The relative orbital motion of Space Station Freedom and the moon places practical constraints on the timing of launch/return transfer trajectories. This paper describes the timing characteristics as well as the Delta-V variations over a representative cycle of launch/return opportunities. On average, the minimum-Delta-V transfer opportunities occur at intervals of 9 days. However, there is a significant nonuniform variation in this timing interval, as well as the minimum stay time at the moon, over the short cycle (51 days) and the long cycle (18.6 years). The advantage of three-impulse transfers for extending the launch window is also described.


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    Titel :

    Launching lunar missions from Space Station Freedom


    Beteiligte:
    Friedlander, Alan (Autor:in) / Young, Archie (Autor:in)

    Kongress:

    AIAA/AAS Astrodynamics Conference ; 1990 ; Portland, OR, United States


    Erscheinungsdatum :

    1990-01-01


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :