Flight
- Date and time (UTC)
- March 26, 1975, 08:50
- Launch designation
- 1975-020
- Mission
- Zenit-2M
- Flight name
- Kosmos-721
- Vehicle flight ID
- 76041 -199
- Year
- Launches in 1975
Orbit and payload
- Initial apogee
- 283 km
- Payload mass to orbit
- 6.0 t
- Payloads
- 2
- GCAT launch code
- OS
Payloads
| Payload | Designation | Owner | Mission type | Mass | Fate |
|---|---|---|---|---|---|
| Kosmos-721 | 1975-020ANORAD 7705 | Main Space Forces Directorate | Optical imaging | 2,200 kg | Landed · Apr 7, 1975 |
| Kapsula Kosmosa-721 | 1975-020FNORAD 7721 | Central Specialized Design Bureau | Space science | 630 kg | Reentered (orbital decay) · Apr 10, 1975 |
Source: GCAT launch list and payload catalogs, Jonathan C. McDowell (CC BY 4.0). Orbit values are the initial orbit reported for the launch.