Gravitational splitting of Quadrantid-like meteor streams in resonance with Jupiter

Details Gravitational splitting of Quadrantid-like meteor streams in resonance with Jupiter Gravitational splitting of Quadrantid-like meteor streams in resonance with Jupiter

Apr 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...158..259f&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 158, no. 1-2, April 1986, p. 259-265.

Astronomy and Astrophysics

Astrophysics

13

Celestial Mechanics, Gravitational Effects, Jupiter (Planet), Meteoroid Showers, Poynting-Robertson Effect, Quadrantid Meteoroids, Canonical Forms, Hamiltonian Functions, Radiation Pressure, Solar Wind, Jupiter, Gravity Effects, Splitting, Resonance, Meteor Streams, Dynamics, Evolution, Orbits, Kirkwood Gap, Asteroid Belt, Motion, Parameters, Celestial Mechanics, Dispersion, Perturbations

Scientific paper

The authors investigate numerically the dynamical evolution of meteor streams with the same orbital elements as the Quadrantids except for a slightly different range of semimajor axes (3.24 < a < 3.36 AU). This range covers the whole width of the observed 2/1 Kirkwood gap in the asteroidal belt. They find a peculiar behaviour for those streams in resonant motion with Jupiter: The streams break up into arcs of different sizes with distinctly different dynamical evolutions due to possible modes for resonant motion. Large, isolated arcs with differing orbital parameters are formed. The authors conjecture that such a gravitational splitting which causes the formation of isolated stream arcs with slow dispersion rates might occur in various ring systems in mean motion resonance with a perturbing body.

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