Origin of the orbital architecture of the giant planets of the Solar System

@article{Tsiganis2005OriginOT,
  title={Origin of the orbital architecture of the giant planets of the Solar System},
  author={Kleomenis Tsiganis and Rodney Gomes and Alessandro Morbidelli and Harold F. Levison},
  journal={Nature},
  year={2005},
  volume={435},
  pages={459-461}
}
Planetary formation theories suggest that the giant planets formed on circular and coplanar orbits. The eccentricities of Jupiter, Saturn and Uranus, however, reach values of 6 per cent, 9 per cent and 8 per cent, respectively. In addition, the inclinations of the orbital planes of Saturn, Uranus and Neptune take maximum values of ∼2 degrees with respect to the mean orbital plane of Jupiter. Existing models for the excitation of the eccentricity of extrasolar giant planets have not been… 
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