Radar investigation of asteroids

Details Radar investigation of asteroids Radar investigation of asteroids

Jul 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984cuni.reptq....o&link_type=abstract

Semiannual Status Report, 1 Jan. - 30 Jun. 1984 Cornell Univ., Ithaca, NY. Center for Radiophysics and Space Research.

Physics

Asteroids, Radar Cross Sections, Radar Echoes, Radar Scattering, Radar Signatures, Spectrum Analysis, Backscattering, Bandwidth, Mineralogy, Normal Density Functions, Particle Size Distribution, Surface Properties

Scientific paper

The initial radar observations of the mainbelt asteroids 9 Metis, 27 Euterpe, and 60 Echo are examined. For each target, data are taken simultaneously in the same sense of circular polarization as transmitted as well as in the opposite (OC) sense. Estimates of the radar cross sections provide estimates of the circular polarization ratio, and the normalized OC radar cross section. The circular polarization ratio, is comparable to values measured for other large S type asteroids and for a few much smaller, Earth approaching objects, most of the echo is due to single reflection backscattering from smooth surface elements.

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