Evolution of the Quadrantid meteor stream

Details Evolution of the Quadrantid meteor stream Evolution of the Quadrantid meteor stream

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992acm..proc..269j&link_type=abstract

In Lunar and Planetary Inst., Asteroids, Comets, Meteors 1991 p 269-272 (SEE N93-19113 06-90)

Astronomy and Astrophysics

Astronomy

2

Astronomical Models, Comets, Gravitational Effects, Jupiter (Planet), Meteoroid Showers, Orbit Perturbation, Quadrantid Meteoroids, Ejection, Interplanetary Medium, Orbit Calculation, Orbital Elements

Scientific paper

According to previous orbital calculations, the last close approach of the Quadrantid stream with Jupiter occurred 3200 years ago at which time the parent comet of the stream may have been captured into its present short-period orbit. If this is the case the stream may only be a few thousand years old. We have modeled the evolution of the stream to determine if such a short time scale is consistent with the observed features of the Quadrantid/ delta- Aquarid/Arietid/Ursid complex. A detailed modeling of a stream consisting of 500 test particles released 4000 yr ago and which included the effects of the gravitational perturbations of 6 planets as well as the likely spread in the initial orbital elements resulting from the ejection of the grains from the comet was carried out. Our calculations indicate that an intense shower should be seen a few days before the Quadrantid shower, and that, 4000 yr is too short a period for the branch corresponding to the D-Arietid branch to appear. We have considered the quasi-constants of motion 1/a and J, the Tisserand quantity, and find that the Ursids and the D-Arietids are unlikely to be members of the complex, and that, the complex is probably be less than 4000 yr old.

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