Resonances in Multiple Planetary Systems

Details Resonances in Multiple Planetary Systems Resonances in Multiple Planetary Systems

Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004cemda..90...43f&link_type=abstract

Celestial Mechanics and Dynamical Astronomy, Volume 90, Issue 1-2, pp. 43-50

Astronomy and Astrophysics

Astronomy

2

Multiple Exoplanetary Systems, Resonances

Scientific paper

Since the first extrasolar planet was discovered about 10 years ago, a major point of dynamical investigations was the determination of stable regions in extrasolar planetary systems where additional planets may exist. Using numerical methods, we investigate the dynamical stability in known multiple planetary systems (HD74156, HD38529, HD168443, HD169830) with special interest on the region between the two known planets and on the mean motion resonances inside this region. As a dynamical model we take the restricted 4-body problem containing the host star, the two planets and massless test-planets. For our numerical integrations, we used the Lie-integrator and additionally the Fast Lyapunov Indicators as a tool for detecting chaotic motion. We also investigated the inner resonances with the outer planet and the outer resonances with the inner planet with test-planets located inside the resonances.

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