CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1981-0494
COSMOS 1309
COSMOS 1309 (NORAD 12837) landed on 1 October 1981, after 13 days in orbit.
Official date
NORAD number
12837
International designator
1981-092A
Object type
Spacecraft
Country
USSR
Launched
18 Sep 1981Plesetsk Cosmodrome
Landed (UTC)
1 Oct 1981UTC calendar day
Time in orbit
13 days13 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
13 daysAlso ended on 1 Oct 1981
1 entryFrom the same launch
1981-092Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1981-0494
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1981-0494
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.