Goddard Space Flight Center is currently developing advanced spacecraft systems to provide autonomous navigation and control of formation flyers. This paper discusses autonomous relative navigation performance for formations in eccentric, medium, and high-altitude Earth orbits using Global Positioning System (GPS) Standard Positioning Service (SPS) and intersatellite range measurements. The performance of several candidate relative navigation approaches is evaluated. These analyses indicate that the relative navigation accuracy is primarily a function of the frequency of acquisition and tracking of the GPS signals. A relative navigation position accuracy of 0.5 meters root-mean-square (RMS) can be achieved for formations in medium-attitude eccentric orbits that can continuously track at least one GPS signal. A relative navigation position accuracy of better than 75 meters RMS can be achieved for formations in high-altitude eccentric orbits that have sparse tracking of the GPS signals. The addition of round-trip intersatellite range measurements can significantly improve relative navigation accuracy for formations with sparse tracking of the GPS signals.


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    Titel :

    Evaluation of Relative Navigation Algorithms for Formation-Flying Satellites


    Beteiligte:
    Kelbel, David (Autor:in) / Lee, Taesul (Autor:in) / Long, Anne (Autor:in) / Carpenter, J. Russell (Autor:in) / Gramling, Cheryl (Autor:in)


    Erscheinungsdatum :

    2001-06-01


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Relative Navigation of Formation Flying Satellites

    Long, Anne / Kelbel, David / Lee, Taesul et al. | NTRS | 2002


    Relative Navigation of Formation Flying Satellites

    A. Long / D. Kelbel / T. Lee et al. | NTIS | 2002


    Relative Navigation of Formation-Flying Satellites

    Long, Anne / Kelbel, David / Lee, Taesul et al. | NTRS | 2002


    Autonomous relative navigation for formation flying satellites

    Yunhua Wu, / Xibin Cao, / Dan Xue, | IEEE | 2006


    Autonomous Relative Navigation for Formation-Flying Satellites Using GPS

    C. Gramling / J. R. Carpenter / A. Long et al. | NTIS | 2000