(237442) 1999 TA10 provisionally known as 1999 TA10 is a near-Earth object (NEO) from the Amor asteroid group. It is suspected of being an inner fragment of the differentiated asteroid 4 Vesta.Given an absolute magnitude (H) of 17.9 and that the albedo is unknown this NEO could vary from 500 to 1500 meters in diameter.1999 TA10 was discovered on 5 October 1999 at apparent magnitude 17.7 when it was only 0.39 AU from the Earth. In 2010 it came within 0.3 AU of the Earth.
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