CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1974-0280
COSMOS 688
COSMOS 688 (NORAD 7473) landed on 30 October 1974, after 12 days in orbit.
Official date
NORAD number
7473
International designator
1974-078A
Object type
Spacecraft
Country
USSR
Launched
18 Oct 1974Plesetsk Cosmodrome
Landed (UTC)
30 Oct 1974UTC calendar day
Time in orbit
12 days12 days
How it ended
Landed
Latitude range
62.8°N to 62.8°SFinal inclination 62.8°
Mass
2,310 kg
Operator
GUKOS RVSN
Built by
TsSKB
Bus
Zenit-4MK
Programme
Zenit-4MK
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 62.8°, allowed a re-entry anywhere between 62.8°N and 62.8°S.
Life in orbit
12 daysFrom the same launch
1974-078Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1974-0280
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1974-0280
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.