Following the cancellation of the Outer Planet Grand Tour Project, NASA and JPL examined less ambitious, alternative missions for exploring the outer planets. The mission that proved most attractive scientifically and fits within the projected NASA budget constraints embraces dual flights to Jupiter and Saturn, with launch in 1977. NASA has implemented it as the Mariner Jupiter/Saturn 1977 (MJS77) Project. The MJS77 mission covers exploratory investigations of the Jupiter and Saturn planetary systems and the interplanetary medium out to Saturn. Items of special interest include Jupiter's great red spot, the question of Io's anomalous brightening and phenomena associated with its EM behavior. After Saturn encounter, the spacecraft will escape the solar system in the general direction of the solar apex.
Mariner Jupiter/Saturn 1977 - The mission frame.
1972-11-01
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The Mariner Jupiter/Saturn 1977 mission
NTRS | 1974
|Mariner Jupiter/Saturn 1977 preliminary mission design.
NTRS | 1972
|Mariner Jupiter/Saturn 1977 mission design tradeoffs
NTRS | 1977
|Mariner Jupiter/Saturn 1977 mission design tradeoffs
AIAA | 1977
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