Tnryu Fireball


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At 11 Oct. 2013, 12h47m39s(UT), A high elevation angle fireball fell over southern Nagano pref.
Sanbonmatsu High School(Kagawa pref.), Mr. H.Inoue(Kanagawa pref.), and Mr.SonotaCo(Tokyo) observed automatic TV cameras.
Mr.M. Ueda calculated its orbit.

The maximum magnitude is -3 magnitudes with a smooth light curve.
The end height is 33.4 km but the observing error is rather large. The initial velocity is 14.1 km/s.
The initial mass must small but inhibitied ablation is cause of small mass loss.
A 30g or less small meteorite fell on Tenryu village, Nagano prefecture.


Predicted area
Around Tenryu Village, Nagano pref.
Red ellipse is predicted area


Retouched mapion's map



Link

SonotaCo Netwok


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