CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1971-0303
COSMOS 463
COSMOS 463 (NORAD 5661) landed on 11 December 1971, after 5 days in orbit.
Official date
NORAD number
5661
International designator
1971-107A
Object type
Spacecraft
Country
USSR
Launched
6 Dec 1971Baikonur Cosmodrome
Landed (UTC)
11 Dec 1971UTC calendar day
Time in orbit
5 days5 days
How it ended
Landed
Latitude range
65.0°N to 65.0°SFinal inclination 65.0°
Mass
2,200 kg
Operator
GUKOS RVSN
Built by
TsKBEM Fil. 3
Bus
Zenit-4M
Programme
Zenit-4M
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 65.0°, allowed a re-entry anywhere between 65.0°N and 65.0°S.
Life in orbit
5 daysAlso ended on 11 Dec 1971
4 entriesFrom the same launch
1971-107
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1971-0303
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1971-0303
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.