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Near-Earth Asteroid 2005 CR37: Radar Images and Photometry of a Candidate Contact BinaryArecibo (2380 MHz, 13 cm) radar observations of 2005 CR37 provide detailed images of a candidate contact binary: a 1.8-km-long, extremely bifurcated object. Although the asteroid's two lobes are round, there are regions of modest topographic relief, such as an elevated, 200-m-wide facet, that suggest that the lobes are geologically more complex than either coherent fragments or homogeneous rubble piles. Since January 1999, about 9% of NEAs larger than approx.200 m imaged by radar can be described as candidate contact binaries.
Document ID
20070034780
Acquisition Source
Jet Propulsion Laboratory
Document Type
Reprint (Version printed in journal)
Authors
Benner, Lance A. M.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Nolan, Michael C.
(Arecibo Ionospheric Observatory Arecibo, Puerto Rico)
Ostro, Steven J.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Giorgini, Jon D.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Pray, Donald P.
(Carbuncle Hill Observatory Coventry, RI, United States)
Harris, Alan W.
(Space Science Inst. La Canada, CA, United States)
Magri, Christopher
(Maine Univ. Farmington, ME, United States)
Margot, Jean-Luc
(Cornell Univ. Ithaca, NY, United States)
Date Acquired
August 24, 2013
Publication Date
March 13, 2006
Publication Information
Publication: Icarus
Publisher: Elsevier, Inc.
Volume: 182
ISSN: 0019-1035
Subject Category
Astronomy
Funding Number(s)
CONTRACT_GRANT: NSF AST-02-05974
Distribution Limits
Public
Copyright
Other
Keywords
asteroids
radar
compostition
near Earth objects
surfaces

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