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| Paper: |
Extrasolar Planets and Mean-Motion Resonances |
| Volume: |
294, Scientific Frontiers in Research on Extrasolar Planets |
| Page: |
197 |
| Authors: |
Lee, M. H.; Peale, S. J. |
| Abstract: |
The 2:1 orbital resonances of the GJ876 system can be easily established by the differential planet migration due to planet-nebula interaction. Significant eccentricity damping is required to produce the observed orbital eccentricities. The geometry of the GJ876 resonance configuration differs from that of the Io-Europa pair, and this difference is due to the magnitudes of the eccentricities involved. We show that a large variation in the configuration of 2:1 and 3:1 resonances and, in particular, asymmetric librations can be expected among future discoveries. |
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