Journal Article

Stability of the GJ 876 Planetary System

Hiroshi Kinoshita and Hiroshi Nakai

in Publications of the Astronomical Society of Japan

Volume 53, issue 4, pages L25-L26
Published in print August 2001 | ISSN: 0004-6264
Published online August 2001 | e-ISSN: 2053-051X | DOI: https://dx.doi.org/10.1093/pasj/53.4.L25
Stability of the GJ 876 Planetary System

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  • Astrometry and Celestial Mechanics
  • Astronomical Instrumentation, Methods, and Techniques
  • Planetary Systems

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The newly discovered planetary system of the GJ 876 is stabilized by a 2:1 mean-motion resonance. We carried out numerical simulations of the GJ 876 planetary system for several sets of initial epochs, and investigated their stability, since this planetary system is very sensitive to an initial epoch because of a large difference between the osculating elements and the mean elements.

Keywords: celestial mechanics; mean-motion resonance; methods: numerical; planets and satellites: individual (GJ 876's planets)

Journal Article.  1322 words. 

Subjects: Astrometry and Celestial Mechanics ; Astronomical Instrumentation, Methods, and Techniques ; Planetary Systems

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