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SpaceXFalcon 9 Block 5Launch Complex 39A, Kennedy Space Center, FL, USA

Starlink 21

Launched

March 14, 2021 · 10:01 UTC

Launch SuccessfulWeather 90% go
Space X Starlink Mission Patch

Image: SpaceX

Summary

Starlink 21 launched on a SpaceX Falcon 9 Block 5 from Launch Complex 39A, Kennedy Space Center, FL, USA on March 14, 2021 at 10:01 UTC. It was SpaceX's 127th launch, 10th this year and humanity's 6,059th orbital launch attempt. It was the 55th Falcon 9 Block 5 flight and the 8th this year. Booster B1051 flew for the 9th time and landed at Of Course I Still Love You. The payload was bound for low Earth orbit (LEO). The tracked orbit of Starlink 2258, one of 64 catalogued objects, from March 22, 2021, was 312 × 313 km inclined 53.1°. 64 objects from this launch are catalogued, 60 of them payloads.

Watch
Vehicle
Falcon 9 Block 5 · SpaceXStarlink
Booster
  • B1051 · flight 9 · Autonomous Spaceport Drone Ship at Of Course I Still Love You · landed209/217 landed here · 52 days after its previous flight, Starlink 16 · 634 km downrange
Mission
Communications · Low Earth Orbit (LEO)
Milestone
55th Falcon 9 Block 5 flight · 8th this yearSpaceX's 127th launch10th this yearhumanity's 6,059th orbital launch attempt22nd orbital launch attempt this year

Webcast

Replay
Watch on YouTube

Flight preview

Orbit: as tracked

53.1°Inclination
312 × 313 kmPerigee × apogeefrom mean elements
90.6 minPeriodfrom mean elements
176.4°Ascending node
2033 d agoElement epoch2021-03-22 20:00 UTC · stale

Starlink 2258 · NORAD 47860 · 2021-021 · Space-Track · tracking 1 of 64 objects

Show the numbers for orbit elements
Object
TBA - TO BE ASSIGNED
Object ID
2021-023A
Epoch
2021-03-22 20:00:01 UTC
Mean motion
15.88987402 rev/day
Eccentricity
0.0001098
Inclination
53.0506°
Ascending node
176.4189°
Arg. of perigee
82.095°
Mean anomaly
116.4855°
Element set
999
Rev at epoch
181
B*
-0.0037353

Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO.

Catalogued objects

64 catalogued: 60 payloads, 4 components; 17 still in orbit

  • Starlink 2258 · NORAD 47860 · re-entered January 30, 2025
  • Starlink 2280 · NORAD 47861 · in orbit
  • Starlink 2291 · NORAD 47862 · re-entered September 13, 2026
  • Starlink 2293 · NORAD 47863 · re-entered April 27, 2025
  • Starlink 2304 · NORAD 47864 · re-entered February 5, 2025
  • Starlink 2310 · NORAD 47865 · re-entered March 3, 2025
  • Starlink 2320 · NORAD 47866 · re-entered February 20, 2025
  • Starlink 2321 · NORAD 47867 · re-entered February 20, 2025
  • Starlink 2323 · NORAD 47868 · re-entered May 10, 2025
  • Starlink 2324 · NORAD 47869 · re-entered December 29, 2024
  • Starlink 2326 · NORAD 47870 · in orbit
  • Starlink 2327 · NORAD 47871 · re-entered January 24, 2025
Show 48 more payloads
  • Starlink 2328 · NORAD 47872 · re-entered March 15, 2023
  • Starlink 2329 · NORAD 47873 · in orbit
  • Starlink 2330 · NORAD 47874 · in orbit
  • Starlink 2331 · NORAD 47875 · re-entered January 24, 2025
  • Starlink 2332 · NORAD 47876 · re-entered February 18, 2025
  • Starlink 2333 · NORAD 47877 · re-entered February 26, 2025
  • Starlink 2335 · NORAD 47878 · re-entered February 24, 2025
  • Starlink 2336 · NORAD 47879 · re-entered September 16, 2026
  • Starlink 2337 · NORAD 47880 · re-entered February 20, 2025
  • Starlink 2339 · NORAD 47881 · re-entered January 15, 2025
  • Starlink 2340 · NORAD 47882 · re-entered December 13, 2025
  • Starlink 2342 · NORAD 47883 · re-entered August 9, 2026
  • Starlink 2343 · NORAD 47884 · in orbit
  • Starlink 2344 · NORAD 47885 · re-entered March 3, 2025
  • Starlink 2345 · NORAD 47886 · re-entered September 27, 2023
  • Starlink 2346 · NORAD 47887 · in orbit
  • Starlink 2348 · NORAD 47888 · re-entered April 23, 2025
  • Starlink 2349 · NORAD 47889 · re-entered January 13, 2025
  • Starlink 2350 · NORAD 47890 · re-entered March 11, 2023
  • Starlink 2351 · NORAD 47891 · re-entered December 30, 2024
  • Starlink 2352 · NORAD 47892 · re-entered March 11, 2025
  • Starlink 2353 · NORAD 47893 · re-entered July 11, 2021
  • Starlink 2354 · NORAD 47894 · in orbit
  • Starlink 2355 · NORAD 47895 · in orbit
  • Starlink 2356 · NORAD 47896 · in orbit
  • Starlink 2357 · NORAD 47897 · re-entered September 3, 2024
  • Starlink 2358 · NORAD 47898 · in orbit
  • Starlink 2359 · NORAD 47899 · re-entered October 18, 2023
  • Starlink 2360 · NORAD 47900 · re-entered August 1, 2024
  • Starlink 2361 · NORAD 47901 · in orbit
  • Starlink 2362 · NORAD 47902 · re-entered January 20, 2025
  • Starlink 2363 · NORAD 47903 · re-entered July 7, 2026
  • Starlink 2364 · NORAD 47904 · in orbit
  • Starlink 2365 · NORAD 47905 · re-entered February 4, 2025
  • Starlink 2366 · NORAD 47906 · re-entered June 26, 2023
  • Starlink 2367 · NORAD 47907 · in orbit
  • Starlink 2368 · NORAD 47908 · re-entered December 23, 2025
  • Starlink 2369 · NORAD 47909 · re-entered January 27, 2025
  • Starlink 2370 · NORAD 47910 · in orbit
  • Starlink 2371 · NORAD 47911 · in orbit
  • Starlink 2372 · NORAD 47912 · re-entered March 7, 2025
  • Starlink 2374 · NORAD 47913 · re-entered January 26, 2025
  • Starlink 2375 · NORAD 47914 · re-entered January 21, 2025
  • Starlink 2376 · NORAD 47915 · re-entered May 15, 2024
  • Starlink 2378 · NORAD 47916 · in orbit
  • Starlink 2397 · NORAD 47917 · re-entered March 13, 2025
  • Starlink 2398 · NORAD 47918 · re-entered February 12, 2025
  • Starlink 2405 · NORAD 47919 · in orbit

Data from J. McDowell, planet4589.org

About this launch

A batch of 60 satellites for Starlink mega-constellation - SpaceX's project for space-based Internet communication system.

Related page: www.spacex.com

Pad

Map of Launch Complex 39A

Launch Complex 39A, Kennedy Space Center, FL, USA

128th launch from Launch Complex 39A, 3rd this year · 185th from Kennedy Space Center, FL, USA

Local pad time at liftoff: Mar 14, 6:01 AM EDT, at night

224 launches from this pad · 283 from Kennedy Space Center, FL, USA

10 days after the previous launch from this pad

All launches from Kennedy Space Center, FL, USAOpen in maps

Updates

Successful launch of 60 Starlink satellites.

Nosu · Mar 14, 2021 · source

Show 4 earlier updates

  • Updating launch time and booster core

    JRascagneres · 3/13/2021 · source

  • Now targeting March 14 at 9:44 UTC

    Nosu · 3/11/2021 · source

  • Weather 90%

    SwGustav · 3/11/2021 · source

  • Adding the launch

    SwGustav · 3/6/2021 · source

Questions

When did Starlink 21 launch?

Starlink 21 launched on March 14, 2021 at 10:01 UTC.

Where can I watch Starlink 21?

Coverage: Falcon 9 Starlink 21; Starlink Mission. Watch the replay

What rocket launched Starlink 21?

Falcon 9 Block 5, flown by SpaceX. Falcon 9 Block 5 spec sheet

Where did Starlink 21 launch from?

Launch Complex 39A, Kennedy Space Center, FL, USA. Liftoff was Mar 14, 6:01 AM EDT local time at the pad.

Did the booster land?

Booster B1051 flew for the 9th time and landed at Of Course I Still Love You.

What orbit did Starlink 21 reach?

The tracked orbit of Starlink 2258, one of 64 catalogued objects, from March 22, 2021, was 312 × 313 km inclined 53.1°.

How many satellites did Starlink 21 launch?

60 payloads from this launch are catalogued, 17 of them still in orbit (Data from J. McDowell, planet4589.org).

Which program is Starlink 21 part of?

Starlink. About Starlink