CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1981-0042
COSMOS 1239
COSMOS 1239 (NORAD 12140) landed on 28 January 1981, after 12 days in orbit.
Official date
NORAD number
12140
International designator
1981-004A
Object type
Spacecraft
Country
USSR
Launched
16 Jan 1981Plesetsk Cosmodrome
Landed (UTC)
28 Jan 1981UTC calendar day
Time in orbit
12 days12 days
How it ended
Landed
Latitude range
82.3°N to 82.3°SFinal inclination 82.3°
Mass
2,200 kg
Operator
VTS SA
Built by
TsSKB
Bus
Zenit-4MT
Programme
Orion
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
12 daysAlso ended on 28 Jan 1981
1 entryFrom the same launch
1981-004Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1981-0042
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1981-0042
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.