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Mariner 5

Mariner 5 [NASA]

The Mariner 5 spacecraft was the fifth in a series of spacecraft used for planetary exploration in the flyby mode. Mariner 5 was a refurbished backup spacecraft for the Mariner 4 mission and was converted from a Mars mission to a Venus mission. The spacecraft was fully attitude stabilized, using the sun and Canopus as references. A central computer and sequencer subsystem supplied timing sequences and computing services for other spacecraft subsystems. The spacecraft passed 4,000 km from Venus on 19 October 1967. The spacecraft instruments measured both interplanetary and Venusian magnetic fields, charged particles, and plasmas, as well as the radio refractivity and UV emissions of the Venusian atmosphere. The mission was termed a success. 

Nation: USA
Type / Application: Venus flyby
Operator: NASA
Contractors: Jet Propulsion Laboratory (JPL)
Propulsion: ?
Power: 4 deployable fixed solar arrays, batteries
Orbit: Heliocentric
Satellite COSPAR Date LS Launch Vehicle Remarks
Mariner 5 1967-060A 14.06.1967 CC LC-12 Atlas-SLV3 Agena-D