A set of ephemerides due to Mariner 9 normal points was created and used in conjunction with radar range time delay measurements to improve the range residuals in planetary gravity field measurements. In addition to the ephemeris of Mars, the Mariner 9 spacecraft data have also affected the geocentric ephemeris of Venus, producing changes up to 5 km in range.


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    Title :

    Effect of Mariner 9 normal points on planetary ephemerides


    Contributors:


    Publication date :

    1973-07-15


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English


    Keywords :


    The JPL planetary ephemerides

    Standish, E. M., Jr. | NTRS | 1982


    Mariner Planetary Communication System

    B. D. Martin | NTIS | 1961



    Planetary position-velocity ephemerides obtained by special perturbations

    Peabody, P.R. / Block, N. | Engineering Index Backfile | 1963