Search for relations among a sample of 460 asteroids with featureless spectra

Details Search for relations among a sample of 460 asteroids with featureless spectra Search for relations among a sample of 460 asteroids with featureless spectra

Feb 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003icar..161..356c&link_type=abstract

Icarus, Volume 161, Issue 2, p. 356-382.

Computer Science

33

Scientific paper

We present an analysis of 460 featureless asteroid spectra in the range 0.5-0.92 μm obtained in the Small Solar System Objects Spectroscopic Survey. The spectra are described in terms of the continuum steepness (cSlope), its concavity (RRE), and the blue wing of drop in the UV reflectance (BD). Comparison with meteorite spectra confirms the link between CM meteorites and asteroids with asteroids with 0.7 μm band. Also, it is found that asteroids with extreme negative slope values may be related to CK chondrites and that asteroids with pronounced concave-down curvature are related to CO chondrites. An analysis of the distribution of the spectral parameters with semimajor axis, diameter, and albedo is performed.

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