2009 FD is an Apollo asteroid (a class of near-Earth asteroid) with an orbit that places it at risk of a possible future collision with Earth. It has the highest impact threat on the Palermo Technical Impact Hazard Scale now that it is estimated to be 470 meters in diameter. The asteroid was discovered on 16 March 2009. 2009 FD made a close pass to Earth on 27 March 2009 at a distance of 0.004172 AU (624100 km; 387800 mi) and another on 24 October 2010 at 0.0702 AU.
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