Release of Impact-debris in Perturbed Ring Regions: Dynamical and Photometric Simulations.

Details Release of Impact-debris in Perturbed Ring Regions: Dynamical and Photometric Simulations. Release of Impact-debris in Perturbed Ring Regions: Dynamical and Photometric Simulations.

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007dps....39.1002s&link_type=abstract

American Astronomical Society, DPS meeting #39, #10.02; Bulletin of the American Astronomical Society, Vol. 39, p.425

Astronomy and Astrophysics

Astronomy

Scientific paper

The typical impact velocities in Saturn's rings are of the order of a
few mm/sec. In such a small velocity regime the larger ring particles are likely to be covered by a regolith of smaller particles (see Albers & Spahn 2005). However, in the perturbed ring regions (e.g. due to satellite density waves, strong self-gravity wakes, viscous overstabilities) the impact velocities may be sufficiently enhanced to lead to a significant release of free regolith debris. We explore this possibility via local N-body simulations, keeping track of the distribution of debris-producing fast impacts. The potential photometric consequences of such free debris are checked with Monte Carlo simulations.

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