The object, officially designated 2011 CQ1, is about 2-3 meters (6.5 -10 ft) wide, and at closest approach it came within 11,855 km (7,366 miles) or about 0.03 lunar distances (LD), or 0.00008 astronomical units (AU).Richard Kowalski with the Catalina Sky Survey discovered this object early on 4th Feb