Particle Distribution Of A Moon-Fed Dust Torus

Details Particle Distribution Of A Moon-Fed Dust Torus Particle Distribution Of A Moon-Fed Dust Torus

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008epsc.conf..769j&link_type=abstract

European Planetary Science Congress 2008, Proceedings of the conference held 21-25 September, 2008 in Münster, Germany. Online a

Computer Science

Scientific paper

Enceladus' south-polar gey- sers support a huge gas-dust plume towering the south pole of the moon. It is considered to be the main source Saturns E-ring, the largest dust complex of the solar system. Contrary to the spherically sym- metric impactor ejecta dust cre- ation, the dust plume provides a directed particle outflow from the moon. Using a simple probabilistic model, we study the effects of this asymmetric dust ejection on Enceladus' dust torus. Dust con- figurations are described by par- ticle distribution functions and the dynamical properties of the system are adressed through a set of transformations. The re- sulting distribution function of orbital elements describes the unperturbed dust torus. We showcase the differences in the resulting particle distributions between impactor ejecta pro- cesses and dust production by Enceladus plume, modeled by a directed point-sized source. The obtained orbital element distri- bution is compared to the results of numerical simulations of the problem.

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