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Mariner 10

Mariner 10 was NASA's Venus-and-Mercury flyby mission. It pioneered planetary gravity assist, using Venus to reach Mercury and then returning for two additional Mercury encounters.

Mariner 10
NASA / Jet Propulsion Laboratory · NASA/JPL asset; the exact NASA Mariner 10 image article identifies this matching spacecraft-instrument photograph and credits NASA/JPL. NASA’s current Images and Media Usage Guidelines generally permit factual or informational/editorial use with NASA attribution and without implying NASA endorsement. NASA insignia and identifiers, third-party material, identifiable-person rights, and commercial, promotional, merchandise, or other protected-rights uses may require separate clearance; verify before such use. · Source
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Identity

Aliases
Mariner-JMariner 73J1973-085A
Name
Mariner 10
Status
completed

Details

Astronauts
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Description
Mariner 10 was NASA's Venus-and-Mercury flyby mission. It pioneered planetary gravity assist, using Venus to reach Mercury and then returning for two additional Mercury encounters.
Destination
Heliocentric trajectory using a Venus gravity assist to reach Mercury, followed by three Mercury flybys and a solar loop back to Mercury for repeat observations of Mercury and Venus
End Date
1975-03-24
Launch Site
Outcome
Successfully surveyed Venus and completed three Mercury flybys before attitude-control gas depletion ended communications on March 24, 1975.
Programs
Start Date
1973-11-03
Vehicle Families

Links

Official Url
https://science.nasa.gov/mission/mariner-10/

Assets & Meta

Creation Time
July 18, 2026 at 11:56:19 UTC
Updated Time
August 22, 2026 at 15:19:28 UTC
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Affiliations
Search Name
Mariner 10 Mariner-J Mariner 73J 1973-085A
Space Stations
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Vehicles