CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1989-0813
COSMOS 2031
COSMOS 2031 (NORAD 20136) re-entered Earth’s atmosphere on 15 September 1989, after 1 month in orbit.
Official date
NORAD number
20136
International designator
1989-056A
Object type
Spacecraft
Country
USSR
Launched
18 Jul 1989Baikonur Cosmodrome
Re-entered (UTC)
15 Sep 1989UTC calendar day
Time in orbit
1 month59 days
How it ended
Re-entered (natural decay)
Latitude range
50.5°N to 50.5°SFinal inclination 50.5°
Mass
3,590 kg
Operator
TsSKB
Built by
TsSKB
Bus
Orlets
Programme
Don
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 50.5°, allowed a re-entry anywhere between 50.5°N and 50.5°S.
Life in orbit
1 monthCOSMOS 2031’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 15 Sep 1989
1 entryFrom the same launch
1989-056
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1989-0813
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1989-0813
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.