CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1974-0112
COSMOS 640
COSMOS 640 (NORAD 7245) landed on 23 April 1974, after 12 days in orbit.
Official date
NORAD number
7245
International designator
1974-021A
Object type
Spacecraft
Country
USSR
Launched
11 Apr 1974Plesetsk Cosmodrome
Landed (UTC)
23 Apr 1974UTC calendar day
Time in orbit
12 days12 days
How it ended
Landed
Latitude range
81.3°N to 81.3°SFinal inclination 81.3°
Mass
2,200 kg
Operator
GUKOS RVSN
Built by
TsSKB
Bus
Zenit-2M
Programme
Zenit-2M
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 81.3°, allowed a re-entry anywhere between 81.3°N and 81.3°S.
Life in orbit
12 daysFrom the same launch
1974-021
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1974-0112
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1974-0112
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.