Speed

From BBC News at 15:07 GMT on Tuesday, March 3rd, Space rock makes close approach:

The object, known as 2009 DD45, thought to be 21-47m (68-152ft) across, raced by our planet at 13:44 GMT on Monday.

From Low Flying Rocks on Twitter at 13:45 GMT on Monday, March 2nd:

2009 DD45 just passed the Earth at 9km/s, approximately seventy-four thousand, eight hundred km away.

Tuesday, March 3rd, 2009 6:24pm

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