The inclinations of faint trans-neptunian objects

D. E. Trilling; C. I. Fuentes; M. J. Holman

doi:10.1088/2041-8205/724/1/L22

The inclinations of faint trans-neptunian objects

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

Astronomy and Planetary Sciences

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1 Scopus citations

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 language	English (US)
Pages (from-to)	L22-L24
Journal	Astrophysical Journal Letters
Volume	724
Issue number	1 PART 2
DOIs	https://doi.org/10.1088/2041-8205/724/1/L22
State	Published - Nov 20 2010

Keywords

Kuiper Belt: general
Surveys

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1088/2041-8205/724/1/L22

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AB - 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.

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The inclinations of faint trans-neptunian objects

Abstract

Keywords

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