2012 DA14is expected to cross by earth much closer than any other object of this size had crossed by. Astrophysics is much advanced, and within minutes the brilliant brains can jot down the path and the project path after it is influenced by the earth's gravity. All news confirmed that there will no damage to the earth. But looks like they had missed to calculate the trajectory of this meteor which had strayed in to the earth's atmosphere.
This might be a coincidence that it had happened the same the the big mama is going to cross the earth, or was this part of what was left under the carpet.