Fireball: A very public fireball

Details Fireball: A very public fireball Fireball: A very public fireball

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004a%26g....45f..25b&link_type=abstract

Astronomy & Geophysics, Volume 45, Issue 6, pp. 6.25-6.26.

Physics

Geophysics

Scientific paper

An appeal for witnesses to a fireball on 24 September produced an excellent response from the public; 55 eyewitnesses sent accounts. From their observations we calculated the radiant azimuth as 320°, and altitude angle <= 20°. Without video or CCTV footage for control on the fireball's velocity or pre-entry orbit, we used software developed for dust impact experiments, to assess the most likely orbital trajectory. The highest probability solutions have a semimajor axis between 1.6 and 2.0 AU and an eccentricity of 0.4 to 0.5, corresponding to a typical near-Earth asteroid orbit. Of possible comet showers, the κ Aquarids are within the calculated constraints. No fragments were found, despite considerable public interest, consistent with the absence of reports of a dust trail. Public response to this fireball demonstrates the great interest in meteoritic phenomena, particularly when, as in this case, participation in the scientific enquiry is actively encouraged.

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