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Title:
Properties of the Near-Earth object population: the ACM 2005 view
Authors:
Binzel, Richard P.; Lupishko, Dimitrij F.
Publication:
Asteroids, Comets, Meteors, Proceedings of the 229th Symposium of the International Astronomical Union held in Búzios, Rio de Janeiro, Brasil August 7-12, 2005, Edited by D. Lazzaro, S. Ferraz-Mello & J.A. Fernández. Cambridge: Cambridge University Press, 2006., pp.207-214
Publication Date:
00/2006
Origin:
CUP
DOI:
10.1017/S1743921305006757
Bibliographic Code:
2006IAUS..229..207B

Abstract

Within the near-Earth object population, one finds asteroids, comets, and meteorites thereby placing the NEO population at the center of the ACM conference. The longstanding gulf between the spectral properties of S-type asteroids and ordinary chondrite meteorites appears to be bridged, where the observational data are consistent with a space weathering type process. As much as 30% of the entire NEO population may reside in orbits having a Jovian Tisserand parameter <30, and among these roughly half are observed to have comet-like physical properties in terms of their albedos and spectra (taxonomy). Thus 15±5% of the entire NEO population may be comprised by extinct or dormant comets.

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