Kosmos 1866, a Yantar-4K2 (Kobalt) film-return photoreconnaissance satellite for Soviet military intelligence, launched on a Soyuz-U from Plesetsk; it returned exposed film in recoverable capsules before deorbiting.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 6.6 T (est.)
- Flight
- 478th
- of 714 Soyuz U flights
- Date and time
- 9 July 1987, 16:10 UTC
- Rocket
- Soyuz U
- Builder
- Progress RSC
- Launch site
- 16/2, Plesetsk Cosmodrome, Russian Federation
- Payload
- Government/Top Secret
- International designator
- 1987-059
- Launches in 1987
- 63rd of 114
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
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