Radar studies of the orbits of small meteoroids

Details Radar studies of the orbits of small meteoroids Radar studies of the orbits of small meteoroids

Aug 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994pasau..11..151b&link_type=abstract

Astronomical Society of Australia, Proceedings, vol. 11, no. 2, p. 151-156

Astronomy and Astrophysics

Astrophysics

3

Meteor Trails, Meteoroid Concentration, Meteoroids, Radar Measurement, Radio Meteors, Astrophysics, Cosmic Dust, Solar Orbits, Spatial Distribution

Scientific paper

A description is given of a radar facility operating in New Zealand which measures the atmospheric trajectories and hence heliocentric orbits of earth-impacting meteoroids having radiants with declinations +5 degs less than delta less than -30 degs down to a limiting radar meteor magnitude of +13 (corresponding to particle sizes of approximately 100 microns, masses approximately 10-6 g). The data handling capacity of the facility permits recording, orbit reduction and efficient presentation of orbital data using graphical packages to be carried out on a routine basis. The daily yield is approximately 1500 individual orbits with greater than 3 x 105 secured to date; this is greater than the number determined in all previous meteoroid orbit surveys combined and forms a major southern hemisphere database for dynamical studies of the solar system meteoroid population.

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