Flight
- Date and time (UTC)
- October 18, 1974, 15:00
- Launch designation
- 1974-078
- Mission
- Zenit-4MK
- Flight name
- Kosmos-688
- Vehicle flight ID
- 77019 -754
- Year
- Launches in 1974
Orbit and payload
- Initial apogee
- 351 km
- Payload mass to orbit
- 6.0 t
- Payloads
- 1
- GCAT launch code
- OS
Payloads
| Payload | Designation | Owner | Mission type | Mass | Fate |
|---|---|---|---|---|---|
| Kosmos-688 | 1974-078ANORAD 7473 | Main Space Forces Directorate | Optical imaging | 2,310 kg | Landed · Oct 30, 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.