The Arcus mission, proposed for NASA's 2016 Astrophysics Medium Explorer (MIDEX) announcement of opportunity, will use X-ray spectroscopy to detect previously unaccounted quantities of normal matter in the Universe. The Arcus mission design uses 4:1 lunar resonance to provide a stable orbit for visibility of widely-dispersed targets, in a low background radiation environment, above the Van Allen belts for the minimum two-year science mission. Additional ad-vantages of 4:1 resonance are long term stability without maintenance maneu-vers, eclipses under 4.5 hours, perigee radius approximately 12 Re for data download, and streamlined operational cadence with approximately 1 week orbit period.


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    Title :

    Arcus Mission Design: Stable Lunar-Resonant High Earth Orbit for X-Ray Astronomy


    Contributors:

    Conference:

    AAS/AIAA Astrodynamics Specialist Conference ; 2018 ; Snowbird, UT, United States


    Publication date :

    2018-08-19


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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