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Space weathering and tidal effects among near-Earth objects

Published online by Cambridge University Press:  01 August 2006

S. Marchi ,
P. Paolicchi ,
D. Nesvorný ,
S. Magrin  and
M. Lazzarin
S. Marchi
Affiliation:
Dipartimento di Astronomia, Università di Padova, Vicolo dell'Osservatorio 2, I-35122 Padova, Italy email: simone.marchi@unipd.it; sara.magrin.1@unipd.it; monica.lazzarin@unipd.it
P. Paolicchi
Affiliation:
Dipartimento di Fisica, Università di Pisa, largo Pontecorvo 3, I-56127 Pisa, Italy email: paolicchi@df.unipi.it
D. Nesvorný
Affiliation:
Department of Space Studies, Southwest Research Institute, 1050 Walnut St., Boulder, CO 80302, USA email: davidn@boulder.swri.edu
S. Magrin
Affiliation:
Dipartimento di Astronomia, Università di Padova, Vicolo dell'Osservatorio 2, I-35122 Padova, Italy email: simone.marchi@unipd.it; sara.magrin.1@unipd.it; monica.lazzarin@unipd.it
M. Lazzarin
Affiliation:
Dipartimento di Astronomia, Università di Padova, Vicolo dell'Osservatorio 2, I-35122 Padova, Italy email: simone.marchi@unipd.it; sara.magrin.1@unipd.it; monica.lazzarin@unipd.it
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Abstract

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The effect of the space weathering on the spectral properties of the S–complex asteroids (both Main Belt bodies and near–Earth asteroids) has been widely discussed in recent times. It has also shown that the evolution of spectral properties of planet–crossing bodies, and in particular of near–Earth asteroids (NEAs), is also affected by other physical processes, such as tidal resurfacing due to close encounters with planetary bodies. In this paper we show how to combine previous analyses with the purpose of obtaining a global model for NEAs space weathering.

Keywords

asteroid, surfacesasteroid, spectraspace weathering
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. 233 - 238
Copyright
Copyright © International Astronomical Union 2007

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