CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1987-0577
COSMOS 1836
COSMOS 1836 (NORAD 17876) was deorbited in a controlled re-entry on 2 December 1987, after 7 months in orbit.
Controlled re-entryOfficial date
NORAD number
17876
International designator
1987-033A
Object type
Spacecraft
Country
USSR
Launched
16 Apr 1987Baikonur Cosmodrome
Re-entered (UTC)
2 Dec 1987UTC calendar day
Time in orbit
7 months230 days
How it ended
Deorbited (controlled re-entry)
Latitude range
64.8°N to 64.8°SFinal inclination 64.8°
Mass
3,390 kg
Operator
UNKS
Built by
TsSKB
Bus
Yantar'-4KS1
Programme
Terilen
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 64.8°, allowed a re-entry anywhere between 64.8°N and 64.8°S.
Life in orbit
7 monthsCOSMOS 1836’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1987-033
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1987-0577
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1987-0577
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.