moon [moons](any substantially sized natural satellite of a planet) noun [UK: muːn] [US: ˈmuːn]
satellite [satellites](a body orbiting a larger one) noun [UK: ˈsæ.tə.laɪt] [US: ˈsæ.tə.ˌlaɪt]The satellite is now in orbit. = El satélite está ahora en órbita.
satélite extrasolar noun {m}
exomoon(moon of an extrasolar planet) noun [UK: eɡzˈɒmuːn] [US: eɡzˈɑːmuːn]