In Star Wars Jedi: Survivor ... Although, there is also Nova Garon, which is an asteroid base and space station for a branch of the Empire Bureau, so you can technically say there are six.

Rebels X-wing, Y-wing, LAAT (acts as mobile Command Post), B-wing (spawns on Asteroid Base after the base's Command Post is taken by Rebels) Empire TIE Fighter, TIE Bomber, Imperial Troop ...

Other asteroids are expected to swing past Earth on Star Wars Day, though they won’t come as close. For a bit more context as to just how close this x-wing-sized asteroid will come to Earth ...