Flight
- Date and time (UTC)
- June 24, 1977, 10:30
- Launch designation
- 1977-055
- Mission
- EPN No. 03.0380
- Flight name
- Kosmos-921
- Vehicle flight ID
- 45052-102-2L
- Flight code
- Okean GVM
- Year
- Launches in 1977
Orbit and payload
- Initial apogee
- 699 km
- Payload mass to orbit
- 1.8 t
- Payloads
- 1
- GCAT launch code
- OS
Payloads
| Payload | Designation | Owner | Mission type | Mass | Fate |
|---|---|---|---|---|---|
| Kosmos-921 | 1977-055ANORAD 10095 | Southern State Design Bureau | Technology | 1,800 kg | In orbit |
Source: GCAT launch list and payload catalogs, Jonathan C. McDowell (CC BY 4.0). Orbit values are the initial orbit reported for the launch.