publication . Preprint . Article . 2005

On the migration-induced resonances in a system of two planets with masses in the Earth mass range

Ewa Szuszkiewicz; John C. B. Papaloizou;
Open Access English
  • Published: 11 Oct 2005
We investigate orbital resonances expected to arise when a system of two planets, with masses in the range 1-4 Earth masses, undergoes convergent migration while embedded in a section of gaseous disc where the flow is laminar. We consider surface densities corresponding to 0.5-4 times that expected for a minimum mass solar nebula at 5.2 AU. Using hydrodynamic simulations we find that when the configuration is such that convergent migration occurs the planets can become locked in a first order commensurability for which the period ratio is (p+1)/p with p being an integer and migrate together maintaining it for many orbits. Relatively rapid convergent migration as...
arXiv: Astrophysics::Earth and Planetary Astrophysics
free text keywords: Astrophysics, Space and Planetary Science, Astronomy and Astrophysics, Pulsar planet, Instability, Planet, Minimum mass, Earth mass, Pulsar, Formation and evolution of the Solar System, Physics, Planetary system

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