The strategy followed in maintaining the station point and the results achieved are described. The method used for orbit determination is presented. Azimuth and elevation data from SHF antennas were used as input for the determination. An estimation of the uncertainty of the orbit was given and a comparison was made between determinations performed using the method here described and determinations performed using VHF ranging data. Also, the difference in using data from a single SHF station or two stations was shown. In the area of attitude determination, a study was carried out for predicting the spacecraft spin axis precession. The model used was explained and then the agreement between predicted and measured attitude outlined.


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    Titel :

    SIRIO: One year of station keeping


    Beteiligte:
    Palutan, F. (Autor:in) / Trumpy, S. (Autor:in)


    Erscheinungsdatum :

    01.04.1979


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    The SIRIO programme

    Carassa, F. / Macchia, M. | Tema Archiv | 1975


    Sirio - Göteborgs nya spårvagn

    Johansson, Thoma | IuD Bahn | 2005



    Introduction to the Sirio-2 programme

    Battrick, B. ;Mort, J. | TIBKAT | 1981


    Sirio repeater designed for SHF experiments

    Perrotta, G. | Tema Archiv | 1978