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    Overcoming the Challenges Associated with Image-Based Mapping of Small Bodies in Preparation for the OSIRIS-REx Mission to (101955) Bennu

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    DellaGiustina_et_al-2018-Earth ...
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    Author
    DellaGiustina, D. N.
    Bennett, C. A.
    Becker, K.
    Golish, D. R.
    Le Corre, L. cc
    Cook, D. A.
    Edmundson, K. L.
    Chojnacki, M.
    Sutton, S. S.
    Milazzo, M. P.
    Carcich, B.
    Nolan, M. C.
    Habib, N.
    Burke, K. N.
    Becker, T.
    Smith, P. H.
    Walsh, K. J.
    Getzandanner, K.
    Wibben, D. R.
    Leonard, J. M.
    Westermann, M. M.
    Polit, A. T.
    Kidd, J. N.
    Hergenrother, C. W.
    Boynton, W. V.
    Backer, J.
    Sides, S.
    Mapel, J.
    Berry, K.
    Roper, H.
    Drouet d'Aubigny, C.
    Rizk, B.
    Crombie, M. K.
    Kinney-Spano, E. K.
    de León, J.
    Rizos, J. L.
    Licandro, J.
    Campins, H. C.
    Clark, B. E.
    Enos, H. L.
    Lauretta, D. S.
    Show allShow less
    Affiliation
    Univ Arizona
    Issue Date
    2018-12-21
    Keywords
    small bodies
    Bennu
    OSIRIS-REx
    mapping
    asteroid
    OCAMS images
    
    Metadata
    Show full item record
    Publisher
    AMERICAN GEOPHYSICAL UNION
    Citation
    DellaGiustina, D. N., Bennett, C. A., Becker, K., Golish, D. R., Le Corre, L., Cook, D. A., et al. (2018). Overcoming the challenges associated with image‐based mapping of small bodies in preparation for the OSIRIS‐REx mission to (101955) Bennu. Earth and Space Science, 5, 929– 949. https://doi.org/10.1029/2018EA000382
    Journal
    EARTH AND SPACE SCIENCE
    Rights
    ©2018. The Authors. This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial‐NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    The OSIRIS‐REx Asteroid Sample Return Mission is the third mission in National Aeronautics and Space Administration (NASA)'s New Frontiers Program and is the first U.S. mission to return samples from an asteroid to Earth. The most important decision ahead of the OSIRIS‐REx team is the selection of a prime sample‐site on the surface of asteroid (101955) Bennu. Mission success hinges on identifying a site that is safe and has regolith that can readily be ingested by the spacecraft's sampling mechanism. To inform this mission‐critical decision, the surface of Bennu is mapped using the OSIRIS‐REx Camera Suite and the images are used to develop several foundational data products. Acquiring the necessary inputs to these data products requires observational strategies that are defined specifically to overcome the challenges associated with mapping a small irregular body. We present these strategies in the context of assessing candidate sample sites at Bennu according to a framework of decisions regarding the relative safety, sampleability, and scientific value across the asteroid's surface. To create data products that aid these assessments, we describe the best practices developed by the OSIRIS‐REx team for image‐based mapping of irregular small bodies. We emphasize the importance of using 3‐D shape models and the ability to work in body‐fixed rectangular coordinates when dealing with planetary surfaces that cannot be uniquely addressed by body‐fixed latitude and longitude.
    Note
    Open access journal
    ISSN
    2333-5084
    DOI
    10.1029/2018ea000382
    Version
    Final published version
    ae974a485f413a2113503eed53cd6c53
    10.1029/2018ea000382
    Scopus Count
    Collections
    UA Faculty Publications

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