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Early Dynamical Evolution of the Solar System: Pinning Down the Initial Conditions of the Nice Model

Batygin, Konstantin and Brown, Michael E. (2010) Early Dynamical Evolution of the Solar System: Pinning Down the Initial Conditions of the Nice Model. Astrophysical Journal, 716 (2). pp. 1323-1331. ISSN 0004-637X. http://resolver.caltech.edu/CaltechAUTHORS:20100629-080317384

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Abstract

In the recent years, the "Nice" model of solar system formation has attained an unprecedented level of success in reproducing much of the observed orbital architecture of the solar system by evolving the planets to their current locations from a more compact configuration. Within the context of this model, the formation of the classical Kuiper Belt requires a phase during which the ice giants have a high eccentricity. An outstanding question of this model is the initial configuration from which the solar system started out. Recent work has shown that multi-resonant initial conditions can serve as good candidates, as they naturally prevent vigorous type-II migration. In this paper, we use analytical arguments, as well as self-consistent numerical N-body simulations to identify fully resonant initial conditions, whose dynamical evolution is characterized by an eccentric phase of the ice giants, as well as planetary scattering. We find a total of eight such initial conditions. Four of these primordial states are compatible with the canonical "Nice" model, while the others imply slightly different evolutions. The results presented here should prove useful in further development of a comprehensive model for solar system formation.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1088/0004-637X/716/2/1323DOIArticle
http://iopscience.iop.org/0004-637X/716/2/1323PublisherArticle
https://arxiv.org/abs/1004.5414arXivDiscussion Paper
ORCID:
AuthorORCID
Brown, Michael E.0000-0002-8255-0545
Additional Information:© 2010 The American Astronomical Society. Received 2010 March 3; accepted 2010 April 28; published 2010 June 1. We thank Hal Levison, Alessandro Morbidelli, Ramon Brasser, Gregory Laughlin, and Darin Ragozzine for useful discussions.
Subject Keywords:celestial mechanics; methods: analytical; methods: numerical; planets and satellites: formation
Classification Code:PACS: 96.10.+i; 96.15.Bc; 96.30.Mh; 96.30.Kf; 95.75.Pq; 96.30.Xa
Record Number:CaltechAUTHORS:20100629-080317384
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20100629-080317384
Official Citation:Konstantin Batygin and Michael E. Brown 2010 ApJ 716 1323 doi: 10.1088/0004-637X/716/2/1323
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:18838
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:29 Jun 2010 15:56
Last Modified:03 Apr 2019 22:47

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