Asteroid 2000EM26, Reported to be 3x as long as a football field, flies by Earth tonight; livestream started at 6:00 p.m.
According to the Los Angeles times:
The asteroid is known as 2000 EM26, and although it is big, it poses no threat to Earth. At its closest approach to our planet it will still be eight times as far from us as the moon. The moon is, on average, 238,900 miles away.