Proton

TLP Network Inc.

March 27, 1969 10:40 am

Mars-2b

|

Baikonur Cosmodrome, Republic of Kazakhstan

Days

Hours

Minutes

Seconds

March 27, 1969 10:40 am

Last Updated:

2026-07-13 15:55:48

Mars orbiter lost due to a failure of the rocket’s third stage.

Launch Overview

Window Open 10:40 UTC

Window Close 10:40 UTC

Lift Off Mar 27, 1969 · 10:40 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-2b

Rocket Proton

Destination Mars Orbit

Recovery Overview

Landing Location See Mission Notes

Landing Type RTLS / Droneship

Other Launches

Mars orbiter lost due to a failure of the rocket’s third stage.

Height

LEO Payload

Total Launches

Status

Soviet Space Program

81/23 (81L)