So here’s the scenario: you’re out trick-or-treating on Halloween night, and there’s the usual assortment of pirates, zombies, and Boba Fetts. When all of a sudden, you round a corner and come face to face with Asteroid TB145!!! Sure, it’s passing 1.3 lunar distances from Earth, but it still wants candy and is close enough to TP your house if it doesn’t get any.

For more deets, visit NASA JPL.