Planets and big moons quiz

Can you name all 23 worlds?

The planets plus every moon over 1,000 km.

Name the eight planets and the 15 planetary moons with a mean diameter over 1,000 km: Earth's Moon, Jupiter's four Galilean moons, five moons of Saturn (Titan, Rhea, Iapetus, Dione, Tethys), four of Uranus (Titania, Oberon, Umbriel, Ariel) and Neptune's Triton. Dwarf planets and their moons, such as Pluto's Charon (about 1,212 km), are not included. Hints group each world with its planet's system.