SpaceXFalcon 9 Block 5Space Launch Complex 4E, Vandenberg SFB, CA, USA
Starlink Group 4-4
Launched
December 18, 2021
Image: SpaceX
Summary
Starlink Group 4-4 launched on a SpaceX Falcon 9 Block 5 from Space Launch Complex 4E, Vandenberg SFB, CA, USA on December 18, 2021. It was SpaceX's 150th launch, 33rd this year and humanity's 6,171st orbital launch attempt. It was the 76th Falcon 9 Block 5 flight and the 29th this year. Booster B1051 flew for the 11th time and landed at Of Course I Still Love You. The payload was bound for low Earth orbit (LEO). The tracked orbit of Starlink 3317, one of 56 catalogued objects, from December 23, 2021, was 249 × 335 km inclined 53.2°. 56 objects from this launch are catalogued, 52 of them payloads.
- Watch
- Falcon 9 Starlink 4-4The Space Devs
- Starlink MissionSpaceX
- Vehicle
- Falcon 9 Block 5 · SpaceXStarlink
- Booster
- B1051 · flight 11 · Autonomous Spaceport Drone Ship at Of Course I Still Love You · landed209/217 landed here · 223 days after its previous flight, Starlink 27 · 638 km downrange
- Mission
- Communications · Low Earth Orbit (LEO)
- Milestone
- 76th Falcon 9 Block 5 flight · 29th this yearSpaceX's 150th launch33rd this yearhumanity's 6,171st orbital launch attempt134th orbital launch attempt this year
Webcast
Flight preview
Orbit: as tracked
Starlink 3317 · NORAD 50156 · 2021-125 · Space-Track · tracking 1 of 56 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2021-125A
- Epoch
- 2021-12-23 16:00:00 UTC
- Mean motion
- 15.96129013 rev/day
- Eccentricity
- 0.0064388
- Inclination
- 53.2141°
- Ascending node
- 341.4789°
- Arg. of perigee
- 169.2583°
- Mean anomaly
- 41.8835°
- Element set
- 999
- Rev at epoch
- 362
- B*
- 0.0084592
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO.
Catalogued objects
56 catalogued: 52 payloads, 4 components; 37 still in orbit
- Starlink 3317 · NORAD 50156 · re-entered December 31, 2025
- Starlink 3313 · NORAD 50157 · re-entered November 7, 2025
- Starlink 3309 · NORAD 50158 · re-entered November 23, 2025
- Starlink 3297 · NORAD 50159 · in orbit
- Starlink 3288 · NORAD 50160 · re-entered December 21, 2024
- Starlink 3304 · NORAD 50161 · in orbit
- Starlink 3303 · NORAD 50162 · re-entered February 18, 2024
- Starlink 3306 · NORAD 50163 · in orbit
- Starlink 3307 · NORAD 50164 · re-entered June 16, 2022
- Starlink 3298 · NORAD 50165 · in orbit
- Starlink 3305 · NORAD 50166 · in orbit
- Starlink 3271 · NORAD 50167 · in orbit
Show 40 more payloads
- Starlink 3296 · NORAD 50168 · re-entered January 10, 2026
- Starlink 3301 · NORAD 50169 · in orbit
- Starlink 3245 · NORAD 50170 · in orbit
- Starlink 3286 · NORAD 50171 · in orbit
- Starlink 3287 · NORAD 50172 · in orbit
- Starlink 3289 · NORAD 50173 · in orbit
- Starlink 3292 · NORAD 50174 · in orbit
- Starlink 3291 · NORAD 50175 · in orbit
- Starlink 3293 · NORAD 50176 · in orbit
- Starlink 3282 · NORAD 50177 · in orbit
- Starlink 3284 · NORAD 50178 · re-entered February 5, 2026
- Starlink 3283 · NORAD 50179 · in orbit
- Starlink 3265 · NORAD 50180 · in orbit
- Starlink 3285 · NORAD 50181 · in orbit
- Starlink 3277 · NORAD 50182 · in orbit
- Starlink 3281 · NORAD 50183 · in orbit
- Starlink 3280 · NORAD 50184 · re-entered December 28, 2021
- Starlink 3279 · NORAD 50185 · in orbit
- Starlink 3274 · NORAD 50186 · in orbit
- Starlink 3272 · NORAD 50187 · in orbit
- Starlink 3275 · NORAD 50188 · re-entered August 13, 2025
- Starlink 3276 · NORAD 50189 · in orbit
- Starlink 3268 · NORAD 50190 · in orbit
- Starlink 3273 · NORAD 50191 · in orbit
- Starlink 3259 · NORAD 50192 · in orbit
- Starlink 3261 · NORAD 50193 · in orbit
- Starlink 3269 · NORAD 50194 · re-entered March 5, 2026
- Starlink 3266 · NORAD 50195 · in orbit
- Starlink 3263 · NORAD 50196 · re-entered May 20, 2024
- Starlink 3267 · NORAD 50197 · in orbit
- Starlink 3264 · NORAD 50198 · in orbit
- Starlink 3270 · NORAD 50199 · in orbit
- Starlink 3235 · NORAD 50200 · in orbit
- Starlink 3255 · NORAD 50201 · re-entered June 3, 2026
- Starlink 3256 · NORAD 50202 · in orbit
- Starlink 3257 · NORAD 50203 · in orbit
- Starlink 3254 · NORAD 50204 · in orbit
- Starlink 3260 · NORAD 50205 · in orbit
- Starlink 3258 · NORAD 50206 · re-entered March 23, 2026
- Starlink 3262 · NORAD 50207 · re-entered February 25, 2026
Data from J. McDowell, planet4589.org
About this launch
A batch of 52 satellites for Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Pad
Space Launch Complex 4E, Vandenberg SFB, CA, USA
87th launch from Space Launch Complex 4E, 3rd this year · 693rd from Vandenberg SFB, CA, USA
303 launches from this pad · 919 from Vandenberg SFB, CA, USA
24 days after the previous launch from this pad
Updates
Successful launch of of 52 Starlink satellites
Show 8 earlier updates
New T-0
SwGustav · 12/18/2021 · source
SpaceX confirmed static fire complete.
Cosmic_Penguin · 12/17/2021 · source
Reportedly delayed by a day
Nosu · 12/16/2021 · source
New launch time and satellite batch name.
Cosmic_Penguin · 12/15/2021 · source
Marine space closure notices filed that fits with this launch - pending SpaceX/other news sites’ confirmation.
Cosmic_Penguin · 12/13/2021 · source
Launch delayed. Reverting back to TBD October.
Nosu · 10/15/2021 · source
Updated launch date/time per marine space closure notices, awaiting confirmation by SpaceX.
Cosmic_Penguin · 10/13/2021 · source
Adding launch TBD October
Nosu · 10/1/2021 · source
Questions
When did Starlink Group 4-4 launch?
Starlink Group 4-4 launched on December 18, 2021. The time is known to the hour, not the minute.
Where can I watch Starlink Group 4-4?
Coverage: Falcon 9 Starlink 4-4; Starlink Mission. Watch the replay
What rocket launched Starlink Group 4-4?
Falcon 9 Block 5, flown by SpaceX. Falcon 9 Block 5 spec sheet
Where did Starlink Group 4-4 launch from?
Space Launch Complex 4E, Vandenberg SFB, CA, USA.
Did the booster land?
Booster B1051 flew for the 11th time and landed at Of Course I Still Love You.
What orbit did Starlink Group 4-4 reach?
The tracked orbit of Starlink 3317, one of 56 catalogued objects, from December 23, 2021, was 249 × 335 km inclined 53.2°.
How many satellites did Starlink Group 4-4 launch?
52 payloads from this launch are catalogued, 37 of them still in orbit (Data from J. McDowell, planet4589.org).
Which program is Starlink Group 4-4 part of?
Starlink. About Starlink