2003_BR47
2003 BR47 is a sub-kilometer asteroid classified as near-Earth object and potentially hazardous asteroid of the Apollo group. It was discovered on 31 January 2003 by the LINEAR program. As of 19 March 2013[update], its orbit is based on 170 observations spanning a data-arc of 939 days.
It comes to within 0.05 AU of Earth periodically. It is also an Earth crosser and a Mars crosser.