The orbital evolution of real asteroids near the 4:1 mean-motion resonance with Jupiter

Details The orbital evolution of real asteroids near the 4:1 mean-motion resonance with Jupiter The orbital evolution of real asteroids near the 4:1 mean-motion resonance with Jupiter

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992acm..proc..145d&link_type=abstract

In Lunar and Planetary Inst., Asteroids, Comets, Meteors 1991 p 145-148 (SEE N93-19113 06-90)

Computer Science

Asteroids, Eccentric Orbits, Meteoritic Composition, Orbital Mechanics, Orbital Resonances (Celestial Mechanics), Eccentricity, Jupiter (Planet), Numerical Integration

Scientific paper

Numerical integrations of the orbits of ten asteroids with osculating elements near the 4:1 mean-motion resonance with Jupiter have been performed over 200,000 years into the future. A variety of orbital evolutions was found, depending on the start values of the semi-major axis. The orbit of asteroid 1983 RJ4, which lies almost exactly at the resonance center, experiences large variations in eccentricity, evolving into an Earth-crosser on a time-scale of a few 104 years. This makes this region a potential source for Apollo objects and meteoritic material, although the width of the resonance region in semi-major axis seems to be very narrow.

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