SpaceXFalcon 9 Block 5Space Launch Complex 4E, Vandenberg SFB, CA, USA
Starlink Group 2-4
Launched
January 19, 2023 · 15:43 UTC
Image: SpaceX
Summary
Starlink Group 2-4 launched on a SpaceX Falcon 9 Block 5 from Space Launch Complex 4E, Vandenberg SFB, CA, USA on January 19, 2023 at 15:43 UTC. It was SpaceX's 218th launch, 5th this year and humanity's 6,380th orbital launch attempt. It was the 142nd Falcon 9 Block 5 flight and the 4th this year. Booster B1075 flew for the 1st time and landed at Of Course I Still Love You. The payload was bound for low Earth orbit (LEO). The tracked orbit of Starlink 5277, one of 55 catalogued objects, from January 24, 2023, was 271 × 323 km inclined 70.0°. 55 objects from this launch are catalogued, 51 of them payloads.
- Watch
- Starlink MissionSpaceX
- Vehicle
- Falcon 9 Block 5 · SpaceXStarlink
- Booster
- B1075 · flight 1 · Autonomous Spaceport Drone Ship at Of Course I Still Love You · landed209/217 landed here · 662 km downrange
- Mission
- Communications · Low Earth Orbit (LEO)
- Milestone
- 142nd Falcon 9 Block 5 flight · 4th this yearSpaceX's 218th launch5th this yearhumanity's 6,380th orbital launch attempt12th orbital launch attempt this year
Webcast
Flight preview
Simulate in Flight ClubOrbit: as tracked
Starlink 5277 · NORAD 55269 · 2023-010 · Space-Track · tracking 1 of 55 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2023-010A
- Epoch
- 2023-01-24 16:00:00 UTC
- Mean motion
- 15.94400723 rev/day
- Eccentricity
- 0.0038787
- Inclination
- 69.9996°
- Ascending node
- 55.2051°
- Arg. of perigee
- 163.8544°
- Mean anomaly
- 351.9259°
- Element set
- 999
- Rev at epoch
- 130
- B*
- -0.0021951
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO.
Catalogued objects
55 catalogued: 51 payloads, 4 components; 46 still in orbit
- Starlink 5277 · NORAD 55269 · in orbit
- Starlink 5301 · NORAD 55270 · re-entered February 25, 2025
- Starlink 5306 · NORAD 55271 · in orbit
- Starlink 5310 · NORAD 55272 · in orbit
- Starlink 5291 · NORAD 55273 · in orbit
- Starlink 5236 · NORAD 55274 · in orbit
- Starlink 5260 · NORAD 55275 · in orbit
- Starlink 5261 · NORAD 55276 · in orbit
- Starlink 5299 · NORAD 55277 · in orbit
- Starlink 5289 · NORAD 55278 · in orbit
- Starlink 5323 · NORAD 55279 · re-entered July 11, 2025
- Starlink 5331 · NORAD 55280 · in orbit
Show 39 more payloads
- Starlink 5298 · NORAD 55281 · in orbit
- Starlink 5330 · NORAD 55282 · in orbit
- Starlink 5317 · NORAD 55283 · in orbit
- Starlink 5337 · NORAD 55284 · in orbit
- Starlink 5332 · NORAD 55285 · in orbit
- Starlink 5338 · NORAD 55286 · in orbit
- Starlink 5341 · NORAD 55287 · in orbit
- Starlink 5311 · NORAD 55288 · in orbit
- Starlink 5320 · NORAD 55289 · in orbit
- Starlink 5266 · NORAD 55290 · in orbit
- Starlink 5327 · NORAD 55291 · in orbit
- Starlink 5325 · NORAD 55292 · in orbit
- Starlink 5287 · NORAD 55293 · in orbit
- Starlink 5286 · NORAD 55294 · in orbit
- Starlink 5293 · NORAD 55295 · in orbit
- Starlink 5285 · NORAD 55296 · in orbit
- Starlink 5284 · NORAD 55297 · in orbit
- Starlink 5272 · NORAD 55298 · re-entered September 23, 2024
- Starlink 5270 · NORAD 55299 · in orbit
- Starlink 5308 · NORAD 55300 · in orbit
- Starlink 5319 · NORAD 55301 · re-entered January 31, 2023
- Starlink 5321 · NORAD 55302 · in orbit
- Starlink 5322 · NORAD 55303 · in orbit
- Starlink 5318 · NORAD 55304 · in orbit
- Starlink 5316 · NORAD 55305 · in orbit
- Starlink 5295 · NORAD 55306 · in orbit
- Starlink 5288 · NORAD 55307 · in orbit
- Starlink 5292 · NORAD 55308 · re-entered April 16, 2025
- Starlink 5315 · NORAD 55309 · in orbit
- Starlink 5309 · NORAD 55310 · in orbit
- Starlink 5312 · NORAD 55311 · in orbit
- Starlink 5296 · NORAD 55312 · in orbit
- Starlink 5313 · NORAD 55313 · in orbit
- Starlink 5305 · NORAD 55314 · in orbit
- Starlink 4623 · NORAD 55315 · in orbit
- Starlink 5257 · NORAD 55316 · in orbit
- Starlink 5265 · NORAD 55317 · in orbit
- Starlink 5180 · NORAD 55318 · in orbit
- Starlink 5196 · NORAD 55319 · in orbit
Data from J. McDowell, planet4589.org
About this launch
A batch of satellites for Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Pad
Space Launch Complex 4E, Vandenberg SFB, CA, USA
101st launch from Space Launch Complex 4E, 1st this year · 710th from Vandenberg SFB, CA, USA
Local pad time at liftoff: Jan 19, 7:43 AM PST, in daylight
303 launches from this pad · 919 from Vandenberg SFB, CA, USA
20 days after the previous launch from this pad
Updates
Successful launch of 51 Starlink satellites
Show 9 earlier updates
End of live coverage. Starlink stack deployment at T+00:29:03
Nosu · 1/19/2023 · source
Liftoff
Nosu · 1/19/2023 · source
Webcast live
Nosu · 1/19/2023 · source
Adding seconds to T-0
Nosu · 1/19/2023 · source
New T-0
Cosmic_Penguin · 1/19/2023 · source
GO for launch
Cosmic_Penguin · 1/18/2023 · source
Updating T-0
Nosu · 1/15/2023 · source
Targeting January 19
Nosu · 1/14/2023 · source
Adjusting T-0
Nosu · 1/14/2023 · source
Questions
When did Starlink Group 2-4 launch?
Starlink Group 2-4 launched on January 19, 2023 at 15:43 UTC.
Where can I watch Starlink Group 2-4?
Coverage: Starlink Mission. Watch the replay
What rocket launched Starlink Group 2-4?
Falcon 9 Block 5, flown by SpaceX. Falcon 9 Block 5 spec sheet
Where did Starlink Group 2-4 launch from?
Space Launch Complex 4E, Vandenberg SFB, CA, USA. Liftoff was Jan 19, 7:43 AM PST local time at the pad.
Did the booster land?
Booster B1075 flew for the 1st time and landed at Of Course I Still Love You.
What orbit did Starlink Group 2-4 reach?
The tracked orbit of Starlink 5277, one of 55 catalogued objects, from January 24, 2023, was 271 × 323 km inclined 70.0°.
How many satellites did Starlink Group 2-4 launch?
51 payloads from this launch are catalogued, 46 of them still in orbit (Data from J. McDowell, planet4589.org).
Which program is Starlink Group 2-4 part of?
Starlink. About Starlink