Flight
- Date and time (UTC)
- April 11, 1974, 12:22
- Launch designation
- 1974-021
- Mission
- Zenit-2M
- Flight name
- Kosmos-640
- Vehicle flight ID
- 78031 -192
- Year
- Launches in 1974
Orbit and payload
- Initial apogee
- 225 km
- Payload mass to orbit
- 5.4 t
- Payloads
- 1
- GCAT launch code
- OS
Payloads
| Payload | Designation | Owner | Mission type | Mass | Fate |
|---|---|---|---|---|---|
| Kosmos-640 | 1974-021ANORAD 7245 | Main Space Forces Directorate | Optical imaging | 2,200 kg | Landed · Apr 23, 1974 |
Source: GCAT launch list and payload catalogs, Jonathan C. McDowell (CC BY 4.0). Orbit values are the initial orbit reported for the launch.