SpaceXFalcon 9 Block 5Space Launch Complex 4E, Vandenberg SFB, CA, USA
Starlink Group 17-21
Launched
April 11, 2026 · 05:04 UTC

Image: SpaceX
Summary
Starlink Group 17-21 launched on a SpaceX Falcon 9 Block 5 from Space Launch Complex 4E, Vandenberg SFB, CA, USA on April 11, 2026 at 05:04 UTC. The launch window ran from 02:39 to 06:39 UTC. It was SpaceX's 662nd launch, 43rd this year and humanity's 7,255th orbital launch attempt. It was the 569th Falcon 9 Block 5 flight and the 43rd this year. Booster B1063 flew for the 32nd time and landed at Of Course I Still Love You. The payload was bound for low Earth orbit (LEO). The tracked orbit of Starlink 37195, one of 25 catalogued objects, from April 22, 2026, was 350 × 352 km inclined 97.3°. 25 objects from this launch are catalogued, all of them payloads.
- Watch
- SpaceX Starlink Group 17-21The Space Devs
- Starlink MissionSpaceX
- Vehicle
- Falcon 9 Block 5 · SpaceXStarlink
- Booster
- B1063 · flight 32 · Autonomous Spaceport Drone Ship at Of Course I Still Love You · landed214/222 landed here · 48 days after its previous flight, Starlink Group 17-25 · 574 km downrange
- Mission
- Communications · Low Earth Orbit (LEO)for SpX
- Milestone
- 569th Falcon 9 Block 5 flight · 43rd this yearSpaceX's 662nd launch43rd this yearhumanity's 7,255th orbital launch attempt82nd orbital launch attempt this year
Flight preview
Simulate in Flight ClubOrbit: as tracked
Starlink 37195 · NORAD 68662 · 2026-077 · Space-Track · tracking 1 of 25 objects
Show the numbers for orbit elements
- Object
- STARLINK-37195
- Object ID
- 2026-077A
- Epoch
- 2026-04-22 13:12:39 UTC
- Mean motion
- 15.75204788 rev/day
- Eccentricity
- 0.00014919
- Inclination
- 97.2842°
- Ascending node
- 343.5896°
- Arg. of perigee
- 68.458°
- Mean anomaly
- 291.6845°
- Element set
- 999
- Rev at epoch
- 181
- B*
- 0.0007767433
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−35MStage 1 LOX Load
- T−35MProp Load
- T−16MStage 2 LOX Load
- T−7MEngine Chill
- T−1MTank Press
- T−1MStartup
- T−45SGO for Launch
- T−3SIgnition
- T−0Liftoff
- T+1M9SMax-Q
- T+2M27SMECO
- T+2M30SStage 2 Separation
- T+2M37SSES-1
- T+2M56SFairing Separation
- T+6M8SEntry Burn Startup
- T+6M27SEntry Burn Shutdown
- T+7M55SStage 1 Landing Burn
- T+8M17SStage 1 Landing
- T+8M41SSECO-1
- T+52M45SSES-2
- T+52M46SSECO-2
- T+52M46SStarlink Deployment
Catalogued objects
25 catalogued: 25 payloads; 25 still in orbit
- Starlink 37195 · NORAD 68662 · in orbit
- Starlink 37222 · NORAD 68663 · in orbit
- Starlink 37153 · NORAD 68664 · in orbit
- Starlink 37171 · NORAD 68665 · in orbit
- Starlink 37109 · NORAD 68666 · in orbit
- Starlink 36295 · NORAD 68667 · in orbit
- Starlink 37221 · NORAD 68668 · in orbit
- Starlink 37302 · NORAD 68669 · in orbit
- Starlink 37298 · NORAD 68670 · in orbit
- Starlink 37224 · NORAD 68671 · in orbit
- Starlink 37296 · NORAD 68672 · in orbit
- Starlink 37316 · NORAD 68673 · in orbit
Show 13 more payloads
- Starlink 36672 · NORAD 68674 · in orbit
- Starlink 36669 · NORAD 68675 · in orbit
- Starlink 37312 · NORAD 68676 · in orbit
- Starlink 36168 · NORAD 68677 · in orbit
- Starlink 37122 · NORAD 68678 · in orbit
- Starlink 37310 · NORAD 68679 · in orbit
- Starlink 37306 · NORAD 68680 · in orbit
- Starlink 37307 · NORAD 68681 · in orbit
- Starlink 37300 · NORAD 68682 · in orbit
- Starlink 37304 · NORAD 68683 · in orbit
- Starlink 37287 · NORAD 68684 · in orbit
- Starlink 36278 · NORAD 68685 · in orbit
- Starlink 37213 · NORAD 68686 · in orbit
Data from J. McDowell, planet4589.org
About this launch
A batch of 25 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Pad

Space Launch Complex 4E, Vandenberg SFB, CA, USA
259th launch from Space Launch Complex 4E, 21st this year · 875th from Vandenberg SFB, CA, USA
Local pad time at liftoff: Apr 10, 10:04 PM PDT, at night
303 launches from this pad · 919 from Vandenberg SFB, CA, USA
4 days 2 hours after the previous launch from this pad
Updates
Launch success.
Show 9 earlier updates
Liftoff.
Cosmic_Penguin · 4/11/2026 · source
Unofficial Re-stream by SPACE AFFAIRS has started
LL2 · 4/11/2026 · source
Now targeting Apr 11 at 05:04 UTC
Cosmic_Penguin · 4/11/2026 · source
Now targeting Apr 11 at 04:40 UTC
Cosmic_Penguin · 4/11/2026 · source
Now targeting Apr 11 at 03:58 UTC
Cosmic_Penguin · 4/11/2026 · source
Now targeting Apr 11 at 03:27 UTC
Cosmic_Penguin · 4/11/2026 · source
Now targeting Apr 11 at 03:09 UTC
Cosmic_Penguin · 4/11/2026 · source
Now targeting Apr 11 at 03:01 UTC
hitura-nobad · 4/10/2026 · source
Now targeting Apr 11 at 02:39 UTC
Nosu · 4/6/2026 · source
Questions
When did Starlink Group 17-21 launch?
Starlink Group 17-21 launched on April 11, 2026 at 05:04 UTC. The launch window ran from 02:39 to 06:39 UTC.
Where can I watch Starlink Group 17-21?
Coverage: SpaceX Starlink Group 17-21; Starlink Mission. Watch the replay
What rocket launched Starlink Group 17-21?
Falcon 9 Block 5, flown by SpaceX. Falcon 9 Block 5 spec sheet
Where did Starlink Group 17-21 launch from?
Space Launch Complex 4E, Vandenberg SFB, CA, USA. Liftoff was Apr 10, 10:04 PM PDT local time at the pad.
Did the booster land?
Booster B1063 flew for the 32nd time and landed at Of Course I Still Love You.
What orbit did Starlink Group 17-21 reach?
The tracked orbit of Starlink 37195, one of 25 catalogued objects, from April 22, 2026, was 350 × 352 km inclined 97.3°.
How many satellites did Starlink Group 17-21 launch?
25 payloads from this launch are catalogued, 25 of them still in orbit (Data from J. McDowell, planet4589.org).
Which program is Starlink Group 17-21 part of?
Starlink. About Starlink
