NEO 2004 BL68 on 26-27 January, 2015
http://www.itelescope.net/sky-alerts/2015/1/21/alert-neo-2004-bl68-on-26-27-january-2015.htmlNear Earth Asteroid 2004 BL68 will come close to Earth on 16:20 UT 26 January at distance of 0.008 AU (around 3.1 Earth-Moon distances). It is brightest at 04:00 UT on the 27th though. It has an estimated diameter of 680m.
The asteroid is currently magnitude 16, and will be a reasonably bright magnitude 9.0 at closest approach.