Computer Science
Scientific paper
Nov 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001sosyr..35..469s&link_type=abstract
Solar System Research, v. 35, Issue 6, p. 469-479 (2001).
Computer Science
Scientific paper
We model the reflectance spectra of SI-SVII-subtype asteroids. The spectra of minor planets contain little information as regards the abundance of free metal and the form of its existence on the asteroid surfaces. We investigate the properties of a set of probable spectra for the surface pyroxene and olivine of minor planets. Clinopyroxene with high calcium and iron contents and orthopyroxene with a ferrosilite molecular content of about 40% are typical of the S-type asteroids. The subtype number of S-type asteroids can be correlated with the bulk pyroxene composition. The forsterite molecular content in asteroid olivine lies within the probable range 40-74%. The prevalence of pyroxene over olivine and feldspar in the computed compositions of S-type asteroids suggests the probable presence of basalts on their surfaces.
Golubeva L. F.
Shestopalov D. I.
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