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Conference paper

The Advanced Stellar Compass onboard the Oersted satellite

In Proceedings on Submit To: 3rd Esa Symp. on Spacecraft Guidance, Navigation & Control. Systems — 1997, pp. 303-310

By Jørgensen, John Leif1; Eisenman, Allan R.2; Liebe, Carl Christian1; Jensen, Gunnar Bent1

From

Department of Automation, Technical University of Denmark1

NASA Jet Propulsion Laboratory2

In 1997 the first Danish satellite will be launched. The primarily scientific objective of the satellite is to map the magnetic field of the Earth. The attitude of the satellite is determined by an advanced stellar compass (star tracker). An advanced stellar compass consists of a CCD camera connected to a powerful microcomputer.

The instrument is operating by comparing the images from the camera with an onboard star catalogue. This determines the attitude of the CCD camera relative to the celestial sphere. Performance evaluation and calibration of the instrument has been performed by menas of tests at the University of Hawaii, Mauna Kea Observatory, Hawaii.

This paper will describe the nature of these tests. Also, the performance of the advanced stellar compass will be discussed.

Language: English
Publisher: ESA Publications Division
Year: 1997
Pages: 303-310
Proceedings: SUBMIT TO: 3rd ESA Symp. on Spacecraft Guidance, Navigation & Control. Systems
Types: Conference paper
ORCIDs: Jørgensen, John Leif

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