Flight
- Date and time (UTC)
- April 21, 1981, 03:45
- Launch designation
- 1981-037
- Mission
- US-A reactor
- Flight name
- Kosmos-1266
- Vehicle flight ID
- 51035-504
- Year
- Launches in 1981
Orbit and payload
- Initial apogee
- 968 km
- Payload mass to orbit
- 4.3 t
- Payloads
- 1
- GCAT launch code
- OS
Payloads
| Payload | Designation | Owner | Mission type | Mass | Fate |
|---|---|---|---|---|---|
| Kosmos-1266 | 1981-037ANORAD 12409 | Soviet Navy | Signals intelligence | 1,154 kg | In orbit |
Source: GCAT launch list and payload catalogs, Jonathan C. McDowell (CC BY 4.0). Orbit values are the initial orbit reported for the launch.