Complex sentence: This asteroid was discovered on October 12 2007 and designated 2007 TU24 with an estimated diameter of 300-600 meters, to cross earth on January 29 2008 at 1.4 lunar distance or ~ 450,000 km. Little information is available on this asteroid.
Split into simpler sentences: This asteroid was discovered on October 12 2007 and designated 2007 TU24 with an estimated diameter of 300-600 meters. It would cross earth on January 29 2008 at 1.4 lunar distance or ~ 450,000 km. Little information is available on this asteroid.