Mathematics – Logic
Scientific paper
May 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980ssrv...26...97i&link_type=abstract
Space Science Reviews, vol. 26, May 1980, p. 97-109.
Mathematics
Logic
2
Jupiter Rings, Planetology, Saturn Rings, Uranus Rings, Dynamic Characteristics, Pioneer 11 Space Probe, Planetary Orbits, Ring Structures, Roche Limit, Space Debris, Trapped Particles, Voyager 1 Spacecraft, Voyager 2 Spacecraft, Planets, Rings, Physical Properties, Dynamics, Origin, Jupiter, Uranus, Saturn, Data, Voyager 1, Voyager 2, Pioneer 11, Electrons, Protons, Flux, Particles, Photographs, Mathematical Models, Orbits, Absorption, Satellites, Radiation, Magnetosphere, Comparisons, Roche Limit, Tidal E
Scientific paper
Recent developments concerning the dynamical origin of the rings of Uranus and the discovery of new Jupiter and Saturn rings by the Voyager 1 and 2 and Pioneer 11 spacecraft are reviewed. The model proposed by Goldreich and Tremaine (1979) for the focusing of the narrow Uranus rings by pairs of satellites and by Dermott et al. (1979) for the trapping of particles representing satellite debris in horseshoe orbits by resonant perturbations of these satellites are discussed, and implications of the synchronous orbit being outside the Roche limit for ring formation are considered. Morphological characteristics of the Jupiter ring detected optically by the Voyager spacecraft are presented, and ring particle densities and masses, effective absorption area and production rate are estimated. The discoveries of two new satellites of Saturn by Pioneer 11, as well as a faint narrow ring, a gap between the A and F rings, an upper limit of 3,000,000 Saturn masses to the total ring mass, and the narrowness of the F ring are indicated, and implications for ring dynamics and structures are considered.
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