Ernesto Guido writes "Two small asteroids (2010 RF12 & 2010 RX30) will pass within the Moon's distance of Earth today, September 08, 2010." One is 6-14 meters and the other is 10-20, so even if they change course, don't expect Bruce Willis to be called in.
A computer lets you make more mistakes faster than any other invention,
with the possible exceptions of handguns and Tequilla.
-- Mitch Ratcliffe