Spacecraft attitude determination using the earth's magnetic field

Details Spacecraft attitude determination using the earth's magnetic field Spacecraft attitude determination using the earth's magnetic field

Oct 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989fmet.symp..255s&link_type=abstract

In NASA, Goddard Space Flight Center, Flight Mechanics/Estimation Theory Symposium, 1989 p 255-274 (SEE N90-13413 05-13)

Mathematics

Attitude Control, Earth Magnetosphere, Geomagnetism, Gyroscopic Stability, Magnetic Control, Planetary Magnetic Fields, Spacecraft Control, Drift (Instrumentation), Magnetometers, Mathematical Models, Roll, Solar Maximum Mission, Solar Sensors, Vectors (Mathematics)

Scientific paper

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.

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