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Mars 4, 5 (Mars M73 Orbiter #1, #2)

Mars 4

Nation: USSR
Type / Application: Mars orbiter
Operator:
Contractors: NPO Lavochkin
Equipment:
Configuration:
Propulsion:
Power: 2 deployable fixed solar arrays, batteries
Lifetime:
Mass:
Orbit:
Satellite COSPAR Date LS Launch Vehicle Remarks
Mars 4 (Mars-73 Orbiter #1) 1973-047A 21.07.1973 Ba LC-81/23 Proton-K Blok-D
Mars 5 (Mars-73 Orbiter #2) 1973-049A 25.07.1973 Ba LC-81/24 Proton-K Blok-D