2004 FH is a near-Earth asteroid that was discovered on March 15 2004 by the NASA-funded LINEAR asteroid survey. The object is roughly 30 metres in diameter and passed just 43000 km (27000 mi) above the Earth’s surface on March 18 2004 at 22:08 UTC; making it the 11th closest approach to Earth recorded as of 21 November 2008 (see the diagram below).
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