Jumping Jupiter can explain Mercury's orbit

Abstract

The orbit of Mercury has large values of eccentricity and inclination that cannot be easily explained if this planet formed on a circular and coplanar orbit. Here, we study the evolution of Mercury's orbit during the instability related to the migration of the giant planets in the framework of the jumping Jupiter model. We found that some instability models are able to produce the correct values of Mercury's eccentricity and inclination, provided that relativistic effects are included in the precession of Mercury's perihelion. The orbital excitation is driven by the fast change of the normal oscillation modes of the system corresponding to the perihelion precession of Jupiter (for the eccentricity), and the nodal regression of Uranus (for the inclination).

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Cited by in corpus (22)

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• Dynamical evidence for an early giant planet instability
• Modeling the Historical Flux of Planetary Impactors
• Solar System Physics for Exoplanet Research
• The Role of Early Giant Planet Instability in the Terrestrial Planet Formation
• The excitation of a primordial cold asteroid belt as an outcome of the planetary instability
• Nucleation and growth of iron pebbles explains the formation of iron-rich planets akin to Mercury
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• A record of the final phase of giant planet migration fossilized in the asteroid belt's orbital structure
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• The early instability scenario: Mars' mass explained by Jupiter's orbit
• Dynamical avenues for Mercury's origin II: in-situ formation in the inner terrestrial disk
• Can a jumping-Jupiter trigger the Moon's formation impact?
• Rethinking the role of the giant planet instability in terrestrial planet formation models
• Mercury's formation within the Early Instability Scenario
• Can narrow disks in the inner solar system explain the four terrestrial planets?
• iSyMBA: A Symplectic Massive Bodies Integrator with Planets Interpolation
• Formation of the four terrestrial planets in the Jupiter-Saturn chaotic excitation scenario: fundamental properties and water delivery