Physics
Scientific paper
Jan 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986sci...231..480f&link_type=abstract
Science (ISSN 0036-8075), vol. 231, Jan. 31, 1986, p. 480-483.
Physics
18
Orbit Perturbation, Satellite Observation, Satellite Perturbation, Uranus Rings, Charge Coupled Devices, Voyager Project, Uranus, Perturbations, Rings, Orbits, Celestial Mechanics, Resonance, Shepherd Satellites, Patterns, Viscosity, Gamma Ring, Delta Ring
Scientific paper
Since the discovery of the Uranian rings in 1977, it has been possible to determine the orbits of the rings with remarkable precision. It has been found that seven of the nine known rings follow well-behaved Keplerian ellipses. However, two adjacent rings, gamma and delta, deviate significantly from simple ellipses, with residuals of up to 10 km. The present report is concerned with a test of two possible causes of the observed perturbations in the case of the gamma and delta rings, taking into account shepherd satellites which are presumed to confine the sharp-edged narrow rings, and low-order Lindblad resonances.
Elliot James L.
French Richard G.
Kangas J. A.
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