Date: 1/29/2008

The University of Arizona's Catalina Sky Survey discovered this space rock in October 2007, but its close encounter occurred three months later, traveling at a speed of 9.248 km/s and measuring 250 meters in diameter. Though its travel rate was marked at 1.4 lunar distances near the Earth, NASA's Near Earth Object Program claimed TU24 had no chance of hitting or affecting us.