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    An optimal Mars Trojan asteroid search strategy

    186831_63601_An_optimal_Mars_Trojan_asteroid_search_strategy.pdf (1.043Mb)
    Access Status
    Open access
    Authors
    Todd, Michael
    Tanga, P.
    Coward, D.
    Zadnik, Marjan
    Date
    2012
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Todd, M. and Tanga, P. and Coward, D. and Zadnik, M. 2012. An optimal Mars Trojan asteroid search strategy. Monthly Notices of the Royal Astronomical Society. 424 (1): pp. 372-376.
    Source Title
    Royal Astronomical Society. Monthly Notices
    DOI
    10.1111/j.1365-2966.2012.21204.x
    ISSN
    1745-3933
    Remarks

    The definitive version is available at www.blackwell-synergy.com, doi: 10.1111/j.1365-2966.2012.21204.x

    URI
    http://hdl.handle.net/20.500.11937/9250
    Collection
    • Curtin Research Publications
    Abstract

    Trojan asteroids are minor planets that share the orbit of a planet about the Sun and librate around the L4 or L5 Lagrangian points of stability. Although only three Mars Trojans have been discovered, models suggest that at least ten times this number should exist with diameters ≥ 1 km. We derive a model that constrains optimal sky search areas and present a strategy for the most efficient use of telescope survey time that maximizes the probability of detecting Mars Trojans. We show that the Gaia space mission could detect any Mars Trojans larger than 1 km in diameter, provided the relative motion perpendicular to Gaia’s CCD array is less than 0.40 arcsec per second.

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