1 Dec 2020, Swiss Ephemeris List of numbers of planetary moons and body centers =================================================== 9401 Phobos/Mars 9402 Deimos/Mars 9501 Io/Jupiter 9502 Europa/Jupiter 9503 Ganymede/Jupiter 9504 Callisto/Jupiter 9599 Jupiter/COB 9601 Mimas/Saturn 9602 Enceladus/Saturn 9603 Tethys/Saturn 9604 Dione/Saturn 9605 Rhea/Saturn 9606 Titan/Saturn 9607 Hyperion/Saturn 9608 Iapetus/Saturn 9699 Saturn/COB 9701 Ariel/Uranus 9702 Umbriel/Uranus 9703 Titania/Uranus 9704 Oberon/Uranus 9705 Miranda/Uranus 9799 Uranus/COB 9801 Triton/Neptune 9802 Nereid/Neptune 9808 Proteus/Neptune 9899 Neptune/COB 9901 Charon/Pluto 9902 Nix/Pluto 9903 Hydra/Pluto 9904 Kerberos/Pluto 9905 Styx/Pluto 9999 Pluto/COB