CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1981-0598
COSMOS 1146
COSMOS 1146 (NORAD 11632) re-entered Earth’s atmosphere on 25 November 1981, after 1 year, 11 months in orbit.
Official date
NORAD number
11632
International designator
1979-100A
Object type
Spacecraft
Country
USSR
Launched
5 Dec 1979Plesetsk Cosmodrome
Re-entered (UTC)
25 Nov 1981UTC calendar day
Time in orbit
1 year, 11 months721 days
How it ended
Re-entered (natural decay)
Latitude range
65.8°N to 65.8°SFinal inclination 65.8°
Mass
750 kg
Operator
PVO
Built by
Southern SDB
Bus
Taifun-1B
Programme
Yug
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
1 year, 11 monthsCOSMOS 1146’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 25 Nov 1981
5 entriesFrom the same launch
1979-100
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1981-0598
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1981-0598
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.