Flight
- Date and time (UTC)
- March 31, 1976, 12:50
- Launch designation
- 1976-030
- Mission
- Orion
- Flight name
- Kosmos-811
- Vehicle flight ID
- 76029 -838
- Year
- Launches in 1976
Orbit and payload
- Initial apogee
- 335 km
- Payload mass to orbit
- 6.7 t
- Payloads
- 1
- GCAT launch code
- OS
Payloads
| Payload | Designation | Owner | Mission type | Mass | Fate |
|---|---|---|---|---|---|
| Kosmos-811 | 1976-030ANORAD 8781 | Military-Topographic Service of the Soviet Army | Optical imaging | 2,200 kg | Landed · Apr 12, 1976 |
Source: GCAT launch list and payload catalogs, Jonathan C. McDowell (CC BY 4.0). Orbit values are the initial orbit reported for the launch.