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Kind: Flyby Mars

State: Successful

Place: Mars

Operator: NASA / JPL



Duration: 1 year and 9 months (launch to deactivation)

Mission Ending

Disposal: Decommissioned

Deactivated: 28 December 1970 (1970-12-29)


Rocket: Atlas SLV-3D Centaur-D1A

Kind: NASA / JPL

Manufacturer: Jet Propulsion Laboratory

Mass: 411.8 kilograms (908 lb)

Launch Site: Cape Canaveral LC-36A


1º Flyby: Mars

2º Flyby: Mars


"You’re going very fast when you’re on orbit, going around the world once every hour and a half." - Robert Crippen


"The journey, not the arrival, matters; the voyage, not the landing." - Paul Theroux

Mariner 6 and Mariner 7 (Mariner Mars 69A and Mariner Mars 69B) were two unmanned NASA space probes that completed the first dual mission to Mars in 1969 as part of NASA's wider Mariner program. Mariner 6 was launched from Launch Complex 36B at Cape Canaveral Air Force Station and Mariner 7 from Launch Complex 36A at Cape Kennedy. The craft[clarification needed] flew over the equator and south polar regions, analyzing the atmosphere and the surface with remote sensors, and recording and relaying hundreds of pictures. The mission's goals were to study the surface and atmosphere of Mars during close flybys, in order to establish the basis for future investigations, particularly those relevant to the search for extraterrestrial life, and to demonstrate and develop technologies required for future Mars missions. Mariner 6 also had the objective of providing experience and data which would be useful in programming the Mariner 7 encounter five days later.