A single augmented extended Kalman filter (EKF) is proposed for the simultaneous and autonomous estimation of spacecraft trajectory and attitude with data from the Rossi X-ray timing explorer (RXTE) magnetometer and gyro-measured body rates. The derivation of the EKF is outlined, including the measurement update and the propagation. The results from a 12 hour span of data are processed and compared with operational estimations computed at the NASA Goddard Space Flight Center (MD). The filter was found to be able to overcome very large initial errors and converge to steady state averages of less than 30 km in position, 0.05 km/s in velocity and 3 deg in attitude.


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    Titel :

    The use of magnetic field data to estimate attitude and trajectory for the Rossi X-Ray Timing Explorer (RXTE)


    Beteiligte:

    Erscheinungsdatum :

    1997-02-01


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch




    The Use of Magnetic Field Data to Estimate Attitude and Trajectory for the Rossi X-Ray Timing Explorer (RXTE)

    Deutschmann, J. / Bar-Itzhack, I. | British Library Online Contents | 1997




    Experience Gained From Launch and Early Orbit Support of the Rossi X-Ray Timing Explorer (RXTE)

    Fink, D. R. / Chapman, K. B. / Davis, W. S. et al. | NTRS | 1996


    Estimating Attitude, Trajectory, and Gyro Biases in an Extended Kalman Filter Using Earth Magnetic Field Data From the Rossi X-Ray Timing Explorer

    Deutschmann, J. / Bar-Itzhack, I. / National Aeronautics and Space Administration | British Library Conference Proceedings | 1997