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      The resonant structure of Jupiter's Trojan asteroids - II. What happens for different configurations of the planetary system

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      Monthly Notices of the Royal Astronomical Society
      Wiley
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          Origin of the orbital architecture of the giant planets of the Solar System.

          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 approximately 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 successfully applied to the Solar System. Here we show that a planetary system with initial quasi-circular, coplanar orbits would have evolved to the current orbital configuration, provided that Jupiter and Saturn crossed their 1:2 orbital resonance. We show that this resonance crossing could have occurred as the giant planets migrated owing to their interaction with a disk of planetesimals. Our model reproduces all the important characteristics of the giant planets' orbits, namely their final semimajor axes, eccentricities and mutual inclinations.
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            Dynamical stability in the outer solar system and the delivery of short period comets

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              Planetary migration in a planetesimal disk: why did Neptune stop at 30 AU?

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                Author and article information

                Journal
                MNR
                Monthly Notices of the Royal Astronomical Society
                Wiley
                00358711
                13652966
                October 11 2009
                October 11 2009
                : 399
                : 1
                : 69-87
                Article
                10.1111/j.1365-2966.2009.15280.x
                53a77ac0-8366-4ade-9bf9-27749a8278a4
                © 2009
                History

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