flight 20 · Autonomous Spaceport Drone Ship at Of Course I Still Love You · landed209/217 landed here · 41 days after its previous flight, Starlink Group 17-2 · 574 km downrange
Mission
Communications · Low Earth Orbit (LEO)for SpX
Milestone
473rd Falcon 9 Block 5 flight · 112th this yearSpaceX's 565th launch116th this yearhumanity's 7,055th orbital launch attempt206th orbital launch attempt this year

Flight preview

Simulate in Flight Club

Orbit: as tracked

97.6°Inclination
316 × 317 kmPerigee × apogeefrom mean elements
90.7 minPeriodfrom mean elements
328.0°Ascending node
391 d agoElement epoch2025-09-19 16:00 UTC · stale

Starlink 35112 · NORAD 65520 · 2025-200 · Space-Track · tracking 1 of 24 objects

Show the numbers for orbit elements
Object
TBA - TO BE ASSIGNED
Object ID
2025-200A
Epoch
2025-09-19 16:00:01 UTC
Mean motion
15.87529467 rev/day
Eccentricity
0.0001269
Inclination
97.5985°
Ascending node
327.9692°
Arg. of perigee
75.5078°
Mean anomaly
97.8278°
Element set
999
Rev at epoch
311
B*
-0.0033361083

Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO.

Flight timeline

23 steps, T−38 min to T+1 h 2 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+1M12SMax-Q
  12. T+2M25SMECO
  13. T+2M28SStage 2 Separation
  14. T+2M35SSES-1
  15. T+2M55SFairing Separation
  16. T+6M5SEntry Burn Startup
  17. T+6M29SEntry Burn Shutdown
  18. T+7M55SStage 1 Landing Burn
  19. T+8M19SStage 1 Landing
  20. T+8M39SSECO-1
  21. T+53M34SSES-2
  22. T+53M35SSECO-2
  23. T+1H2M26SStarlink Deployment

Catalogued objects

24 catalogued: 24 payloads; 24 still in orbit

  • Starlink 35112 · NORAD 65520 · in orbit
  • Starlink 35187 · NORAD 65521 · in orbit
  • Starlink 35188 · NORAD 65522 · in orbit
  • Starlink 35078 · NORAD 65523 · in orbit
  • Starlink 35055 · NORAD 65524 · in orbit
  • Starlink 35057 · NORAD 65525 · in orbit
  • Starlink 34674 · NORAD 65526 · in orbit
  • Starlink 35067 · NORAD 65527 · in orbit
  • Starlink 35063 · NORAD 65528 · in orbit
  • Starlink 35077 · NORAD 65529 · in orbit
  • Starlink 35152 · NORAD 65530 · in orbit
  • Starlink 35064 · NORAD 65531 · in orbit
Show 12 more payloads
  • Starlink 35170 · NORAD 65532 · in orbit
  • Starlink 35172 · NORAD 65533 · in orbit
  • Starlink 35125 · NORAD 65534 · in orbit
  • Starlink 35133 · NORAD 65535 · in orbit
  • Starlink 35044 · NORAD 65536 · in orbit
  • Starlink 35136 · NORAD 65537 · in orbit
  • Starlink 35144 · NORAD 65538 · in orbit
  • Starlink 35110 · NORAD 65539 · in orbit
  • Starlink 35052 · NORAD 65540 · in orbit
  • Starlink 35087 · NORAD 65541 · in orbit
  • Starlink 35100 · NORAD 65542 · in orbit
  • Starlink 35105 · NORAD 65543 · in orbit

Data from J. McDowell, planet4589.org

About this launch

A batch of 24 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.

Official page: SpaceXOfficial page: SpaceX

Pad

Map of Space Launch Complex 4E

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

214th launch from Space Launch Complex 4E, 40th this year · 828th from Vandenberg SFB, CA, USA

Local pad time at liftoff: Sep 6, 11:06 AM PDT, in daylight

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

3 days 14 hours after the previous launch from this pad

All launches from Vandenberg SFB, CA, USAOpen in maps

Updates

Launch success.

Cosmic_Penguin · Sep 6, 2025 · source

Show 5 earlier updates

  • Liftoff

    Nosu · 9/6/2025 · source

  • Unofficial Re-stream by SPACE AFFAIRS has started

    LL2 · 9/6/2025 · source

  • Now targeting Sep 06 at 18:06 UTC

    hitura-nobad · 9/6/2025 · source

  • New T-0.

    Cosmic_Penguin · 9/5/2025 · source

  • Added launch.

    Cosmic_Penguin · 8/29/2025 · source

Questions

When did Starlink Group 17-9 launch?

Starlink Group 17-9 launched on September 6, 2025 at 18:06 UTC. The launch window ran from 15:42 to 19:42 UTC.

Where can I watch Starlink Group 17-9?

Coverage: SpaceX Starlink Group 17-9; SpaceX - Falcon 9 - Starlink 17-9 - SLC-4E - Vandenberg SFB, CA - September 6, 2025; Live: SpaceX launches Starlink satellites from California on Falcon 9 rocket. Watch the replay

What rocket launched Starlink Group 17-9?

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

Where did Starlink Group 17-9 launch from?

Space Launch Complex 4E, Vandenberg SFB, CA, USA. Liftoff was Sep 6, 11:06 AM PDT local time at the pad.

Did the booster land?

Booster B1075 flew for the 20th time and landed at Of Course I Still Love You.

What orbit did Starlink Group 17-9 reach?

The tracked orbit of Starlink 35112, one of 24 catalogued objects, from September 19, 2025, was 316 × 317 km inclined 97.6°.

How many satellites did Starlink Group 17-9 launch?

24 payloads from this launch are catalogued, 24 of them still in orbit (Data from J. McDowell, planet4589.org).

Which program is Starlink Group 17-9 part of?

Starlink. About Starlink