Oldest problem of space trajectory optimization is determination of minimum fuel transfer between orbits in inverse square field, referred to as Lawden's Problem; paper investigates question of whether finite number of impulses is optimum, and considers number of impulses required for various maneuvers, in time-open and in time-fixed case; Hohmann-transfer, bi-elliptic, and optimum bi-elliptic transfer, shown in drawing, are discussed together with various maneuvers and new solutions, which indicate that multiple thrusting periods can reduce consumption of propellant for certain space missions; directions for further research are outlined.


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    Title :

    How many impulses


    Additional title:

    Astronautics Aeronautics


    Contributors:

    Published in:

    Publication date :

    1967


    Size :

    6 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


    How many impulses?

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    Free access