Flight
- Date and time (UTC)
- May 26, 1976, 09:00
- Launch designation
- 1976-048
- Mission
- Zenit-4MK
- Flight name
- Kosmos-821
- Vehicle flight ID
- 77016 -659
- Year
- Launches in 1976
Orbit and payload
- Initial apogee
- 339 km
- Payload mass to orbit
- 6.0 t
- Payloads
- 1
- GCAT launch code
- OS
Payloads
| Payload | Designation | Owner | Mission type | Mass | Fate |
|---|---|---|---|---|---|
| Kosmos-821 | 1976-048ANORAD 8862 | Main Space Forces Directorate | Optical imaging | 2,310 kg | Landed · Jun 8, 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.