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Physical models of asteroids from sparse photometric data

Published online by Cambridge University Press:  01 August 2006

Josef Ďurech ,
Petr Scheirich ,
Mikko Kaasalainen ,
Tommy Grav ,
Robert Jedicke  and
Larry Denneau
Josef Ďurech
Affiliation:
Astronomical Institute, Charles University in Prague, V HoleŠovičkách 2, 18000, Prague, Czech Republic, email: [email protected] Department of Mathematics and Statistics, Rolf Nevanlinna Institute, University of Helsinki, P.O. Box 68, 00014 Helsinki, Finland
Petr Scheirich
Affiliation:
Astronomical Institute, Academy of Sciences of the Czech Republic, Fričova 1, 25165 Ondřejov, Czech Republic
Mikko Kaasalainen
Affiliation:
Department of Mathematics and Statistics, Rolf Nevanlinna Institute, University of Helsinki, P.O. Box 68, 00014 Helsinki, Finland
Tommy Grav
Affiliation:
Institute for Astronomy, University of Hawaii, 2680 Woodlawn Drive, Honolulu, Hawaii, 96822, USA
Robert Jedicke
Affiliation:
Institute for Astronomy, University of Hawaii, 2680 Woodlawn Drive, Honolulu, Hawaii, 96822, USA
Larry Denneau
Affiliation:
Institute for Astronomy, University of Hawaii, 2680 Woodlawn Drive, Honolulu, Hawaii, 96822, USA
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Abstract

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We present an overview of our work on shape and spin state determination of asteroids from photometric data sparse in time. Our results are based on simulations that were performed using realistic shape and light-scattering models and time sequences that will be provided by Pan-STARRS (Panoramic Survey Telescope and Rapid Response System). We show some typical examples of physical model reconstruction of main belt and near-Earth asteroids and discuss the lightcurve inversion of slow and fast rotators, binary asteroids and tumbling asteroids. We emphasize the scientific potential of sparse photometric data to produce models of a large number of asteroids within the next few years.

Keywords

surveyphotometryasteroidlightcurvesasteroidshape
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S236: Near Earth Objects, our Celestial Neighbors: Opportunity and Risk , August 2006 , pp. 191 - 200
Copyright
Copyright © International Astronomical Union 2007

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