5 December 2015, 14:08 UTC
Kanopus-ST (Kosmos 2511) & KYuA-1 (Kosmos 2512)

Soyuz-2.1v/Volga launched the Kanopus-ST reconnaissance satellite from Plesetsk, but the satellite failed to separate from the Volga upper stage due to a faulty release lock, leaving it stranded and unable to reach its intended orbit.
- Outcome
- Failure
- Payload to orbit
- Did not reach orbit
- Flight
- 2nd
- of 8 Soyuz 2.1v Volga flights
- Date and time
- 5 December 2015, 14:08 UTC
- Rocket
- Soyuz 2.1v Volga
- Builder
- Progress RSC
- Launch site
- 43/4 (43R), Plesetsk Cosmodrome, Russian Federation
- Payload
- Unknown
- International designator
- 2015-071
- Launches in 2015
- 75th of 87
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
View satellites in Space Atlas