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The Oort cloud is usually thought of as a collection of icy comets inhabiting the outer reaches of the Solar system, but this picture is incomplete. We use simulations of

The Oort cloud is usually thought of as a collection of icy comets inhabiting the outer reaches of the Solar system, but this picture is incomplete. We use simulations of the formation of the Oort cloud to show that ∼4 per cent of the small bodies in the Oort cloud should have formed within 2.5 au of the Sun, and hence be ice-free rock-iron bodies. If we assume that these Oort cloud asteroids have the same size distribution as their cometary counterparts, the Large Synoptic Survey Telescope should find roughly a dozen Oort cloud asteroids during 10 years of operations.

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Date Created
  • 2015-01-11
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  • Text
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    Identifier
    • Digital object identifier: 10.1093/mnras/stu2267
    • Identifier Type
      International standard serial number
      Identifier Value
      1365-2966
    • Identifier Type
      International standard serial number
      Identifier Value
      0035-8711
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    • This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society. copyright: 2015 Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.

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    Shannon, Andrew, Jackson, Alan P., Veras, Dimitri, & Wyatt, Mark (2015). Eight billion asteroids in the Oort cloud. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 446(2), 2059-2064. http://dx.doi.org/10.1093/mnras/stu2267

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