Yokkaichi Fireball


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A fireball flight from west of Shizuoka prefecture to Yokkaichi city, Mie prefecture at 10 Mar. 1989, 11h57m40s UT(20h57m40s LT).
Y.Shiba from Okazaki city, Aichi prefecture, and Tokyo university Kiso Observatory all-sky camera photographed independentry.
The photograph from Okazaki recorded only before halfway of trail, while Kiso's photograph lacked the rotation shutter break.
About 10 witnesses were contributed, and two were described fragmentation at the end to four pieces.
The photographic absolute magnitude was -10mag.
The trajectory and orbit were calculated by K.Ohtsuka.
The photographic end height was 25.7km, but the visual luminous end was 20km or less from near observers.
A Small meteorite, probably some 10 - some 100 grams, fell on Yokkaichi city or the east sea.


Predicted Impact Area

Ellipse was calculated impact area.
(Adding on Geographical Survey Institute's map)


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