![[AUTO] Proton - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fproton_image_20231231095535.jpg&w=1600)
Soviet Space ProgramProton / UR-500 K/D81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan
Mars-4
Launched
July 21, 1973
Summary
Mars-4 launched on a Soviet Space Program Proton / UR-500 K/D from 81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan on July 21, 1973. It was Soviet Space Program's 752nd launch, 40th this year and humanity's 1,475th orbital launch attempt. It was the 32nd Proton / UR-500 K/D flight and the 2nd this year. The payload was bound for Mars Orbit (Mars). 3 objects from this launch are catalogued, one of them a payload.
- 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
- 32nd Proton / UR-500 K/D flight · 2nd this yearSoviet Space Program's 752nd launch40th this yearhumanity's 1,475th orbital launch attempt53rd orbital launch attempt this year
Flight preview
Catalogued objects
3 catalogued: 1 payload, 2 components
- Mars-4 · NORAD 6742 · left Earth orbit July 22, 1973
Data from J. McDowell, planet4589.org
About this launch
Mars orbiter
Pad
81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan
27th launch from 81/23 (81L), 4th this year · 377th from Baikonur Cosmodrome, Republic of Kazakhstan
104 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
71 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Mars-4 launch?
Mars-4 launched on July 21, 1973. The time is known to the hour, not the minute.
Where can I watch Mars-4?
No webcast is on record for this launch.
What rocket launched Mars-4?
Proton / UR-500 K/D, flown by Soviet Space Program. Proton / UR-500 K/D spec sheet
Where did Mars-4 launch from?
81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit was Mars-4 going to?
Mars Orbit (Mars), a robotic exploration mission.
How many satellites did Mars-4 launch?
1 payload from this launch is catalogued (Data from J. McDowell, planet4589.org).