The Possible Belts for Extrasolar Planetary Systems

Details The Possible Belts for Extrasolar Planetary Systems The Possible Belts for Extrasolar Planetary Systems

2006-10-30

arxiv.org/abs/astro-ph/0610869v1

Astronomy and Astrophysics

Astrophysics

published in RevMexAA(SC), 21, 217

Scientific paper

More than 100 extrasolar planets have been discovered since 1990s. Different from the solar system, these planets' orbital eccentricities cover a huge range from 0 to 0.7. Incidently, the first Kuiper Belt Object was discovered in 1992. Thus, an interesting and important question will be whether extrasolar planetary systems could have structures like Kuiper Belt or asteroid belt. We investigate the stability of these planetary systems with different orbital eccentricities by the similar procedures in Rabl & Dvorak (1988) and Holman & Wiegert (1999). We claim that most extrasolar planetary systems can have their own belts at the outer regions. However, we find that the orbits with high--eccentricity is very powerful in depletion of these populations.

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