Venera 2MV-1 No.2 (Sputnik 20), a Soviet Venus lander attempt launched on a Molniya 8K78 from Baikonur on 1 September 1962. A valve failed to open, blocking upper-stage restart, so the probe never left low Earth orbit and decayed on 6 September.
- Outcome
- Partial
- Orbit
- Helio-N/A
- Heliocentric orbit
- Payload to orbit
- 1.2 T (est.)
- Flight
- 6th
- of 40 Molniya 8K78 flights
- Date and time
- 1 September 1962, 02:12 UTC
- Rocket
- Molniya 8K78
- Builder
- RKK Energia
- Launch site
- 1/5, Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Robotic Exploration
- International designator
- 1962-043
- Launches in 1962
- 50th of 81
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
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