To meet future orbit determination accuracy requirements for different NASA projects, analyses are performed using Tracking and Data Relay Satellite System (TDRSS) tracking measurements and orbit determination improvements in areas such as the modeling of the Earth's gravitational field. Current operational requirements are satisfied using the Goddard Earth Model-9 (GEM-9) geopotential model with the harmonic expansion truncated at order and degree 21 (21-by-21). This study evaluates the performance of 36-by-36 geopotential models, such as the GEM-10B and Preliminary Goddard Solution-3117 (PGS-3117) models. The Earth Radiation Budget Satellite (ERBS) and LANDSAT-5 are the spacecraft considered in this study.


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    Titel :

    Evaluation of Advanced Geopotential Models for Operational Orbit Determination


    Beteiligte:
    M. S. Radomski (Autor:in) / B. E. Davis (Autor:in) / M. V. Samii (Autor:in) / C. J. Engel (Autor:in) / C. E. Doll (Autor:in)

    Erscheinungsdatum :

    1988


    Format / Umfang :

    18 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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