Soviet Space ProgramProton / UR-500 K/D81/24 (81P), Baikonur Cosmodrome, Republic of Kazakhstan
Mars-2
Launched
May 19, 1971
Summary
Mars-2 launched on a Soviet Space Program Proton / UR-500 K/D from 81/24 (81P), Baikonur Cosmodrome, Republic of Kazakhstan on May 19, 1971. It was Soviet Space Program's 573rd launch, 32nd this year and humanity's 1,221st orbital launch attempt. It was the 26th Proton / UR-500 K/D flight and the 2nd this year. The payload was bound for Mars Orbit (Mars). 4 objects from this launch are catalogued, 2 of them payloads.
- Watch
- No webcast on record.
- Vehicle
- Proton / UR-500 K/D · Soviet Space Program
- Booster
- No booster details on record.
- Mission
- Robotic Exploration · Mars Orbit (Mars)
- Milestone
- 26th Proton / UR-500 K/D flight · 2nd this yearSoviet Space Program's 573rd launch32nd this yearhumanity's 1,221st orbital launch attempt50th orbital launch attempt this year
Flight preview
Catalogued objects
4 catalogued: 2 payloads, 2 components
- Mars-2 · NORAD 5234 · left Earth orbit May 20, 1971
- SA Marsa-2 · NORAD 5739 · left Earth orbit May 22, 1971
Data from J. McDowell, planet4589.org
About this launch
Mars orbiter and lander
Pad

81/24 (81P), Baikonur Cosmodrome, Republic of Kazakhstan
11th launch from 81/24 (81P), 2nd this year · 325th from Baikonur Cosmodrome, Republic of Kazakhstan
93 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
30 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Mars-2 launch?
Mars-2 launched on May 19, 1971. The time is known to the hour, not the minute.
Where can I watch Mars-2?
No webcast is on record for this launch.
What rocket launched Mars-2?
Proton / UR-500 K/D, flown by Soviet Space Program. Proton / UR-500 K/D spec sheet
Where did Mars-2 launch from?
81/24 (81P), Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit was Mars-2 going to?
Mars Orbit (Mars), a robotic exploration mission.
How many satellites did Mars-2 launch?
2 payloads from this launch are catalogued (Data from J. McDowell, planet4589.org).
![[AUTO] Proton - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fproton_image_20231231095535.jpg&w=1600)