Physical and dynamical studies of meteors. Meteor-fragmentation and stream-distribution studies

Details Physical and dynamical studies of meteors. Meteor-fragmentation and stream-distribution studies Physical and dynamical studies of meteors. Meteor-fragmentation and stream-distribution studies

Nov 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975sao..reptr....s&link_type=abstract

Final Report Smithsonian Astrophysical Observatory, Cambridge, MA.

Statistics

2

Computer Techniques, Meteor Trails, Orbital Elements, Radar Detection, Space Density, Fragmentation, Orbit Calculation, Scatter Propagation

Scientific paper

Population parameters of 275 streams including 20 additional streams in the synoptic-year sample were found by a computer technique. Some 16 percent of the sample is in these streams. Four meteor streams that have close orbital resemblance to Adonis cannot be positively identified as meteors ejected by Adonis within the last 12000 years. Ceplecha's discrete levels of meteor height are not evident in radar meteors. The spread of meteoroid fragments along their common trajectory was computed for most of the observed radar meteors. There is an unexpected relationship between spread and velocity that perhaps conceals relationships between fragmentation and orbits; a theoretical treatment will be necessary to resolve these relationships. Revised unbiased statistics of synoptic-year orbits are presented, together with parallel statistics for the 1961 to 1965 radar meteor orbits.

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