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Launch SuccessfulSoviet Space Program
Proton: Mars-2
Mars orbiter and lander
Wednesday, 19 May 1971
Mission Data
🇷🇺Soviet Space ProgramEst. 1931
Launch VehicleProton / UR-500 K/D
Vehicle FamilyProton / UR-500
Vehicle Record24 of 39 launches (61.5%)
Provider TypeGovernment
Agency Record2288 successes / 168 failures (93%)
Success Streak17 consecutive
Mission TypeRobotic Exploration
Target OrbitMars Orbit
Launch Pad81/24 (81P)
Location🇰🇿 Baikonur Cosmodrome, Republic of Kazakhstan KAZ
Orbital Launches This Year#50
Agency Launches This Year#32
Launches From This Pad93
Launches From This Site1,565
Status Note
The launch vehicle successfully inserted its payload(s) into the target orbit(s).
About Proton / UR-500 K/D
This four stage version of the Proton was originally designed to send manned circumlunar spacecraft into translunar trajectory.
Launch Site
81/24 (81P) · 46.0710°N 62.9850°E
Launch data from Launch Library 2 by The Space Devs.