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Success
July 21, 1973 7:30 pm

Mars-4

|

Proton

Baikonur Cosmodrome, Republic of Kazakhstan
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July 21, 1973 7:30 pm
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2026-07-13 11:35:11

Mars orbiter
Launch Overview
Window Open 19:30 UTC
Window Close 19:30 UTC
Lift Off Jul 21, 1973 · 19:30 UTC
Launch Facility Baikonur Cosmodrome, Republic of Kazakhstan
Launch Pad 81/23 (81L)
Target Orbit Mars Orbit
Payload Overview
Customer Soviet Space Program
Payload Mars-4
Rocket Proton
Destination Mars Orbit
Recovery Overview
Landing Location See Mission Notes
Landing Type RTLS / Droneship

Other Launches

Mars orbiter

Height

LEO Payload

Total Launches

Status

Soviet Space Program
81/23 (81L)
Launch Overview
Window Open 19:30 UTC
Window Close 19:30 UTC
Lift Off Jul 21, 1973 · 19:30 UTC
Launch Facility Baikonur Cosmodrome, Republic of Kazakhstan
Launch Pad 81/23 (81L)
Target Orbit Mars Orbit
Payload Overview
Customer Soviet Space Program
Payload Mars-4
Rocket Proton
Destination Mars Orbit
Recovery Overview
Landing Location See Mission Notes
Landing Type RTLS / Droneship

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