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On The Origin of The High-Perihelion Scattered Disk: The Role of The Kozai Mechanism And Mean Motion Resonances

Rodney S. Gomes et al. (2005)

Published
Jan 1, 2005
Journal
Celestial Mechanics and Dynamical Astronomy · Vol. 91 · No. 1-2
DOI
10.1007/s10569-004-4623-y

At a GlanceAI

Links high-perihelion scattered-disk formation to Kozai cycles operating inside Neptune mean-motion resonances.

SummaryAI

The work addresses why some scattered-disk objects have unusually large perihelion distances that keep them detached from strong scattering by Neptune. It highlights a pathway where capture in Neptune mean-motion resonances enables Kozai (Lidov–Kozai) oscillations that trade inclination for eccentricity, lifting perihelia while preserving resonant protection. This coupling provides a dynamical explanation for producing long-lived, high-perihelion orbits from the scattered disk, informing how we interpret the origin and stability of detached trans-Neptunian populations.

Method SnapshotAI

Dynamical analysis of Kozai (Lidov–Kozai) behavior within mean-motion resonances in the trans-Neptunian region.

BackgroundAI

Celestial mechanics of mean-motion resonances and Lidov–Kozai secular dynamics in the outer Solar System.

A pioneering work showing the mechanism for activating Lidov–Kozai oscillations upon capture into a mean-motion resonance (in fact, in the TNO region all asteroids in the ZLKR will also be in an MMR).

ES