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Astronomy
intermediate

The Lidov-Kozai resonance at different scales

Anne-Sophie Libert (2019)

Published
Oct 1, 2019
Journal
Proceedings of the International Astronomical Union · Vol. 15 · No. S364
DOI
10.1017/S1743921321001423

At a GlanceAI

Review of Lidov–Kozai resonance effects across planets, discs, binaries, and triple stars, highlighting its role in secular stability and migration.

SummaryAI

The Lidov–Kozai (LK) resonance is presented as a secular mechanism that can both protect highly inclined three-body systems and drive large coupled eccentricity–inclination variations. This review synthesizes how LK dynamics appears across multiple astrophysical contexts: inclined two-planet exosystems, planets interacting with protoplanetary discs, migrating planets in binary stars (even without resonance capture), and triple-star evolution with LK cycles plus tides. It clarifies that LK-driven evolution is not confined to a single scale or architecture, and connects LK cycles to stability pathways and to migration scenarios such as short-period multiples in triples.

Method SnapshotAI

Invited-style review synthesizing results and physical interpretations of Lidov–Kozai dynamics across several three-body settings.

BackgroundAI

Celestial mechanics of secular three-body dynamics, including Lidov–Kozai resonance, orbital elements, and basic migration/tidal concepts.