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SpaceXFalcon 9 Block 5Space Launch Complex 40, Cape Canaveral SFS, FL, USA

Starlink 4

Launched

February 17, 2020

Launch SuccessfulWeather 90% go
Space X Starlink Mission Patch

Image: SpaceX

Summary

Starlink 4 launched on a SpaceX Falcon 9 Block 5 from Space Launch Complex 40, Cape Canaveral SFS, FL, USA on February 17, 2020. It was SpaceX's 92nd launch, 4th this year and humanity's 5,935th orbital launch attempt. It was the 25th Falcon 9 Block 5 flight and the 4th this year. Booster B1056 flew for the 4th time and its landing at Of Course I Still Love You failed. The payload was bound for low Earth orbit (LEO). The tracked orbit of Starlink 1138, one of 65 catalogued objects, from February 24, 2020, was 298 × 387 km inclined 53.0°. 65 objects from this launch are catalogued, 60 of them payloads.

Watch
Vehicle
Falcon 9 Block 5 · SpaceXStarlink
Booster
  • B1056 · flight 4 · Autonomous Spaceport Drone Ship at Of Course I Still Love You · landing failed209/217 landed here · 62 days after its previous flight, JCSAT-18/KACIFIC-1 · 629 km downrange
Mission
Communications · Low Earth Orbit (LEO)
Milestone
25th Falcon 9 Block 5 flight · 4th this yearSpaceX's 92nd launch4th this yearhumanity's 5,935th orbital launch attempt13th orbital launch attempt this year

Webcast

Replay
Watch on YouTube

Flight preview

Orbit: as tracked

53.0°Inclination
298 × 387 kmPerigee × apogeefrom mean elements
91.2 minPeriodfrom mean elements
233.7°Ascending node
2425 d agoElement epoch2020-02-24 22:00 UTC · stale

Starlink 1138 · NORAD 45178 · 2020-012 · Space-Track · tracking 1 of 65 objects

Show the numbers for orbit elements
Object
TBA - TO BE ASSIGNED
Object ID
2020-012A
Epoch
2020-02-24 22:00:00 UTC
Mean motion
15.78110493 rev/day
Eccentricity
0.0066367
Inclination
53.004°
Ascending node
233.7308°
Arg. of perigee
69.1751°
Mean anomaly
176.865°
Element set
999
Rev at epoch
177
B*
-0.00029933

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

Catalogued objects

65 catalogued: 60 payloads, 1 rocket stage, 4 components; 19 still in orbit

  • Starlink 1138 · NORAD 45178 · re-entered January 24, 2025
  • Starlink 1143 · NORAD 45179 · re-entered July 24, 2026
  • Starlink 1192 · NORAD 45180 · re-entered October 6, 2023
  • Starlink 1200 · NORAD 45181 · re-entered September 11, 2025
  • Starlink 1201 · NORAD 45182 · re-entered September 26, 2025
  • Starlink 1202 · NORAD 45183 · in orbit
  • Starlink 1205 · NORAD 45184 · re-entered March 25, 2025
  • Starlink 1216 · NORAD 45185 · in orbit
  • Starlink 1224 · NORAD 45186 · re-entered September 23, 2025
  • Starlink 1225 · NORAD 45187 · in orbit
  • Starlink 1228 · NORAD 45188 · re-entered September 15, 2025
  • Starlink 1230 · NORAD 45189 · in orbit
Show 48 more payloads
  • Starlink 1234 · NORAD 45190 · re-entered September 14, 2026
  • Starlink 1236 · NORAD 45191 · re-entered February 7, 2025
  • Starlink 1237 · NORAD 45192 · re-entered September 17, 2025
  • Starlink 1239 · NORAD 45193 · re-entered August 10, 2024
  • Starlink 1240 · NORAD 45194 · re-entered October 1, 2025
  • Starlink 1241 · NORAD 45195 · re-entered July 16, 2023
  • Starlink 1244 · NORAD 45196 · re-entered September 27, 2025
  • Starlink 1269 · NORAD 45197 · in orbit
  • Starlink 1154 · NORAD 45198 · in orbit
  • Starlink 1197 · NORAD 45199 · re-entered September 7, 2024
  • Starlink 1198 · NORAD 45200 · re-entered July 31, 2021
  • Starlink 1199 · NORAD 45201 · in orbit
  • Starlink 1203 · NORAD 45202 · re-entered April 20, 2023
  • Starlink 1204 · NORAD 45203 · re-entered January 21, 2022
  • Starlink 1206 · NORAD 45204 · re-entered September 25, 2025
  • Starlink 1208 · NORAD 45205 · re-entered October 2, 2025
  • Starlink 1209 · NORAD 45206 · in orbit
  • Starlink 1210 · NORAD 45207 · re-entered March 4, 2026
  • Starlink 1211 · NORAD 45208 · re-entered December 5, 2023
  • Starlink 1218 · NORAD 45209 · re-entered October 15, 2022
  • Starlink 1219 · NORAD 45210 · re-entered September 4, 2025
  • Starlink 1220 · NORAD 45211 · re-entered February 28, 2020
  • Starlink 1231 · NORAD 45212 · in orbit
  • Starlink 1232 · NORAD 45213 · re-entered December 13, 2023
  • Starlink 1233 · NORAD 45214 · re-entered September 7, 2024
  • Starlink 1245 · NORAD 45215 · re-entered June 25, 2024
  • Starlink 1254 · NORAD 45216 · re-entered November 26, 2021
  • Starlink 1271 · NORAD 45217 · in orbit
  • Starlink 1105 · NORAD 45218 · re-entered June 16, 2021
  • Starlink 1187 · NORAD 45219 · re-entered June 27, 2025
  • Starlink 1188 · NORAD 45220 · re-entered December 24, 2021
  • Starlink 1189 · NORAD 45221 · re-entered April 1, 2025
  • Starlink 1191 · NORAD 45222 · in orbit
  • Starlink 1212 · NORAD 45223 · in orbit
  • Starlink 1214 · NORAD 45224 · re-entered June 7, 2022
  • Starlink 1215 · NORAD 45225 · in orbit
  • Starlink 1217 · NORAD 45226 · re-entered October 20, 2025
  • Starlink 1221 · NORAD 45227 · in orbit
  • Starlink 1222 · NORAD 45228 · in orbit
  • Starlink 1226 · NORAD 45229 · in orbit
  • Starlink 1227 · NORAD 45230 · in orbit
  • Starlink 1229 · NORAD 45231 · re-entered October 23, 2022
  • Starlink 1235 · NORAD 45232 · re-entered April 10, 2025
  • Starlink 1238 · NORAD 45233 · re-entered October 5, 2025
  • Starlink 1243 · NORAD 45234 · re-entered August 31, 2024
  • Starlink 1246 · NORAD 45235 · in orbit
  • Starlink 1247 · NORAD 45236 · re-entered October 8, 2025
  • Starlink 1270 · NORAD 45237 · in orbit

Falcon 9-083 Stage 2 · re-entered March 5, 2020

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 Space Launch Complex 40

Space Launch Complex 40, Cape Canaveral SFS, FL, USA

106th launch from Space Launch Complex 40, 3rd this year · 795th from Cape Canaveral SFS, FL, USA

403 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA

19 days after the previous launch from this pad

All launches from Cape Canaveral SFS, FL, USAOpen in maps

Questions

When did Starlink 4 launch?

Starlink 4 launched on February 17, 2020. The time is known to the hour, not the minute.

Where can I watch Starlink 4?

Coverage: Starlink Mission. Watch the replay

What rocket launched Starlink 4?

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

Where did Starlink 4 launch from?

Space Launch Complex 40, Cape Canaveral SFS, FL, USA.

Did the booster land?

Booster B1056 flew for the 4th time and its landing at Of Course I Still Love You failed.

What orbit did Starlink 4 reach?

The tracked orbit of Starlink 1138, one of 65 catalogued objects, from February 24, 2020, was 298 × 387 km inclined 53.0°.

How many satellites did Starlink 4 launch?

60 payloads from this launch are catalogued, 19 of them still in orbit (Data from J. McDowell, planet4589.org).

Which program is Starlink 4 part of?

Starlink. About Starlink