NASA’s Psyche mission will launch in 2022 and begin a 3.6-year cruise to the metallic asteroid Psyche, the largest metal asteroid in the solar system. The baseline spacecraft design is a hybrid of JPL’s deep-space heritage subsystems with commercial partner Maxar’s electric propulsion, power, and structure subsystems. The Psyche mission will feature the first use of Hall thrusters for a NASA mission, and the first use of Hall thrusters beyond cis-lunar space. This paper will provide an overview of the electric propulsion subsystem and details of the flight system implementation for the Psyche mission. The concept of operations is discussed including subsystem-level operations, the initial checkout after launch, and cruise and orbital operations. Command and control interfaces with the spacecraft and fault protection design are presented. Finally, the status of subsystem assembly and test is described.


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    Titel :

    Electric Propulsion for the Psyche Mission: One Year to Launch


    Beteiligte:
    Li, Julie (Autor:in) / Winkelmann-Kerl, Taylor (Autor:in) / Weise, Tim (Autor:in) / Sereno, Virginia (Autor:in) / Snyder, Steve S (Autor:in)

    Erscheinungsdatum :

    2021-08-09


    Medientyp :

    Preprint


    Format :

    Keine Angabe


    Sprache :

    Englisch



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