Flight
- Date and time (UTC)
- July 9, 1987, 16:10
- Launch designation
- 1987-059
- Mission
- Kobal't
- Flight name
- Kosmos-1866
- Vehicle flight ID
- 78028 -931
- Year
- Launches in 1987
Orbit and payload
- Initial apogee
- 778 km
- Payload mass to orbit
- 6.6 t
- Payloads
- 3
- GCAT launch code
- OS
Payloads
| Payload | Designation | Owner | Mission type | Mass | Fate |
|---|---|---|---|---|---|
| Kosmos-1866 | 1987-059ANORAD 18184 | Upravleniye Nachalnika Kosmicheskikh Sredstv | Optical imaging | 2,886 kg | Exploded or broke up · Jul 26, 1987 |
| Spuskaemaya Kapsula | 1987-059 | Ministry of General Machine Building | — | — | — |
| Spuskaemaya Kapsula | 1987-059 | Ministry of General Machine Building | — | — | — |
Source: GCAT launch list and payload catalogs, Jonathan C. McDowell (CC BY 4.0). Orbit values are the initial orbit reported for the launch.