CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1981-0050
COSMOS 891
COSMOS 891 (NORAD 9801) re-entered Earth’s atmosphere on 4 February 1981, after 4 years in orbit.
Official date
NORAD number
9801
International designator
1977-006A
Object type
Spacecraft
Country
USSR
Launched
2 Feb 1977Plesetsk Cosmodrome
Re-entered (UTC)
4 Feb 1981UTC calendar day
Time in orbit
4 years1,463 days
How it ended
Re-entered (natural decay)
Latitude range
65.8°N to 65.8°SFinal inclination 65.8°
Mass
570 kg
Operator
PVO
Built by
Southern SDB
Bus
Vektor
Programme
Vektor1
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 65.8°, allowed a re-entry anywhere between 65.8°N and 65.8°S.
Life in orbit
4 yearsCOSMOS 891’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 4 Feb 1981
1 entryFrom the same launch
1977-006
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1981-0050
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1981-0050
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.