CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1990-0317
COSMOS 665
COSMOS 665 (NORAD 7352) re-entered Earth’s atmosphere on 6 July 1990, after 16 years in orbit.
Official date
NORAD number
7352
International designator
1974-050A
Object type
Spacecraft
Country
USSR
Launched
29 Jun 1974Plesetsk Cosmodrome
Re-entered (UTC)
6 Jul 1990UTC calendar day
Time in orbit
16 years5,851 days
How it ended
Re-entered (natural decay)
Latitude range
61.9°N to 61.9°SFinal inclination 61.9°
Mass
1,250 kg
Operator
PVO
Built by
Lavochkin / Kometa
Bus
Oko
Programme
Oko A
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 61.9°, allowed a re-entry anywhere between 61.9°N and 61.9°S.
Life in orbit
16 yearsCOSMOS 665’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1974-050
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1990-0317
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1990-0317
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.