Advantages of Earth-Mars-Earth (EME) trajectories over more conventional Mars trajectories are described and characteristics of favorable EME trajectories for spacecraft launched during 1970 decade identified; results of analysis of major engineering problems show that EME missions of ballistic and impulsive type (i.e., in which velocity correction is required at Mars) are feasible with present-day launch vehicles during all Mars launch opportunities in 1970s; total mission times vary between 370 and 800 days; flyby altitudes are attractive for scientific experiments at Mars; EME missions allow transmission of several hundred times more data back to Earth than can be obtained from other Mars flyby or orbiter spacecraft.


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    Title :

    Data return advantages of Earth-Mars-Earth trajectories


    Additional title:

    J Spacecraft Rockets


    Contributors:

    Published in:

    Publication date :

    1968


    Size :

    6 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :





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