Physics
Scientific paper
Oct 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf.1015e&link_type=abstract
EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.1015
Physics
Scientific paper
Dynamical processes leading to the formation of multiple giant planet systems with various orbital characteristics are investigated. The model includes gravitational interactions of planets and migration of planets due to the presence of a gas disc. For the system of four giant planets like the Solar system, we show how capture of all planets into resonances occurs at the type I migration. The resonant motion can remain after transition to the type II migration as well as after dissipation of gas. For the GJ876 system, it is shown how planets can migrate to orbits located inside the orbit of the most massive planet. Features of subsequent capture of planets into low-order resonances are investigated too. For the system HD102272, capture of planets into highorder resonances and subsequent evolution to higheccentricity orbits are studied. We explain also how planetary systems similar to the GJ 581 system form. We conclude that different planetary systems similar to the observed ones can be simulated by varying parameters of the suggested model.
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