"2002-06-18Z"^^ . "June 18, 2009 ()" . "(307261) 2002 MS4 is a large classical Kuiper belt object, the second-largest known object in the Solar System without a name, after 2007 OR10. It was discovered in 2002 by Chad Trujillo and Michael Brown.Brown's website lists it as nearly certain to be a dwarf planet. The Spitzer Space Telescope estimated it to have a diameter of 7005726000000000000\u2660726\u00B1123 km."@en . . . "8.56884e+09"^^ . "16488.0"^^ . "43.0"^^ . "none"@en . "20.6"^^ . "3.7"^^ .