SpaceXFalcon 9 Block 5Space Launch Complex 4E, Vandenberg SFB, CA, USA
Starlink Group 17-12
Launched
September 19, 2025 · 16:31 UTC
Image: SpaceX
Summary
Starlink Group 17-12 launched on a SpaceX Falcon 9 Block 5 from Space Launch Complex 4E, Vandenberg SFB, CA, USA on September 19, 2025 at 16:31 UTC. The launch window ran from 15:41 to 19:41 UTC. It was SpaceX's 571st launch, 122nd this year and humanity's 7,066th orbital launch attempt. It was the 479th Falcon 9 Block 5 flight and the 118th this year. Booster B1088 flew for the 10th time and landed at Of Course I Still Love You. The payload was bound for low Earth orbit (LEO). The tracked orbit of Starlink 35328, one of 24 catalogued objects, from September 26, 2025, was 297 × 301 km inclined 97.6°. 24 objects from this launch are catalogued, all of them payloads.
- Watch
- Vehicle
- Falcon 9 Block 5 · SpaceX
- Booster
- B1088 · flight 10 · Autonomous Spaceport Drone Ship at Of Course I Still Love You · landed209/217 landed here · 32 days after its previous flight, Starlink Group 17-5 · 574 km downrange
- Mission
- Communications · Low Earth Orbit (LEO)for SpX
- Milestone
- 479th Falcon 9 Block 5 flight · 118th this yearSpaceX's 571st launch122nd this yearhumanity's 7,066th orbital launch attempt217th orbital launch attempt this year
Flight preview
Simulate in Flight ClubOrbit: as tracked
Starlink 35328 · NORAD 65652 · 2025-211 · Space-Track · tracking 1 of 24 objects
Show the numbers for orbit elements
- Object
- STARLINK-35328
- Object ID
- 2025-211A
- Epoch
- 2025-09-26 02:32:18 UTC
- Mean motion
- 15.93819171 rev/day
- Eccentricity
- 0.00028854
- Inclination
- 97.5998°
- Ascending node
- 309.5992°
- Arg. of perigee
- 36.4392°
- Mean anomaly
- 323.7078°
- Element set
- 999
- Rev at epoch
- 213
- B*
- 0.0025267793
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO.
Flight timeline
- T−38MGO for Prop Load
- T−35MProp Load
- T−35MStage 1 LOX Load
- T−16MStage 2 LOX Load
- T−7MEngine Chill
- T−1MTank Press
- T−1MStartup
- T−45SGO for Launch
- T−3SIgnition
- T−0Liftoff
- T+1M12SMax-Q
- T+2M25SMECO
- T+2M28SStage 2 Separation
- T+2M35SSES-1
- T+2M54SFairing Separation
- T+6M9SEntry Burn Startup
- T+6M33SEntry Burn Shutdown
- T+7M57SStage 1 Landing Burn
- T+8M21SStage 1 Landing
- T+8M40SSECO-1
- T+53M34SSES-2
- T+53M36SSECO-2
- T+1H2M26SStarlink Deployment
Catalogued objects
24 catalogued: 24 payloads; 24 still in orbit
- Starlink 35328 · NORAD 65652 · in orbit
- Starlink 34210 · NORAD 65653 · in orbit
- Starlink 35227 · NORAD 65654 · in orbit
- Starlink 35240 · NORAD 65655 · in orbit
- Starlink 35344 · NORAD 65656 · in orbit
- Starlink 34540 · NORAD 65657 · in orbit
- Starlink 35282 · NORAD 65658 · in orbit
- Starlink 35120 · NORAD 65659 · in orbit
- Starlink 35246 · NORAD 65660 · in orbit
- Starlink 35220 · NORAD 65661 · in orbit
- Starlink 35176 · NORAD 65662 · in orbit
- Starlink 35190 · NORAD 65663 · in orbit
Show 12 more payloads
- Starlink 35201 · NORAD 65664 · in orbit
- Starlink 35115 · NORAD 65665 · in orbit
- Starlink 35181 · NORAD 65666 · in orbit
- Starlink 35361 · NORAD 65667 · in orbit
- Starlink 35351 · NORAD 65668 · in orbit
- Starlink 35353 · NORAD 65669 · in orbit
- Starlink 35359 · NORAD 65670 · in orbit
- Starlink 35194 · NORAD 65671 · in orbit
- Starlink 35198 · NORAD 65672 · in orbit
- Starlink 35177 · NORAD 65673 · in orbit
- Starlink 35254 · NORAD 65674 · in orbit
- Starlink 34749 · NORAD 65675 · 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.
Pad
Space Launch Complex 4E, Vandenberg SFB, CA, USA
217th launch from Space Launch Complex 4E, 43rd this year · 831st from Vandenberg SFB, CA, USA
Local pad time at liftoff: Sep 19, 9:31 AM PDT, in daylight
303 launches from this pad · 919 from Vandenberg SFB, CA, USA
5 days 22 hours after the previous launch from this pad
Updates
Launch success.
Show 9 earlier updates
Liftoff!
hitura-nobad · 9/19/2025 · source
Unofficial Re-stream by SPACE AFFAIRS has started
LL2 · 9/19/2025 · source
Now targeting Sep 19 at 16:31 UTC
Cosmic_Penguin · 9/19/2025 · source
Now targeting Sep 19 at 16:22 UTC
Cosmic_Penguin · 9/19/2025 · source
Now targeting Sep 19 at 15:44 UTC
Cosmic_Penguin · 9/18/2025 · source
Scrubbed for the day.
Cosmic_Penguin · 9/18/2025 · source
Now targeting Sep 18 at 16:31 UTC
Cosmic_Penguin · 9/18/2025 · source
Now targeting Sep 18 at 16:27 UTC
Cosmic_Penguin · 9/18/2025 · source
Now targeting Sep 18 at 15:43 UTC
Cosmic_Penguin · 9/17/2025 · source
Questions
When did Starlink Group 17-12 launch?
Starlink Group 17-12 launched on September 19, 2025 at 16:31 UTC. The launch window ran from 15:41 to 19:41 UTC.
Where can I watch Starlink Group 17-12?
Coverage: SpaceX Starlink Group 17-12; SpaceX - Falcon 9 - Starlink 17-12 - SLC-4E - Vandenberg SFB, CA - September 19, 2025; Watch Live: SpaceX launches 24 Starlink satellites from California on Falcon 9 rocket. Watch the replay
What rocket launched Starlink Group 17-12?
Falcon 9 Block 5, flown by SpaceX. Falcon 9 Block 5 spec sheet
Where did Starlink Group 17-12 launch from?
Space Launch Complex 4E, Vandenberg SFB, CA, USA. Liftoff was Sep 19, 9:31 AM PDT local time at the pad.
Did the booster land?
Booster B1088 flew for the 10th time and landed at Of Course I Still Love You.
What orbit did Starlink Group 17-12 reach?
The tracked orbit of Starlink 35328, one of 24 catalogued objects, from September 26, 2025, was 297 × 301 km inclined 97.6°.
How many satellites did Starlink Group 17-12 launch?
24 payloads from this launch are catalogued, 24 of them still in orbit (Data from J. McDowell, planet4589.org).