The inclinations of faint trans-neptunian objects

David E Trilling, C. I. Fuentes, M. J. Holman

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Abstract

Bernstein et al. found that the population of faint (R > 26) trans-Neptunian objects (TNOs) known at that time was dominated by "Classical" objects, which have low inclinations (i < 5°) and distances of 40-45 AU. Since those observations, the number of faint TNOs whose orbits are sufficiently well known to be classified as "Classical" or "Excited" has grown from 7 to 39. We analyze the dynamical classifications of faint TNOs known today and find that this population is dominated by Excited objects. We discuss some implications of this result.

Original languageEnglish (US)
JournalAstrophysical Journal Letters
Volume724
Issue number1 PART 2
DOIs
StatePublished - Nov 20 2010

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Keywords

  • Kuiper Belt: general
  • Surveys

ASJC Scopus subject areas

  • Space and Planetary Science
  • Astronomy and Astrophysics

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