Radar Observations of Asteroid 1862 Apollo期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Radar Observations of Asteroid 1862 Apollo

Authors:	Steven J. OstroKeith D. Rosema Donald B. CampbellIrwin I. Shapiro

Affiliation:	^a 300-233, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, 91109-8099, f1ostro@reason.jpl.nasa.govf1 ^b 300-233, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, 91109-8099 ^c Department of Astronomy, Space Sciences Building, Cornell University, Ithaca, New York, 15853-6801 ^d Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, Massachusetts, 02138

Abstract:	Arecibo radar echo spectra show the Q-class asteroid 1862 Apollo to have an elongation within 10% of 1.27, a pole-on silhouette with an average dimension of about 1.7 km, and disc-integrated radar properties that are typical for radar-detected near-Earth asteroids.

Keywords:	asteroids
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