THE ADVANCED STELLAR COMPASS: DEVELOPMENT AND OPERATIONS

John Leif Jørgensen, Carl Christian Liebe

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    Abstract

    The science objective of the Danish Geomagnetic Research Satellite "Ørsted" is to map the magnetic field of the Earth, with a vector precision of a fraction of a nanotesla. This necessitates an attitude reference instrument with a precision of a few arcseconds onboard the satellite. To meet this demand the Advanced Stellar Compass (ASC), a fully autonomous miniature star tracker, was developed. This ASC is capable of both solving the "lost in space" problem and determine the attitude with arcseconds precision. The development, principles of operation and instrument autonomy of the ASC is described, and key physical and performance data are given.
    Original languageEnglish
    Title of host publicationActa Astronautica 39/9-12
    Place of PublicationBerlin
    PublisherPergamon Press
    Publication date1997
    Pages775-783
    Publication statusPublished - 1997
    EventIAA, symposium - Berlin
    Duration: 1 Jan 1996 → …

    Conference

    ConferenceIAA, symposium
    CityBerlin
    Period01/01/1996 → …

    Cite this

    Jørgensen, J. L., & Liebe, C. C. (1997). THE ADVANCED STELLAR COMPASS: DEVELOPMENT AND OPERATIONS. In Acta Astronautica 39/9-12 (pp. 775-783). Pergamon Press.