CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1976-0105
COSMOS 811
COSMOS 811 (NORAD 8781) landed on 12 April 1976, after 12 days in orbit.
Official date
NORAD number
8781
International designator
1976-030A
Object type
Spacecraft
Country
USSR
Launched
31 Mar 1976Plesetsk Cosmodrome
Landed (UTC)
12 Apr 1976UTC calendar day
Time in orbit
12 days12 days
How it ended
Landed
Latitude range
72.8°N to 72.8°SFinal inclination 72.8°
Mass
2,200 kg
Operator
VTS SA
Built by
TsSKB
Bus
Zenit-4MT
Programme
Orion
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 72.8°, allowed a re-entry anywhere between 72.8°N and 72.8°S.
Life in orbit
12 daysAlso ended on 12 Apr 1976
6 entriesFrom the same launch
1976-030Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1976-0105
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1976-0105
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.