On the period of the Geminid meteor stream

Details On the period of the Geminid meteor stream On the period of the Geminid meteor stream

May 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978mnras.183..539j&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 183, May 1978, p. 539-546. Research supported by the National Research

Astronomy and Astrophysics

Astronomy

11

Geminid Meteoroids, Orbital Elements, Radio Meteors, Solar Orbits, Orbit Calculation, Power Spectra

Scientific paper

A method has been devised for analyzing the periodicities from year to year in meteor-shower activity. This appears to give more reproducible results than have been previously obtained, and the orbital period of Geminid radio meteors is found to be close to 1.49 yr, a value consistent with the decrease in period of faint meteors and also with the systematic change of solar longitude at maximum shower activity with decreasing meteoroid size. When interpreted in terms of the Poynting-Robertson effect, these data indicate a stream age of 4700 yr, which is sufficiently long to explain the lack of very large concentrations of particles in the stream.

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