It will be the biggest one to pass by Earth until 2027. EarthSky reports that asteroid 2015 TB145 will pass safely Earth at 1.3 times the speed of the Moon. With the help of a telescope you can see the asteroid late night on October 30th and before dawn on October 31st. The closest it will be to us will be at 10:14 a.m. (Central) on Halloween Day. It will pass us by 310,000 miles (that’s 1.3 times the distance that the Earth is to the Moon). More information on the asteroid is found below.