Comparison of asteroid and meteorite spectra - Classification by principal component analysis

Details Comparison of asteroid and meteorite spectra - Classification by principal component analysis Comparison of asteroid and meteorite spectra - Classification by principal component analysis

Sep 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992icar...99..153b&link_type=abstract

Icarus (ISSN 0019-1035), vol. 99, no. 1, p. 153-166.

Computer Science

31

Asteroids, Classifications, Meteorites, Meteoritic Composition, Principal Components Analysis, Spectrum Analysis, Achondrites, Chondrites, Iron Meteorites

Scientific paper

The spectra of 103 meteorites and 411 asteroids have been statistically compared via principal component analysis, in order to arrive at an overview of spectral similarities between and among asteroids and meteorites; the result is a map of statistically defined relative spectral similarities measured by distance. There is much more spectral variance in the meteorites than in the asteroids. The analysis indicates no direct meteorite analogs from the outer-belt B, D, F, P, and T type asteroids, indicating that only a limited portion of the inner asteroid belt is sampled by meteorites.

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