Flight
- Date and time (UTC)
- May 11, 1973, 00:20
- Launch designation
- 1973-026
- Mission
- DOS 3
- Flight name
- Kosmos-557
- Vehicle flight ID
- 284-01
- Year
- Launches in 1973
Orbit and payload
- Initial apogee
- 249 km
- Payload mass to orbit
- 18.5 t
- Payloads
- 1
- GCAT launch code
- OS
Payloads
| Payload | Designation | Owner | Mission type | Mass | Fate |
|---|---|---|---|---|---|
| Kosmos-557 | 1973-026ANORAD 6498 | Central KB for Experimental Machine Building | Human spaceflight | 18.5 t | Reentered (orbital decay) · May 22, 1973 |
Source: GCAT launch list and payload catalogs, Jonathan C. McDowell (CC BY 4.0). Orbit values are the initial orbit reported for the launch.