Flight
- Date and time (UTC)
- July 25, 1973, 11:30
- Launch designation
- 1973-048
- Mission
- Zenit-4M
- Flight name
- Kosmos-577
- Vehicle flight ID
- 7702423-254
- Year
- Launches in 1973
Orbit and payload
- Initial apogee
- 377 km
- Payload mass to orbit
- 6.0 t
- Payloads
- 1
- GCAT launch code
- OS
Payloads
| Payload | Designation | Owner | Mission type | Mass | Fate |
|---|---|---|---|---|---|
| Kosmos-577 | 1973-048ANORAD 6745 | Main Space Forces Directorate | Optical imaging | 2,200 kg | Landed · Aug 7, 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.