CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1992-0009
COSMOS 2171
COSMOS 2171 (NORAD 21787) landed on 18 January 1992, after 1 month in orbit.
Official date
NORAD number
21787
International designator
1991-078A
Object type
Spacecraft
Country
USSR
Launched
20 Nov 1991Plesetsk Cosmodrome
Landed (UTC)
18 Jan 1992UTC calendar dayAlso recorded as 17 Jan 1992
Time in orbit
1 month59 days
How it ended
Landed
Latitude range
62.8°N to 62.8°SFinal inclination 62.8°
Mass
2,886 kg
Operator
UNKS RF
Built by
TsSKB
Bus
Yantar'-4K2
Programme
Kobal't
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 62.8°, allowed a re-entry anywhere between 62.8°N and 62.8°S.
Life in orbit
1 monthCOSMOS 2171’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 18 Jan 1992
1 entryFrom the same launch
1991-078
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1992-0009
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1992-0009
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.