2009 DD45
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. 2009 DD45 is a small Apollo asteroid that passed near Earth at an altitude of 63,500 km on 2 March 2009 at 13:44 UTC. It was discovered by Australian astronomers at the Siding Spring Observatory on 27 February 2009, only three days before its closest approach to the Earth. Its estimated diameter is between 15 and 23 metres. This is about the same size as a hypothetical object that could have caused the Tunguska event in 1908.

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. 2009 DD45 is a small Apollo asteroid that passed near Earth at an altitude of 63,500 km on 2 March 2009 at 13:44 UTC. It was discovered by Australian astronomers at the Siding Spring Observatory on 27 February 2009, only three days before its closest approach to the Earth. Its estimated diameter is between 15 and 23 metres. This is about the same size as a hypothetical object that could have caused the Tunguska event in 1908.