A Pioneer-class spinning spacecraft, serving as an orbiter of the planet Jupiter, depends on close-tolerance pointing of the spin axis toward earth for communications, and on a uniform spacecraft spin rate for control and correlation of scientific measurements. However, these attitude characteristics are subject to perturbations due to the gravity gradient and the magnetic field associated with Jupiter. The mechanisms of these perturbing effects are identified, and their magnitudes are estimated in parametric analyses. The conditions which can lead to perturbations which are significant to the mission and the means of alleviating these conditions are indicated.
Attitude perturbations of a spinning Jupiter Orbiter spacecraft.
American Institute of Aeronautics and Astronautics and American Astronautical Society, Astrodynamics Conference, Palo Alto
1972-09-01
Aufsatz (Konferenz)
Keine Angabe
Englisch
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