CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1987-0156
COSMOS 1837
COSMOS 1837 (NORAD 17880) landed on 28 April 1987, after 6 days in orbit.
Official date
NORAD number
17880
International designator
1987-035A
Object type
Spacecraft
Country
USSR
Launched
22 Apr 1987Plesetsk Cosmodrome
Landed (UTC)
28 Apr 1987UTC calendar day
Time in orbit
6 days6 days
How it ended
Landed
Latitude range
82.3°N to 82.3°SFinal inclination 82.3°
Mass
2,655 kg
Operator
UNKS
Built by
TsSKB
Bus
Oblik
Programme
Oblik
Where it came down
Latitude band its orbit allowedExact position not recorded
No position was recorded for this re-entry. Its final orbit, inclined at 82.3°, allowed a re-entry anywhere between 82.3°N and 82.3°S.
Life in orbit
6 daysFrom the same launch
1987-035
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1987-0156
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1987-0156
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.