Near-Earth objects can be grouped into multiple orbit classifications, among them being the Aten group, whose members have orbits crossing Earth's with semi-major axes less than 1 astronomical unit. Atens comprise well under 10% of known near-Earth objects. This is in dramatic contrast to results from recent human space flight near-Earth object accessibility studies, where the most favorable known destinations are typically almost 50% Atens. Geocentric dynamics explain this enhanced Aten accessibility and lead to an understanding of where the most accessible near-Earth objects reside. Without a comprehensive space-based survey, however, highly accessible Atens will remain largely unknown.


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    Title :

    Why Atens Enjoy Enhanced Accessibility for Human Space Flight


    Contributors:

    Conference:

    AAS/AIAA Astrodynamics Specialist Conference ; 2011 ; Girdwood, AK, United States


    Publication date :

    2011-07-31


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English


    Keywords :



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