2010 RX30

2010 RX30 is a near-Earth Aten asteroid that passed between the Earth and the Moon on September 8, 2010 at 09:51 UTC, approaching Earth within 248000kilometres above Japan.

NASA estimated its size to be 12 metres in diameter with a mass of around 2500 tonnes.

The asteroid was discovered by the Catalina Sky Survey near Tucson, Arizona on September 5, 2010 along with 2010 RF12.

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