A small asteroid (2011 CQ1) discovered on February 3, passed around 7,500 miles from Earth on February 4 at 19:40 UT. This is about a quarter of the distance that 2010 TD54 passed by the Earth in October. 2011 CQ1 is between 1 and 2 metres across, making it smaller than a standard sofa. Had the asteroid hit Earth, it would have vaporized in the atmosphere.
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