The role of the general relativity on icy body reservoirs under the effects of an inner eccentric Jupiter

Abstract

Recent studies have analyzed the dynamical evolution of outer small body populations under the effects of an eccentric inner massive perturber. Such outer reservoirs are composed of particles on prograde and retrograde orbits, as well as particles whose orbit flips from prograde to retrograde and back again showing a coupling between the inclination i and the ascending node longitude Ω(Type-F particles). We analyze the role of the General Relativity (GR) on the dynamics of outer particles under the influence of an inner eccentric Jupiter-mass planet produced by a planetary scattering event. In particular, we study how the GR affects the dynamical evolution of the outer Type-F particles, which experience an eccentric Lidov-Kozai mechanism. We carry out N-body simulations with and without GR effects. When the GR is included, the extreme values of Ωare obtained for retrograde inclinations, while the minimum and maximum inclinations allowed for Type-F particles increase in comparison with that derived without GR effects. According to this, if the GR is included in the simulations, the range of prograde (retrograde) inclinations of the libration region is reduced (increased) respect to that obtained in absence of GR. We find two new class of particles when the GR effects are included in the simulations. On the one hand, particles whose orbital plane flips from prograde to retrograde and back again without experiencing a coupling between i and Ω. On the other hand, retrograde particles that show a strong coupling between i and Ω. We infer that the GR may significantly modify the dynamical properties of the outer reservoirs that evolve under the effects of an eccentric inner perturber.

arXiv comment12 pages, 11 figures, Accepted for publication in Astronomy & Astrophysics

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• The Stationary Points of the Hierarchical Three Body Problem
• Formation of polar terrestrial circumbinary planets
• A radial limit on polar circumbinary orbits from general relativity
• Polar circumtriple planets and disks can only form close to a triple star
• Tidal and general relativistic effects in rocky planet formation at the substellar mass limit using N-body simulations
• Parametric study of polar configurations around binaries
• Coplanar circumbinary planets can be unstable to large tilt oscillations in the presence of an inner polar planet
• Constraints to the semimajor axis of outer particles with nodal librations by general relativity effects