Modelling asteroid brightness variations. I - Numerical methods

Details Modelling asteroid brightness variations. I - Numerical methods Modelling asteroid brightness variations. I - Numerical methods

Jan 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...208..314k&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 208, no. 1-2, Jan. 1989, p. 314-319. Research supported by the Herman Rosenber

Astronomy and Astrophysics

Astronomy

6

Asteroids, Astronomical Models, Light Curve, Cartesian Coordinates, Phase Shift, Asteroids, Models, Brightness, Numerical Methods, Lightcurves, Shape, Scattering, Parameters, Calculations, Astronomy, Geometry, Diagrams, Surface, Brightness, Imagery, Techniques

Scientific paper

A method for generating lightcurves of asteroid models is presented. The effects of the shape of the asteroid and the scattering law of a surface element are distinctly separable, being described by chosen functions that can easily be changed. The shape is specified by means of two functions that yield the length of the radius vector and the normal vector of the surface at a given point. The general shape must be convex, but spherical concavities producing macroscopic shadowing can also be modeled.

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