METHOD AND APPARATUS FOR DETERMINING SPACECRAFT ATTITUDE BY TRACKING STARS

A method and a device for determining the attitude of a spacecraft by attitude determination using fast star identification using a so-called star tracker is proposed with an improved algorithm with pattern extraction based on rings having an equal area. In some embodiments a confidence value is att...

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Bibliographische Detailangaben
Hauptverfasser:	TORRES, Lionel, KHOREV, Andrey
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	GYROSCOPIC INSTRUMENTS MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING
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Beschreibung
Zusammenfassung:	A method and a device for determining the attitude of a spacecraft by attitude determination using fast star identification using a so-called star tracker is proposed with an improved algorithm with pattern extraction based on rings having an equal area. In some embodiments a confidence value is attributed to the candidates of the matching process improving significantly the verification process.