Tsiklon-3 from Plesetsk lofted Kosmos 1666, a Tselina-D electronic-intelligence (SIGINT) satellite for the Soviet military that monitored radar and radio emissions from low Earth orbit.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 1.8 T
- Flight
- 34th
- of 122 Tsiklon-3 flights
- Date and time
- 8 July 1985, 23:40 UTC
- Rocket
- Tsiklon-3
- Builder
- Yuzhmash
- Launch site
- 32/2, Plesetsk Cosmodrome, Russian Federation
- Payload
- Government/Top Secret
- International designator
- 1985-058
- Launches in 1985
- 59th of 125
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
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