Planets in Mean-Motion Resonances and the System Around HD45364 - Archive ouverte HAL
Chapitre D'ouvrage Année : 2018

Planets in Mean-Motion Resonances and the System Around HD45364

Résumé

In some planetary systems, the orbital periods of two of its members present a commensurability, usually known by mean-motion resonance. These resonances greatly enhance the mutual gravitational influence of the planets. As a consequence, these systems present uncommon behaviors, and their motions need to be studied with specific methods. Some features are unique and allow us a better understanding and characterization of these systems. Moreover, mean-motion resonances are a result of an early migration of the orbits in an accretion disk, so it is possible to derive constraints on their formation. Here we review the dynamics of a pair of resonant planets and explain how their orbits evolve in time. We apply our results to the HD 45365 planetary system.

Dates et versions

hal-03724778 , version 1 (15-07-2022)

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Alexandre C. M. Correia, Jean-Baptiste Delisle, Jacques Laskar. Planets in Mean-Motion Resonances and the System Around HD45364. Handbook of Exoplanets, 2018, ⟨10.1007/978-3-319-55333-7_12⟩. ⟨hal-03724778⟩
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