http://neo.jpl.nasa.gov/cgi-bin/db_shm?sstr=2004 XP14 This little guy is going to pass us at a distance of .0028921 AU on July 3rd. That's about as close as the moon.
If this thing lands on us we might get some kickass fireworks a day early. I read somewhere it'll be equivalent to around a 1.7 GIGAton nuclear bomb. hnoes: