An R-type asteroid within near-Earth objects?

Details An R-type asteroid within near-Earth objects? An R-type asteroid within near-Earth objects?

Jun 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004a%26a...420l...5m&link_type=abstract

Astronomy and Astrophysics, v.420, p.L5-L8 (2004)

Astronomy and Astrophysics

Astrophysics

6

Minor Planet, Asteroids, Near-Earth Objects

Scientific paper

We present visible and near-infrared spectroscopy of 2001 XR31, a previously unclassified small near-Earth object (NEOs). Its spectrum resembles that of basaltic body, with the distinctive 1 and 2 μm pyroxene absorption bands, similar to those found on V-type bodies. However, the spectrum of 2001 XR31 is somewhat peculiar and we discuss whether it can belong to another class of basaltic bodies, namely the rare R-class.
If confirmed, this object would be the only R-type detected among NEOs so far. In the light of this possibility, we also discuss the relationships of 2001 XR31 with other main belt R-types and a possible explanation of its origin.
Based on observations performed at ESO, program No. 71.C-0157, P.I., M. Lazzarin.

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