Mars 3 (M-71 #3), a Soviet Mars orbiter and lander launched on a Proton-K/Blok-D from Baikonur; its lander achieved the first soft landing on Mars on 2 December 1971, transmitting briefly before failing.
- Outcome
- Success
- Orbit
- Mars
- Payload to orbit
- 6 T
- Flight
- 26th
- of 38 Proton / UR-500 K/D flights
- Date and time
- 28 May 1971, 15:26 UTC
- Rocket
- Proton / UR-500 K/D
- Builder
- Khrunichev
- Launch site
- 81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Robotic Exploration
- International designator
- 1971-049
- Launches in 1971
- 53rd of 133
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
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