In October 2016, the Juno spacecraft was operating in 53.5-day capture orbits and final preparations were underway for a Period Reduction Maneuver (PRM) to achieve the planned 14-day science orbits. However, one week before PRM execution, a main engine propulsion system anomaly prompted an indefinite PRM delay and immediate updates to the Juno reference trajectory. This paper outlines stopgap trajectory design activities immediately following PRM delay and longer-term trajectory redesign considerations including various possible PRM epochs, orbit period, longitude grid characteristics, and eclipse avoidance strategies that culminated in the decision to cancel PRM and adopt a new 53-day reference trajectory.


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    Titel :

    Juno Trajectory Redesign Following PRM Cancellation


    Beteiligte:

    Erscheinungsdatum :

    2017-08-20


    Medientyp :

    Preprint


    Format :

    Keine Angabe


    Sprache :

    Englisch



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