Determination of the size of a large meteor

Details Determination of the size of a large meteor Determination of the size of a large meteor

Jan 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975aiaa.meetq....l&link_type=abstract

American Institute of Aeronautics and Astronautics, Aerospace Sciences Meeting, 13th, Pasadena, Calif., Jan. 20-22, 1975, 5 p.

Astronomy and Astrophysics

Astronomy

Ballistic Trajectories, Meteor Trails, Size Determination, Astrometry, Bolides, Boundary Layer Transition, Brightness, Hypervelocity Projectiles, Meteorite Collisions

Scientific paper

This paper describes the analyses made to determine the size of an unusually large and brilliant meteor observed in the early afternoon of 10 August 1972. The meteor barely missed hitting the earth. Its perigee altitude was only 51 kilometers. Its maximum brightness was more than 10 times the brightness of the full moon. The size of the meteor was determined by using three different kinds of information: The ballistic coefficient, the radiation from the meteor and its contrail, and boundary layer transition altitude data. All three methods yielded a most likely meteor diameter in the range of one to five meters.

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