Astronomy and Astrophysics – Astronomy
Scientific paper
May 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010dda....41.0203v&link_type=abstract
American Astronomical Society, DDA meeting #41, #2.03; Bulletin of the American Astronomical Society, Vol. 41, p.925
Astronomy and Astrophysics
Astronomy
Scientific paper
Several recent studies find some indications of correlations between the orbital inclinations and physical properties (such as size, color, albedo, and binarity) of classical Kuiper belt objects. To make sense of such correlations, it is important to understand the history of these objects' orbital inclinations. We have investigated the long-term evolution of the inclinations of the known classical and resonant Kuiper belt objects. We find that many objects classified as "classical" are proximate to high-order Neptune resonances and undergo large changes in orbital inclination over Gigayear timescales; some non-resonant objects also suffer significant inclination variations. We discuss the dynamical mechanisms underlying such inclination changes. We also quantify how the inclination evolution might affect the interpretation of correlations between the observed current inclinations and physical properties.
Malhotra Renu
Volk Kathryn
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