A Monte Carlo approach to scattering off surfaces of triaxial ellipsoids

Details A Monte Carlo approach to scattering off surfaces of triaxial ellipsoids A Monte Carlo approach to scattering off surfaces of triaxial ellipsoids

Mar 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982icar...49..387t&link_type=abstract

Icarus, vol. 49, Mar. 1982, p. 387-397.

Computer Science

Albedo, Light Curve, Light Scattering, Monte Carlo Method, Asteroids, Brightness, Ellipsoids, Scattering Functions

Scientific paper

A Monte Carlo procedure is developed, for calculating the scattering properties of ellipsoidal bodies, which is applicable to the surfaces of asteroids modeled as triaxial ellipsoids. Efficiency is achieved by means of a simple coordinate transformation, and a modification of the acceptance-rejection technique to reflect the dependence of surface albedo on incidence angle allows the application of this technique to any surface-scattering function. It is demonstrated that the technique can calculate backscattered brightness, and the phase curve at small phase angles, with a high degree of accuracy and in brief computing times. After plotting the light curve amplitudes of biaxial ellipsoids as a function of the axial ratio, the application of the technique to direct integration is considered.

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