"6.41326e+10"^^ . . "2010 XC15 (also written 2010 XC15) is a near-Earth asteroid and potentially hazardous object. It has an observation arc of 2 years and an Uncertainty Parameter of 2. It was discovered on 5 December 2010 by the Catalina Sky Survey at an apparent magnitude of 17.5 using a 0.68-metre (27 in) Schmidt.Based on an absolute magnitude of 21.4, the asteroid has an estimated diameter of about 200 metres (660 ft)."@en . "1.98813e+07"^^ . "21.4"^^ . "1.55731e+11"^^ . "2457000.5 (2014-Dec-09)" . . "2010-12-05Z"^^ .