It is estimated to be 5 meters in diameter , which means that it poses no threat if it impacts Earth .
2012 FN is an Apollo asteroid and a near - Earth object that has a 1 in 4 billion chance of impacting Earth on 7 March 2113 .
FN is estimated to be 5 meters in diameter , which means that FN poses no threat if FN impacts Earth .
2012 FN is an Apollo asteroid and a near - Earth object that has a 1 in 4 billion chance of impacting Earth on 7 March 2113 .