Compositional Diversity among Binary Asteroid Population

Details Compositional Diversity among Binary Asteroid Population Compositional Diversity among Binary Asteroid Population

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf.1312r&link_type=abstract

EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.1312

Mathematics

Logic

Scientific paper

Composition of binary asteroids has important implications for their formation mechanism and impact hazard assessment. Constraining the composition can shed light on other physical parameters like albedo, bulk density, porosity and physical strength. Currently, it is possible to identify the surface mineralogy and estimate the mineral chemistry, mineral abundance, and petrologic history of binary asteroids using near-IR (0.75-2.5 μm) spectroscopic observations. While no mineralogical characterization projects have been completed on the binary asteroid population to date, a few authors [e.g., 1 and 2] have attempted to constrain the composition of individual components in binary system using innovative resolved spectroscopy with limited success. Here we present results from our mineralogical study of 30 main belt, Trojan and near-Earth asteroids (NEA) binaries and triplets to answer some simple questions about compositional trends.

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