Eta Cassiopeia is a level 20 system with planets and 5 moons.

Planets/Moons:

Cassiopeia I, Cassiopeia II, Cassiopeia II-a, Cassiopeia III, Cassiopeia III-a, Cassiopeia IV, Cassiopeia IV-a, Cassiopeia IV-b, Cassiopeia IV-c

System Resources:

Water, Chlorine, Copper, Nickel, Fluorine, Cobalt, Cobalt. Platinum, Helium-3, Lead, Uranium, Chlorosilanes, Tungsten, Aluminum, Iron, Alkanes, Iridium, Tantalum, Platinum