Proton | Mars-2d
Soviet Space Program · Proton / UR-500 K/D · 81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan
Soviet Space Program's 570th launch · 29th this year · humanity's 1,218th orbital launch attempt
May 10, 1971Add to calendar
Failure
Either the launch vehicle did not reach orbit, or the payload(s) failed to separate.
Window: May 10, 16:58 – May 10, 16:58 UTC
Flight preview
Mars-2d
Mars orbiter and lander
Robotic Exploration · Mars Orbit (Mars)
Booster
No booster details available.
Watch
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