did you feel that?!
details are only now being released: astronomers reported sunday, 02 august that the closest observed asteroid yet to skim past the earth without hitting the atmosphere came within 6500 kilometres (4000 miles) of the planet's surface 31 march! the asteroid is five to ten metres across, and was named 2004 fu162.MIT lincoln laboratory's asteroid-hunting LINEAR telescope in socorro, new mexico,usa, observed the new object four times over a 44-minute period, several hours before its closest approach.
read more @ newscientist.