A method is presented by which the attitude of a low-Earth orbiting spacecraft may be determined using a vector magnetometer, a digital Sun sensor, and a mathematical model of the Earth's magnetic field. The method is currently being implemented for the Solar Maximum Mission spacecraft (as a backup for the failing star trackers) as a way to determine roll gyro drift.
Spacecraft Attitude Determination Using the Earth's Magnetic Field
1989
20 pages
Report
No indication
English
Astronautics , Geomagnetism , Attitude control , Earth magnetosphere , Gyroscopic stability , Magnetic control , Planetary magnetic fields , Spacecraft control , Drift (Instrumentation) , Magnetometers , Mathematical models , Roll , Solar maximum mission , Solar sensors , Vectors (Mathematics) , Satellite attitude
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