Mineralogical characterizations of asteroid surface materials from reflectance spectroscopy - A review

Details Mineralogical characterizations of asteroid surface materials from reflectance spectroscopy - A review Mineralogical characterizations of asteroid surface materials from reflectance spectroscopy - A review

May 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977spmf.conf.....g&link_type=abstract

American Institute of Aeronautics and Astronautics and Princeton University, Conference on Space Manufacturing Facilities, 3rd,

Astronomy and Astrophysics

Astronomy

1

Asteroids, Planetary Surfaces, Spectral Reflectance, Surface Properties, Albedo, Astronomical Photometry, Astronomical Spectroscopy, Ceres Asteroid, Chemical Composition, Mineralogy, Space Commercialization, Spectrum Analysis, Vesta Asteroid

Scientific paper

The review discusses mineral assemblages found on asteroid surfaces and identified by reflectance spectroscopy. These assemblages are either comparable to most known meteorite types or have undergone processes such as melting and differentiation which would produce meteoritic assemblages. The majority of Main Belt asteroids have surface materials similar to C2 chondritic assemblages (unleached clay materials plus perhaps 2.5% H2O and C). Metal-rich surface materials are relatively common on asteroids of the Inner Belt. The ordinary chondrites (2-20% metal plus mafic silicates and no significant H2O or C), which dominate the meteoritic flux reaching earth's surface, are very rare or absent on Main Belt asteroids but appear common on the small asteroids which approach or cross earth's orbit. Future interpretations of asteroidal spectra might permit the evaluation of specific asteroids as the source bodies of particular meteorites.

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