Kosmos 21 (3MV-1A #1), a Soviet Zond technology probe intended as a solar/interplanetary pathfinder with reentry capsule, launched on a Molniya 8K78 from Baikonur; the Blok L escape burn failed, stranding it in Earth orbit.
- Outcome
- Failure
- Orbit
- Helio-N/A
- Heliocentric orbit
- Payload to orbit
- Did not reach orbit
- Flight
- 14th
- of 40 Molniya 8K78 flights
- Date and time
- 11 November 1963, 06:23 UTC
- Rocket
- Molniya 8K78
- Builder
- RKK Energia
- Launch site
- 1/5, Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Robotic Exploration
- International designator
- 1963-044
- Launches in 1963
- 57th of 69
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
View satellites in Space Atlas