•Discovered by the Catalina Sky Survey, Mount Lemon, Tucson, Arizona, on 2008 October 6.
•First object to be discovered with a nearly 100% (>99.8%)chance of hitting the Earth
•MPC predicted an atmospheric entry over northern Sudan at 2:46 UT the next day
•Only 2 or 3 meters in diameter therefore
likely to fragment and
not reach the ground
•Energy release equivalent to 1 kiloton of
•Not the lost Mars Observer Spacecraft coming home or a Mars rock