In September 2015, NASA selected five mission concepts from a field of 27 to proceed to the next stage (step 2) of the latest Discovery mission competition. Each team submitted a Mission Concept Study to NASA in August 2016, and in January of 2017 NASA selected Psyche and a second mission for flight. This paper describes Psyche, a unique investigation of a metal world, which is the only one of the original five mission concepts studied in detail to propose the use of Electric Propulsion (EP) to accomplish its mission objectives. Psyche will harness commercially developed EP and space power systems with strong system-level heritage to accomplish a deep space NASA science mission at comparatively low technical-risk and cost-risk. This paper describes the Psyche mission concept and the unique Solar Electric Propulsion (SEP) architecture that allows the use of SSL's commercial SPT-140 Hall thruster propulsion system at solar distances of up to 3.3 AU with only minimal modifications. Building on previous work analyzing SEP systems for Discovery-class missions, this paper describes the heritage, design, and testing which have been conducted on the power and propulsion systems to develop the Psyche mission, addresses the differences between GEO and deep-space environments, and describes actions taken to ensure that GEO heritage systems can be operated reliably in deep-space.


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    Titel :

    Psyche: Journey to a metal world


    Beteiligte:
    Lord, Peter (Autor:in) / Tilley, Scott (Autor:in) / Oh, David Y. (Autor:in) / Goebel, Dan (Autor:in) / Polanskey, Carol (Autor:in) / Snyder, Steve (Autor:in) / Carr, Greg (Autor:in) / Collins, Steven M. (Autor:in) / Lantoine, Gregory (Autor:in) / Landau, Damon (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.03.2017


    Format / Umfang :

    859036 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Psyche: Journey to a Metal World

    Oh, David Y. / Goebel, Dan M. / Elkins-Tanton, Linda et al. | AIAA | 2016


    PSYCHE: JOURNEY TO A METAL WORLD (AIAA 2016-4541)

    Oh, David Y. / Goebel, Dan M. / Elkins-Tanton, Linda et al. | British Library Conference Proceedings | 2016


    e-psyche

    Oliver, Linda | Emerald Group Publishing | 2001


    Trauma und Psyche

    Kreutzer, G. | British Library Online Contents | 2012


    Trauma und Psyche

    Gerlach, C. | British Library Online Contents | 2012