Venera 2MV-2 No.1 (Sputnik 21), a Soviet Venus flyby probe launched on a Molniya 8K78 from Baikonur on 12 September 1962. At T+531 s a Stage-3 vernier exploded after an oxidizer valve failed to close, leaving the spacecraft stranded in low Earth orbit.
- Outcome
- Partial
- Orbit
- Venus flyby
- Payload to orbit
- 1.5 T (est.)
- Flight
- 7th
- of 40 Molniya 8K78 flights
- Date and time
- 12 September 1962, 00:59 UTC
- Rocket
- Molniya 8K78
- Builder
- RKK Energia
- Launch site
- 1/5, Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Robotic Exploration
- International designator
- 1962-045
- Launches in 1962
- 52nd of 81
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
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