Dynamics of momentum biased spacecraft in a near-polar orbit

Details Dynamics of momentum biased spacecraft in a near-polar orbit Dynamics of momentum biased spacecraft in a near-polar orbit

May 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983itaes..19..360s&link_type=abstract

IEEE Transactions on Aerospace and Electronic Systems (ISSN 0018-9251), vol. 19, May 1983, p. 360-367.

Physics

Equations Of Motion, Momentum Theory, Orbital Mechanics, Polar Orbits, Satellite Orbits, Spacecraft Motion, Aerodynamic Forces, Earth Rotation, Long Term Effects, Magsat Satellites, Spacecraft Orbits, Torque

Scientific paper

The equations of motion of a momentum biased spacecraft are derived in a general form. The spacecraft is assumed to be orbiting in a near-elliptical orbit. An aerodynamic torque model which accounts for the atmospheric superrotation is assumed. The equilibrum attitude angles are obtained in terms of modified Bessel functions. Analytic expressions for the long-term motion of the momentum biased axis are derived for special cases. The analysis is applicable to the Magsat mission.

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