CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2025-0053
STARLINK-3666
STARLINK-3666 (NORAD 51978) re-entered Earth’s atmosphere on 4 January 2025 over the South Atlantic Ocean, after 2 years, 9 months in orbit.
Official date
NORAD number
51978
International designator
2022-025Y
Object type
Spacecraft
Country
United States
Launched
9 Mar 2022Cape Canaveral
Re-entered (UTC)
4 Jan 2025Recorded time 00:10 UTC
Time in orbit
2 years, 9 months1,032 days
How it ended
Re-entered (natural decay)
Latitude range
53.2°N to 53.2°SFinal inclination 53.2°
Mass
297 kg
Operator
Built by
SpaceX
Bus
Starlink
Programme
Starlink 1.5 G4
Where it came down
Recorded positionRecorded position 53.0°S, 52.0°W at 00:10 UTC. Its final orbit, inclined at 53.2°, allowed a re-entry anywhere between 53.2°N and 53.2°S.
Life in orbit
2 years, 9 monthsSTARLINK-3666’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 4 Jan 2025
10 entriesFrom the same launch
2022-0252023-0896STARLINK-36952024-2213STARLINK-36502025-0113STARLINK-36892025-0376STARLINK-36542025-1533STARLINK-36562025-1659STARLINK-36672025-1880STARLINK-3663In orbitStarlink Group 4-10-01In orbitStarlink Group 4-10-25In orbitStarlink Group 4-10-26In orbitStarlink Group 4-10-28In orbitStarlink Group 4-10-29In orbitStarlink Group 4-10-30
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2025-0053
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2025-0053
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.