Stability of polar rings around Neptune

Details Stability of polar rings around Neptune Stability of polar rings around Neptune

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989icar...81..132d&link_type=abstract

Icarus (ISSN 0019-1035), vol. 81, Sept. 1989, p. 132-144.

Physics

8

Neptune (Planet), Neptune Satellites, Orbit Perturbation, Planetary Rings, Energy Dissipation, Polar Regions, Triton, Voyager 2 Spacecraft, Neptune, Rings, Polar Regions, Stability, Diagrams, Calculations, Radius, Satellite Effects, Perturbations, Theoretical Studies, Simulations, Orbits, Collisions, Equilibrium, Models

Scientific paper

An analytical and numerical study of the stability of polar rings around Neptune is presented. The stability proofs are based on various methods used to study gas disks in galaxies. It is shown that stable polar rings can exist despite energy dissipation by collisions between particles. Also, four equilibrium orientations which pass nearly over the pole of Neptune are found, two of which are stable in the presence of dissipation.

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