Physics
Scientific paper
Nov 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.500..441j&link_type=abstract
In: Proceedings of Asteroids, Comets, Meteors - ACM 2002. International Conference, 29 July - 2 August 2002, Berlin, Germany. Ed
Physics
1
Comets: Orbits, Oort'S Cloud
Scientific paper
The semi-major axes of comets, ejected to a distant comet cloud by the Jovian planets, which remainded permanently in the cloud, had not, immediately after the ejection, to exceed an outer boundary the comets were not scattered away by the external perturbers, and these axes had to be longer than a certain minimum to detach the cometary perihelia from the planetary region the comets avoided an action of internal perturbers. We map the interval of the initial comet semi-major axes being appropriate for the emplacement of comets into a stable distant reservoir. The inner boundary of this interval would typically be at about 20000 AU, assuming that the planetary region was only source region of cloud comets. The inclination of orbits of comets in the distant cloud to the Galactic Equator approaches 90° during a relatively long time.
Jakubík Marián
Neslusan Luboš
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