Computer Science
Scientific paper
Jul 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992icar...98..141h&link_type=abstract
Icarus (ISSN 0019-1035), vol. 98, no. 1, July 1992, p. 141-150.
Computer Science
6
Electromagnetic Fields, Gravitational Effects, Planetary Magnetospheres, Planetary Orbits, Saturn Rings, Drag, Electromagnetism, Magnetohydrodynamics, Planetary Magnetic Fields
Scientific paper
The present treatment of the evolution of orbits in a gravitational/EM field like the Saturn magnetosphere calculates the average relative change in eccentricity for different initial orbits and different plasma conditions. A plasma model is used which may be suitable for the Saturn E-ring plasma, with a cold and hot electron component and production of secondary electrons. If E-ring dust particles are injected by Enceladus at low eccentricities, they will retain these eccentricities in the current plasma environment; this implies that the orbits would drift slowly outward under the influence of plasma drag, and that perturbing forces may be strongly dependent on global or local plasma conditions and/or dust properties.
Havnes Ove
Melandso Frank
Morfill Gregor E.
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