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    Radar observations of Itokawa in 2004 and improved shape estimation

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    Author
    Ostro, Steven J.
    Benner, Lance A. M.
    Magri, Christopher
    Giorgini, Jon D.
    Rose, Randy
    Jurgens, Raymond F.
    Yeomans, Donald K.
    Hine, Alice A.
    Nolan, Michael C.
    Scheeres, Daniel J.
    Broschart, Stephen B.
    Kaasalainen, Mikko
    Margot, Jean-Luc
    Show allShow less
    Issue Date
    2005-01-01
    Keywords
    Hayabusa mission
    asteroid surface
    remote sensing
    Itokawa
    radar
    
    Metadata
    Show full item record
    Citation
    Ostro, S. J., Benner, L. A., Magri, C., Giorgini, J. D., Rose, R., Jurgens, R. F., ... & Margot, J.-L.. (2005). Radar observations of Itokawa in 2004 and improved shape estimation. Meteoritics & Planetary Science, 40(11), 1563-1574.
    Publisher
    The Meteoritical Society
    Journal
    Meteoritics & Planetary Science
    URI
    http://hdl.handle.net/10150/656062
    DOI
    10.1111/j.1945-5100.2005.tb00131.x
    Additional Links
    https://meteoritical.org/
    Abstract
    We present June 2004 radar images of asteroid 25143 Itokawa (1998 SF36) that improve upon the longitude-latitude coverage of images obtained in 2001 by Ostro et al. (2004) and use the 2001-2004 data to refine that papers constraints on Itokawas shape. The 2004 images, the first of the asteroids southern side, look distinctly different from the 2001 images, revealing leading edges that are much more curved and rugged than the nearly convex leading edges seen at northern latitudes in 2001. Itokawa is shaped like a slightly asymmetrical, bent, lumpy ellipsoid with dimensions along the principal axes within 10% of 594 x 320 x 288 m. To illustrate the uncertainty space associated with shape reconstruction from images with suboptimal orientational coverage, we present two alternative three-dimensional models of the object.
    Type
    Article
    text
    Language
    en
    ISSN
    1945-5100
    ae974a485f413a2113503eed53cd6c53
    10.1111/j.1945-5100.2005.tb00131.x
    Scopus Count
    Collections
    Meteoritics & Planetary Science, Volume 40, Number 11 (2005)

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