Asteroid size of Empire State Building to pass Earth Saturday night

Asteroid size of Empire State Building to pass Earth Saturday night: After an asteroid safely flew past Earth on Friday, another that's possibly larger than the Empire State building is expected to pass by Saturday night. 2000 QW7, the skyscraper-sized asteroid, should whiz past Early at 7:54 p.m. EST. NASA estimates the object to be 950 feet to 2,100 feet in size