A Fireball and Potentially Hazardous Binary Near-Earth Asteroid (164121) 2003 YT${}_1$

Toshihiro Kasuga, Mikiya Sato, Masayoshi Ueda +3

We present a fireball detected in the night sky over Kyoto, Japan on UT 2017 April 28 at $15^{\mathrm{h}}58^{\mathrm{m}}19^{\mathrm{s}}$ by the SonotaCo Network. The absolute visual magnitude is $M…