Luminosity N/A Planets Moons 0 Asteroid Belts 0 Asteroids 0 Objects 0 Location: Milky Way / Artemis Tau / Knossos Knossos is a medium system with five and two asteroid . It is probably named for the classical Minoan (and, later, Greek) city of Knossos. Fittingly, all the planets in the Knossos system (with the exception of Therum) are named for ancient Minoan cities and monuments.