SpaceXFalcon 9 Block 5Space Launch Complex 4E, Vandenberg SFB, CA, USA
Starlink Group 15-4
Launched
May 13, 2025 · 01:15 UTC
Image: SpaceX
Summary
Starlink Group 15-4 launched on a SpaceX Falcon 9 Block 5 from Space Launch Complex 4E, Vandenberg SFB, CA, USA on May 13, 2025 at 01:15 UTC. The launch window ran from 01:15 to 02:08 UTC. It was SpaceX's 507th launch, 58th this year and humanity's 6,950th orbital launch attempt. It was the 417th Falcon 9 Block 5 flight and the 56th this year. Booster B1088 flew for the 6th time and landed at Of Course I Still Love You. The payload was bound for low Earth orbit (LEO). The tracked orbit of Starlink 34012, one of 26 catalogued objects, from May 16, 2025, was 290 × 295 km inclined 70.0°. 26 objects from this launch are catalogued, all of them payloads.
- Watch
- Vehicle
- Falcon 9 Block 5 · SpaceXStarlink
- Booster
- B1088 · flight 6 · Autonomous Spaceport Drone Ship at Of Course I Still Love You · landed209/217 landed here · 39 days after its previous flight, Starlink Group 11-13 · 574 km downrange
- Mission
- Communications · Low Earth Orbit (LEO)for SpX
- Milestone
- 417th Falcon 9 Block 5 flight · 56th this yearSpaceX's 507th launch58th this yearhumanity's 6,950th orbital launch attempt101st orbital launch attempt this year
Flight preview
Simulate in Flight ClubOrbit: as tracked
Starlink 34012 · NORAD 63926 · 2025-098 · Space-Track · tracking 1 of 26 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2025-098A
- Epoch
- 2025-05-16 18:00:02 UTC
- Mean motion
- 15.95955346 rev/day
- Eccentricity
- 0.0003937
- Inclination
- 69.9974°
- Ascending node
- 315.0425°
- Arg. of perigee
- 267.0508°
- Mean anomaly
- 270.102°
- Element set
- 999
- Rev at epoch
- 178
- B*
- -0.0041324
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−1MStartup
- T−1MTank Press
- T−45SGO for Launch
- T−3SIgnition
- T−0Liftoff
- T+1M6SMax-Q
- T+2M25SMECO
- T+2M28SStage 2 Separation
- T+2M35SSES-1
- T+2M53SFairing Separation
- T+6M8SEntry Burn Startup
- T+6M31SEntry Burn Shutdown
- T+7M51SStage 1 Landing Burn
- T+8M15SStage 1 Landing
- T+8M39SSECO-1
- T+52M25SSES-2
- T+52M26SSECO-2
- T+1H1M18SStarlink Deployment
Catalogued objects
26 catalogued: 26 payloads; 26 still in orbit
- Starlink 34012 · NORAD 63926 · in orbit
- Starlink 33956 · NORAD 63927 · in orbit
- Starlink 33997 · NORAD 63928 · in orbit
- Starlink 33989 · NORAD 63929 · in orbit
- Starlink 33980 · NORAD 63930 · in orbit
- Starlink 33994 · NORAD 63931 · in orbit
- Starlink 33971 · NORAD 63932 · in orbit
- Starlink 33877 · NORAD 63933 · in orbit
- Starlink 33895 · NORAD 63934 · in orbit
- Starlink 34005 · NORAD 63935 · in orbit
- Starlink 34027 · NORAD 63936 · in orbit
- Starlink 34035 · NORAD 63937 · in orbit
Show 14 more payloads
- Starlink 33988 · NORAD 63938 · in orbit
- Starlink 34020 · NORAD 63939 · in orbit
- Starlink 34021 · NORAD 63940 · in orbit
- Starlink 34004 · NORAD 63941 · in orbit
- Starlink 34014 · NORAD 63942 · in orbit
- Starlink 33985 · NORAD 63943 · in orbit
- Starlink 33996 · NORAD 63944 · in orbit
- Starlink 34036 · NORAD 63945 · in orbit
- Starlink 34039 · NORAD 63946 · in orbit
- Starlink 34034 · NORAD 63947 · in orbit
- Starlink 33983 · NORAD 63948 · in orbit
- Starlink 33993 · NORAD 63949 · in orbit
- Starlink 33962 · NORAD 63950 · in orbit
- Starlink 33998 · NORAD 63951 · in orbit
Data from J. McDowell, planet4589.org
About this launch
A batch of 26 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Pad
Space Launch Complex 4E, Vandenberg SFB, CA, USA
192nd launch from Space Launch Complex 4E, 18th this year · 806th from Vandenberg SFB, CA, USA
Local pad time at liftoff: May 12, 6:15 PM PDT, in daylight
303 launches from this pad · 919 from Vandenberg SFB, CA, USA
3 days after the previous launch from this pad
Updates
Launch success.
Show 6 earlier updates
Liftoff.
Cosmic_Penguin · 5/13/2025 · source
Unofficial Re-stream by SPACE AFFAIRS has started
LL2 · 5/13/2025 · source
GO for launch.
Cosmic_Penguin · 5/12/2025 · source
Rescheduled for NET May 13 UTC.
Cosmic_Penguin · 5/6/2025 · source
Reverted back to NET May TBD with delay of launch of Starlink 15-3.
Cosmic_Penguin · 5/4/2025 · source
Added launch.
Cosmic_Penguin · 5/1/2025 · source
Questions
When did Starlink Group 15-4 launch?
Starlink Group 15-4 launched on May 13, 2025 at 01:15 UTC. The launch window ran from 01:15 to 02:08 UTC.
Where can I watch Starlink Group 15-4?
Coverage: SpaceX Starlink Group 15-4; SpaceX - Falcon 9 - Starlink 15-4 - SLC-4E - Vandenberg SFB - May 12, 2025; Watch live: SpaceX launches Falcon 9 rocket from California with 26 Starlink satellites onboard. Watch the replay
What rocket launched Starlink Group 15-4?
Falcon 9 Block 5, flown by SpaceX. Falcon 9 Block 5 spec sheet
Where did Starlink Group 15-4 launch from?
Space Launch Complex 4E, Vandenberg SFB, CA, USA. Liftoff was May 12, 6:15 PM PDT local time at the pad.
Did the booster land?
Booster B1088 flew for the 6th time and landed at Of Course I Still Love You.
What orbit did Starlink Group 15-4 reach?
The tracked orbit of Starlink 34012, one of 26 catalogued objects, from May 16, 2025, was 290 × 295 km inclined 70.0°.
How many satellites did Starlink Group 15-4 launch?
26 payloads from this launch are catalogued, 26 of them still in orbit (Data from J. McDowell, planet4589.org).
Which program is Starlink Group 15-4 part of?
Starlink. About Starlink