Born eccentric: constraints on Jupiter and Saturn's pre-instability orbits
arXiv:2009.11323 · doi:10.1016/j.icarus.2020.114122
Abstract
An episode of dynamical instability is thought to have sculpted the orbital structure of the outer solar system. When modeling this instability, a key constraint comes from Jupiter's fifth eccentric mode (quantified by its amplitude M55), which is an important driver of the solar system's secular evolution. Starting from commonly-assumed near-circular orbits, the present-day giant planets' architecture lies at the limit of numerically generated systems, and M55 is rarely excited to its true value. Here we perform a dynamical analysis of a large batch of artificially triggered instabilities, and test a variety of configurations for the giant planets' primordial orbits. In addition to more standard setups, and motivated by the results of modern hydrodynamical simulations of the giant planets' evolution within the primordial gaseous disk, we consider the possibility that Jupiter and Saturn emerged from the nebular gas locked in 2:1 resonance with non-zero eccentricities. We show that, in such a scenario, the modern Jupiter-Saturn system represents a typical simulation outcome, and M55 is commonly matched. Furthermore, we show that Uranus and Neptune's final orbits are determined by a combination of the mass in the primordial Kuiper belt and that of an ejected ice giant.
arXiv comment35 pages, 21 figures, 8 tables, accepted for publication in AJ
References in corpus (69)
- Protoplanetary Disks and Their Evolution
- La2010: A new orbital solution for the long term motion of the Earth
- THE ORIGIN OF PLUTO'S ORBIT: IMPLICATIONS FOR THE SOLAR SYSTEM BEYOND NEPTUNE
- Origin of the Structure of the Kuiper Belt during a Dynamical Instability in the Orbits of Uranus and Neptune
- Building the Terrestrial Planets: Constrained Accretion in the Inner Solar System
- Statistical Study of the Early Solar System's Instability with 4, 5 and 6 Giant Planets
- Reversing type II migration: resonance trapping of a lighter giant protoplanet
- Orbital Evolution of Planets Embedded in a Planetesimal Disk
- Dynamics of the giant planets of the solar system in the gaseous proto-planetary disk and relationship to the current orbital architecture
- Dynamical Evolution of the Early Solar System
- The Lick-Carnegie Exoplanet Survey: A Uranus-mass Fourth Planet for GJ 876 in an Extrasolar Laplace Configuration
- The timeline of the Lunar bombardment - revisited
- Growing the gas-giant planets by the gradual accumulation of pebbles
- Multiple-Planet Scattering and the Origin of Hot Jupiters
- Capture of Trojans by Jumping Jupiter
- Radial migration of gap-opening planets in protoplanetary disks. I. The case of a single planet
- Evidence from the asteroid belt for a violent past evolution of Jupiter's orbit
- Neptune's Migration into a Stirred-Up Kuiper Belt: A Detailed Comparison of Simulations to Observations
- Mars' Growth Stunted by an Early Giant Planet Instability
- Young Solar System's Fifth Giant Planet?
- The Evidence for Slow Migration of Neptune from the Inclination Distribution of Kuiper Belt Objects
- Constraints on resonant-trapping for two planets embedded in a protoplanetary disc
- Constructing the secular architecture of the solar system II: The terrestrial planets
- Cataclysm no more: New views on the timing and delivery of lunar impactors
- Retention of a Primordial Cold Classical Kuiper Belt in an Instability-Driven Model of Solar System Formation
- Planets Near Mean-Motion Resonances
- Neptune's Orbital Migration Was Grainy, Not Smooth
- Secular dynamics of the three body problem: application to the upsilon Andromedae planetary system
- Jumping Neptune Can Explain the Kuiper Belt Kernel
- On the Migration of Jupiter and Saturn: Constraints from Linear Models of Secular Resonant Coupling with the Terrestrial Planets
- Early Dynamical Evolution of the Solar System: Pinning Down the Initial Condition of the Nice Model
- Capture of Irregular Satellites at Jupiter
- The early instability scenario: terrestrial planet formation during the giant planet instability, and the effect of collisional fragmentation
- Dynamical evidence for an early giant planet instability
- Onset of giant planet migration before 4480 million years ago
- Outward Migration of Jupiter and Saturn in Evolved Gaseous Disks
- Instability-Driven Dynamical Evolution Model of a Primordially 5 Planet Outer Solar System
- Secular resonance sweeping of the main asteroid belt during planet migration
- Unstable Planetary Systems Emerging Out Of Gas Disks
- The Fragility of the Terrestrial Planets During a Giant Planet Instability
- Families among high-inclination asteroids
- Constraining the giant planets' initial configuration from their evolution: implications for the timing of the planetary instability
- Accretion of Uranus and Neptune from inward-migrating planetary embryos blocked by Jupiter and Saturn
- Outward migration of Jupiter and Saturn in 3:2 or 2:1 resonance in radiative disks: implications for the Grand Tack and Nice models
- The Effect of an Early Planetesimal-Driven Migration of the Giant Planets on Terrestrial Planet Formation
- The evolution of asteroids in the jumping-Jupiter migration model
- Tracking Neptune's Migration History through High-Perihelion Resonant Trans-Neptunian Objects
- Impact bombardment chronology of the terrestrial planets from 4.5 Ga to 3.5 Ga
- Migrating super-Earths in low-viscosity discs: unveiling the roles of feedback, vortices, and laminar accretion flows
- Orbital Perturbations of the Galilean Satellites During Planetary Encounters
- Two phase, inward-then-outward migration of Jupiter and Saturn in the gaseous Solar Nebula
- An ancient and a primordial collisional family as the main sources of X-type asteroids of the inner Main Belt
- The excitation of a primordial cold asteroid belt as an outcome of the planetary instability
- Excitation and depletion of the asteroid belt in the early instability scenario
- Traditional formation scenarios fail to explain 4:3 mean motion resonances
- Terrestrial Planet Formation During the Migration and Resonance Crossings of the Giant Planets
- Is the Grand Tack model compatible with the orbital distribution of main belt asteroids?
- The Asteroid Belt as a Relic From a Chaotic Early Solar System
- Excitation of the Orbital Inclination of Iapetus during Planetary Encounters
- N-body simulations of planet formation via pebble accretion I: First Results
- On the orbital evolution of a giant planet pair embedded in a gaseous disk. II. A Saturn-Jupiter configuration
- Tilting Saturn without tilting Jupiter: Constraints on giant planet migration
- A record of the final phase of giant planet migration fossilized in the asteroid belt's orbital structure
- Not a simple relationship between Neptune's migration speed and Kuiper belt inclination excitation
- Instabilities in the Early Solar System due to a Self-gravitating Disk
- Checking the Compatibility of the Cold Kuiper Belt with a Planetary Instability Migration Model
- Jumping Jupiter can explain Mercury's orbit
- Trapping low-mass planets at the inner edge of the protostellar disc
- On the accuracy of symplectic integrators for secularly evolving planetary systems
Cited by in corpus (21)
- Early Solar System instability triggered by dispersal of the gaseous disk
- The terrestrial planet formation paradox inferred from high-resolution N-body simulations
- Dynamical avenues for Mercury's origin I: The lone survivor of a primordial generation of short-period proto-planets
- Born extra-eccentric: A broad spectrum of primordial configurations of the gas giants that match their present-day orbits
- Eccentric Early Migration of Neptune
- Dynamical avenues for Mercury's origin II: in-situ formation in the inner terrestrial disk
- The early instability scenario: Mars' mass explained by Jupiter's orbit
- Dynamical origin of the Dwarf Planet Ceres
- Is There an Earth-like Planet in the Distant Kuiper Belt?
- Effects of pebble accretion on the growth and composition of planetesimals in the inner Solar System
- Migration of pairs of giant planets in low-viscosity discs
- Rethinking the role of the giant planet instability in terrestrial planet formation models
- Terrestrial planet and asteroid belt formation by Jupiter-Saturn chaotic excitation
- Stability of Neptune's distant resonances in the presence of Planet Nine
- Mercury's formation within the Early Instability Scenario
- Oort cloud (exo)planets
- Mathematical encoding within multi-resonant planetary systems as SETI beacons
- Giant Outer Transiting Exoplanet Mass (GOT 'EM) Survey. VI: Confirmation of a Long-Period Giant Planet Discovered with a Single TESS Transit
- Constellations of co-orbital planets: horseshoe dynamics, long-term stability, transit timing variations, and potential as SETI beacons
- Study of Migration of Giant Planets and Formation of Populations of Distant Trans-Neptunian Objects in the Nice Model
- Acceleration of planetary migration: Resonance crossing and planetesimal ring