CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1971-0098
COSMOS 406
COSMOS 406 (NORAD 5124) landed on 24 April 1971, after 10 days in orbit.
Official date
NORAD number
5124
International designator
1971-029A
Object type
Spacecraft
Country
USSR
Launched
14 Apr 1971Plesetsk Cosmodrome
Landed (UTC)
24 Apr 1971UTC calendar day
Time in orbit
10 days10 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
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 81.3°, allowed a re-entry anywhere between 81.3°N and 81.3°S.
Life in orbit
10 daysAlso ended on 24 Apr 1971
1 entryEntered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1971-0098
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1971-0098
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.