Flight
- Date and time (UTC)
- June 21, 1974, 09:03
- Launch designation
- 1974-045
- Mission
- Tselina-OM
- Flight name
- Kosmos-661
- Vehicle flight ID
- 65053-205
- Year
- Launches in 1974
Orbit and payload
- Initial apogee
- 546 km
- Payload mass to orbit
- 0.434 t
- Payloads
- 1
- GCAT launch code
- OS
Payloads
| Payload | Designation | Owner | Mission type | Mass | Fate |
|---|---|---|---|---|---|
| Kosmos-661 | 1974-045ANORAD 7339 | Glavnoye Razvedyvatelnoe Upravleniye | Signals intelligence | 434 kg | Reentered (orbital decay) · Aug 27, 1980 |
Source: GCAT launch list and payload catalogs, Jonathan C. McDowell (CC BY 4.0). Orbit values are the initial orbit reported for the launch.