Please stop spreading FUD. That's not even close to a close pass. From the linked article:
> At its closest approach, which will happen at about 5:56 a.m. EDT (0956 GMT), asteroid 1998 OR2 will be 3.9 million miles (6.3 million km) from Earth. That's more than 16 times the average distance between Earth and the moon.
> At its closest approach, which will happen at about 5:56 a.m. EDT (0956 GMT), asteroid 1998 OR2 will be 3.9 million miles (6.3 million km) from Earth. That's more than 16 times the average distance between Earth and the moon.