This paper presents the orbit determination strategy and results in navigating the Galileo spacecraft from launch through its Venus and first earth flybys. Many nongravitational effects were estimated, including solar radiation pressure, small velocity impulses from attitude changes and eight trajectory correction maneuvers. Tracking data consisted of S-Band Doppler and range. The fitting of Doppler was difficult since one of the cpacecraft's two antennas was offset from the spin axis, thus producing the sinusoidal velocity fluctuation seen in the data. Finally, Delta Differential One-way Range data was used during the last three months of the earth approach to help deliver the spacecraft to within desired accuracy.


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    Titel :

    Galileo orbit determination for the Venus and Earth-1 flybys


    Beteiligte:
    Kallemeyn, P. H. (Autor:in) / Haw, R. J. (Autor:in) / Pollmeier, V. M. (Autor:in) / Nicholson, F. T. (Autor:in) / Murrow, D. W. (Autor:in)

    Kongress:

    AAS/AIAA Astrodynamics Conference ; 1991 ; Durango, CO, United States


    Erscheinungsdatum :

    01.01.1992


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


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