SpaceXFalcon 9 Block 5Launch Complex 39A, Kennedy Space Center, FL, USA
Starlink Group 6-99
Launched
December 17, 2025 · 13:42 UTC
Image: SpaceX
Summary
Starlink Group 6-99 launched on a SpaceX Falcon 9 Block 5 from Launch Complex 39A, Kennedy Space Center, FL, USA on December 17, 2025 at 13:42 UTC. The launch window ran from 12:19 to 16:19 UTC. It was SpaceX's 618th launch, 169th this year and humanity's 7,159th orbital launch attempt. It was the 525th Falcon 9 Block 5 flight and the 164th this year. Booster B1094 flew for the 6th time and landed at Just Read the Instructions. The payload was bound for low Earth orbit (LEO). Starlink 35755, one of 29 catalogued objects, reached a 270 × 286 km orbit inclined 43.0°. 29 objects from this launch are catalogued, all of them payloads.
- Watch
- SpaceX Starlink Group 6-99The Space Devs
- Watch Live: SpaceX launches Starlink satellites on Falcon 9 rocket from NASA's Kennedy Space CenterSpaceflight Now
- SpaceX Falcon 9 launches Starlink 6-99NASASpaceflight
- Vehicle
- Falcon 9 Block 5 · SpaceXStarlink
- Booster
- B1094 · flight 6 · Autonomous Spaceport Drone Ship at Just Read the Instructions · landed156/157 landed here · 41 days after its previous flight, Starlink Group 6-81 · 600 km downrange
- Mission
- Communications · Low Earth Orbit (LEO)for SpX
- Milestone
- 525th Falcon 9 Block 5 flight · 164th this yearSpaceX's 618th launch169th this yearhumanity's 7,159th orbital launch attempt310th orbital launch attempt this year
Flight preview
Simulate in Flight ClubOrbit: as tracked
Starlink 35755 · NORAD 67163 · 2025-303 · Space-Track · tracking 1 of 29 objects
Show the numbers for orbit elements
- Object
- STARLINK-35755
- Object ID
- 2025-303A
- Epoch
- 2025-12-17 14:36:01 UTC
- Mean motion
- 16.01284782 rev/day
- Eccentricity
- 0.00115
- Inclination
- 43.01°
- Ascending node
- 69.0834°
- Arg. of perigee
- 323.65°
- Mean anomaly
- 9.48°
- Element set
- 999
- Rev at epoch
- 1
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO. Ascent drawn from padside's representative profile. Booster return drawn from padside's representative arc.
Flight timeline
- T+1M12SMax-Q
- T+2M24SMECO
- T+2M27SStage 2 Separation
- T+2M35SSES-1
- T+2M56SFairing Separation
- T+6M7SEntry Burn Startup
- T+6M34SEntry Burn Shutdown
- T+7M59SStage 1 Landing Burn
- T+8M23SStage 1 Landing
- T+8M38SSECO-1
- T+53M49SSES-2
- T+53M51SSECO-2
- T+1H4M56SStarlink Deployment
Catalogued objects
29 catalogued: 29 payloads; 29 still in orbit
- Starlink 35755 · NORAD 67163 · in orbit
- Starlink 36201 · NORAD 67164 · in orbit
- Starlink 36186 · NORAD 67165 · in orbit
- Starlink 36174 · NORAD 67166 · in orbit
- Starlink 36198 · NORAD 67167 · in orbit
- Starlink 35903 · NORAD 67168 · in orbit
- Starlink 35839 · NORAD 67169 · in orbit
- Starlink 35863 · NORAD 67170 · in orbit
- Starlink 35771 · NORAD 67171 · in orbit
- Starlink 35762 · NORAD 67172 · in orbit
- Starlink 36183 · NORAD 67173 · in orbit
- Starlink 36210 · NORAD 67174 · in orbit
Show 17 more payloads
- Starlink 35756 · NORAD 67175 · in orbit
- Starlink 35785 · NORAD 67176 · in orbit
- Starlink 35853 · NORAD 67177 · in orbit
- Starlink 35878 · NORAD 67178 · in orbit
- Starlink 35793 · NORAD 67179 · in orbit
- Starlink 35876 · NORAD 67180 · in orbit
- Starlink 35766 · NORAD 67181 · in orbit
- Starlink 35782 · NORAD 67182 · in orbit
- Starlink 35719 · NORAD 67183 · in orbit
- Starlink 35910 · NORAD 67184 · in orbit
- Starlink 35859 · NORAD 67185 · in orbit
- Starlink 35857 · NORAD 67186 · in orbit
- Starlink 35880 · NORAD 67187 · in orbit
- Starlink 35675 · NORAD 67188 · in orbit
- Starlink 35889 · NORAD 67189 · in orbit
- Starlink 35888 · NORAD 67190 · in orbit
- Starlink 35716 · NORAD 67191 · in orbit
Data from J. McDowell, planet4589.org
About this launch
A batch of 29 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Pad
Launch Complex 39A, Kennedy Space Center, FL, USA
221st launch from Launch Complex 39A, 27th this year · 279th from Kennedy Space Center, FL, USA
Local pad time at liftoff: Dec 17, 8:42 AM EST, in daylight
224 launches from this pad · 283 from Kennedy Space Center, FL, USA
8 days 15 hours after the previous launch from this pad
Updates
Launch success.
Show 9 earlier updates
Unofficial Re-stream by SPACE AFFAIRS has started
LL2 · 12/17/2025 · source
Liftoff.
Cosmic_Penguin · 12/17/2025 · source
Unofficial Re-stream by SPACE AFFAIRS has started
LL2 · 12/17/2025 · source
Now targeting Dec 17 at 13:42 UTC
Cosmic_Penguin · 12/17/2025 · source
Now targeting Dec 17 at 12:19 UTC
Cosmic_Penguin · 12/15/2025 · source
Confirmed rescheduled for December 16.
Cosmic_Penguin · 12/15/2025 · source
Delayed to December 16, to be officially confirmed.
Cosmic_Penguin · 12/15/2025 · source
Updated launch weather, 40% GO at start of window (80% at end).
Cosmic_Penguin · 12/13/2025 · source
Now targeting Dec 15 at 13:11 UTC
Cosmic_Penguin · 12/9/2025 · source
Questions
When did Starlink Group 6-99 launch?
Starlink Group 6-99 launched on December 17, 2025 at 13:42 UTC. The launch window ran from 12:19 to 16:19 UTC.
Where can I watch Starlink Group 6-99?
Coverage: SpaceX Starlink Group 6-99; Watch Live: SpaceX launches Starlink satellites on Falcon 9 rocket from NASA's Kennedy Space Center; SpaceX Falcon 9 launches Starlink 6-99. Watch the replay
What rocket launched Starlink Group 6-99?
Falcon 9 Block 5, flown by SpaceX. Falcon 9 Block 5 spec sheet
Where did Starlink Group 6-99 launch from?
Launch Complex 39A, Kennedy Space Center, FL, USA. Liftoff was Dec 17, 8:42 AM EST local time at the pad.
Did the booster land?
Booster B1094 flew for the 6th time and landed at Just Read the Instructions.
What orbit did Starlink Group 6-99 reach?
Starlink 35755, one of 29 catalogued objects, reached a 270 × 286 km orbit inclined 43.0°.
How many satellites did Starlink Group 6-99 launch?
29 payloads from this launch are catalogued, 29 of them still in orbit (Data from J. McDowell, planet4589.org).
Which program is Starlink Group 6-99 part of?
Starlink. About Starlink