Flight
- Date and time (UTC)
- May 5, 1973, 07:00
- Launch designation
- 1973-025
- Mission
- Zenit-4MK
- Flight name
- Kosmos-556
- Vehicle flight ID
- 77019 -751
- Year
- Launches in 1973
Orbit and payload
- Initial apogee
- 265 km
- Payload mass to orbit
- 6.0 t
- Payloads
- 1
- GCAT launch code
- OS
Payloads
| Payload | Designation | Owner | Mission type | Mass | Fate |
|---|---|---|---|---|---|
| Kosmos-556 | 1973-025ANORAD 6446 | Main Space Forces Directorate | Optical imaging | 2,310 kg | Landed · May 14, 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.