According to the surveys carried out by NASA 's Wide - field Infrared Survey Explorer with its subsequent NEOWISE mission , Sharp measures 2.033 kilometers in diameter .
NASA 's surface has an outstandingly high albedo of 1.000 .
According to the surveys carried out by NASA 's Wide - field Infrared Survey Explorer with its subsequent NEOWISE mission , Sharp measures 2.033 kilometers in diameter , and its surface has an outstandingly high albedo of 1.000 .