CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2025-1053
COSMOS 1825
COSMOS 1825 (NORAD 17566) re-entered Earth’s atmosphere on 19 May 2025 over the South Pacific Ocean, after 38 years, 2 months in orbit.
Official date
NORAD number
17566
International designator
1987-024A
Object type
Spacecraft
Country
USSR
Launched
3 Mar 1987Plesetsk Cosmodrome
Re-entered (UTC)
19 May 2025Recorded time 13:58 UTC
Time in orbit
38 years, 2 months13,957 days
How it ended
Re-entered (natural decay)
Latitude range
82.4°N to 82.4°SFinal inclination 82.4°
Mass
1,750 kg
Operator
GRU
Built by
Southern SDB
Bus
Tselina-D
Programme
Tselina-D
Where it came down
Recorded positionRecorded position 7.0°S, 163.0°W at 13:58 UTC. Its final orbit, inclined at 82.4°, allowed a re-entry anywhere between 82.4°N and 82.4°S.
Life in orbit
38 years, 2 monthsCOSMOS 1825’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 19 May 2025
1 entry
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2025-1053
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2025-1053
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.