According to research and data, it is around 2,000 feet wide. Guess a little worrying is par for the course once you learn that this asteroid is two-fifths of a mile big. Following its pass-by date on April 19th, amateur astronomers and star enthusiasts can try and look for 2014 JO25 in the night sky. But keep in mind that it might be hard. Still, it is worth a shot because this asteroid won’t come close to us for another 500 years.