Polydeuces #10 Polydeuces /ˌpɒlɪˈdjuːsiːz/, or Saturn XXXIV, is a small natural satellite of Saturn that is co-orbital with the moon Dione and librates around its trailing Lagrangian point (L5). Its diameter is estimated to be 2–3 km. Dione's other co-orbital moon is Helene, which is bigger and located at the leading L4 point. Properties: Galaxy: Milky Way System: Solar Main Planet: Saturn Type: Satellite Name: Polydeuces Resource: Neon Rarity: Legendary