The TOPEX/Poseidon satellite oceanography mission will require very accurate orbit determination in order to fulfill its mission requirements of altimetrically mapping the ocean surface with approximately 10 centimeter accuracy. To meet such stringent orbit determination specifications will require very accurate tracking data and very accurate dynamical models of the satellite motion. The accuracy of the TOPEX/Poseidon orbit is expected to be driven by the accuracy of the earth's gravity field model. Expected orbit accuracy for several recent gravity models is presented. Both the capability of the models for modeling the motion of TOPEX/Poseidon and their global modeling characteristics are discussed. In addition, the gravity model improvement that can be expected by utilizing GPS tracking of TOPEX/Poseidon is evaluated. This evalution is based on a recent simulation of a gravity field recovery using 10 days of TOPEX/Poseidon GPS tracking.


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    Titel :

    Gravity field covariance analysis for the TOPEX/Poseidon mission


    Beteiligte:
    Rosborough, G. W. (Autor:in) / Bertiger, W. I. (Autor:in) / Wu, J. T. (Autor:in) / Wu, S. C. (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 :


    TOPEX/POSEIDON Mission Overview

    Escudier, P. / Dorrer, M. / Menard, Y. et al. | NTRS | 1994


    TOPEX/Poseidon mission early results

    Fu, Lee-Lueng / Yamarone, Charles A. / Christensen, Edward J. | NTRS | 1993


    TOPEX-POSEIDON: le concept de mission

    Minster, Jean-François | Online Contents | 1995


    TOPEX-POSEIDON: le concept de mission

    Minster, Jean-François | Online Contents | 1995


    TOPEX/Poseidon - An international satellite oceanography mission

    Townsend, W. F. / Fellous, J.-L. | NTRS | 1986