Tidal decay and circularization of the orbits of short-period planets

Abstract

We analyze the long-term tidal evolution of a single-planet system through the use of numerical simulations and averaged equations giving the variations of semi-major axis and eccentricity of the relative orbit. For different types of planets, we compute the variations due to the planetary and stellar tides. Then, we calculate the critical value of the eccentricity for which the stellar tide becomes dominant over the planetary tide. The timescales for orbital decay and circularization are also discussed and compared.

arXiv comment8 pages, 3 figures, corrected typos

References in corpus (3)

• Tidal Evolution of Close-in Extra-Solar Planets
• Tidal friction in close-in satellites and exoplanets. The Darwin theory re-visited
• Falling Transiting Extrasolar Giant Planets

Cited by in corpus (11)

• CKS VIII: Eccentricities of Kepler Planets and Tentative Evidence of a High Metallicity Preference for Small Eccentric Planets
• Spin-orbit coupling for tidally evolving super-Earths
• Tidal evolution of close-in exoplanets in co-orbital configurations
• Tidal decay and orbital circularization in close-in two-planet systems
• Dynamics of Rotation of Super-Earths
• Angular momentum exchange during secular migration of two-planet systems
• MCMCI: A code to fully characterise an exoplanetary system
• Signatures of Obliquity in Thermal Phase Curves of Hot Jupiters
• The unusual M-dwarf Warm Jupiter TOI-1899~b: Refinement of orbital and planetary parameters
• Long period modulation of the classical T Tauri star CI Tau: evidence for an eccentric close-in massive planet at 0.17 au
• The generalized non-conservative model of a 1-planet system - revisited