CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2002-0116
COSMOS 1785
COSMOS 1785 (NORAD 17031) re-entered Earth’s atmosphere on 28 February 2002 over the South Pacific Ocean, after 15 years, 4 months in orbit.
Official date
NORAD number
17031
International designator
1986-078A
Object type
Spacecraft
Country
USSR
Launched
15 Oct 1986Plesetsk Cosmodrome
Re-entered (UTC)
28 Feb 2002UTC calendar day
Time in orbit
15 years, 4 months5,615 days
How it ended
Re-entered (natural decay)
Latitude range
61.6°N to 61.6°SFinal inclination 61.6°
Mass
1,250 kg
Operator
PVO
Built by
Lavochkin / Kometa
Bus
Oko
Programme
Oko E
Where it came down
Recorded positionRecorded position 42.5°S, 91.8°W. Its final orbit, inclined at 61.6°, allowed a re-entry anywhere between 61.6°N and 61.6°S.
Life in orbit
15 years, 4 monthsCOSMOS 1785’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 28 Feb 2002
2 entriesFrom the same launch
1986-078
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2002-0116
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2002-0116
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.