Charged particle depletion surrounding Saturn's F ring - Evidence for a moonlet belt?

Details Charged particle depletion surrounding Saturn's F ring - Evidence for a moonlet belt? Charged particle depletion surrounding Saturn's F ring - Evidence for a moonlet belt?

May 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988icar...74..284c&link_type=abstract

Icarus (ISSN 0019-1035), vol. 74, May 1988, p. 284-324.

Physics

60

Charged Particles, Electron Capture, Magnetospheric Electron Density, Planetary Magnetospheres, Saturn Rings, Interplanetary Magnetic Fields, Pioneer 11 Space Probe, Roche Limit, Voyager Project, Saturn, Rings, F Ring, Charged Particles, Depletion, Moonlets, Electrons, Magnetosphere, Spacecraft Observations, Pioneer 11 Mission, Flux, Ejecta, Absorption, Hypotheses, Regolith, Collisions, Diagrams, Density, Size, Calculations, Orbits, Pandora, Prometheus, Origin, Orbital Elements, Parent Bodies, Theoretical S

Scientific paper

The authors have carefully reanalyzed two independent sets of observations of magnetospheric electron flux density measured by Pioneer 11 during Saturn encounter. They have obtained several new constraints on the diffusion coefficient of MeV electrons at 2.35 RS. Specifically, they find a diffusion coefficient for several MeV electrons of 1×10-9Rs2sec-1 < D < 3×10-8Rs2sec-1 at this location. The authors have then gone on to discuss some possibly far-reaching implications of the charged particle absorptions seen in these data. In particular, they have discussed the dynamics of an "asteroid belt" of as-yet mostly unseen objects large enough (100 m to 10 km radius) to be eroded but not destroyed by meteoroid impacts over the age of the solar system.

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