The ESA Mars Express Orbiter will be nearly polar and have an initial orbital period of 7.6 hours for the first 440 days and then will reduce its period to 6.7 hours. As periapsis of the elliptical orbit walks around Mars every 2 years, the ascending and descending nodes of the Mars Express orbit on the Mars equatorial plane will have the same radius as the orbit of Phobos and close encounters of Phobos will occur when Phobos is near the node as Mars Express passes.


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    Title :

    Mars Express: exploration of Phobos


    Contributors:

    Conference:

    26th General Assembly of EGS


    Publication date :

    2001-04-25


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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