It is important to know where we are.  That is, the universe in which we exist.  The following is descriptive the planets and associated moons.  What is of interest here is how all of this is sooooo common.  Just more of the same. 

There are nine planets [including Pluto] in the Solar System, which are in increasing distance from the Sun:

Mercury

Venus

Earth
Moon
2010 TK7 Trojan
five co-orbital asteroids, including 3753 Cruithne and 2002 AA29.

Mars
Phobos (about 22 km (14 mi) in diameter)
Deimos (about 12 km (7.5 mi) in diameter)

Jupiter
Jupiter has 67 natural satellites.  Of these, 51 are less than 10 km in diameter and have only been discovered since 1975. The four largest moons, visible from Earth with binoculars on a clear night, known as the "Galilean moons", are

Io
Europa
Ganymede
Callisto.

Saturn
Saturn has at least 150 moons and moonlets, 53 of which have formal names.  Titan, the largest, comprises more than 90% of the mass in orbit around Saturn, including the rings.  Following 63 moons ....

S/2009 S 1
Various moonlets
Pan
Daphnis
Atlas
Prometheus
Pandora
Epimetheus
Janus
Aegaeon
†Mimas
Methone
Anthe
Pallene
†Enceladus
†Tethys
Telesto
Calypso
†Dione
Helene
Polydeuces
†Rhea
♠Titan
†Hyperion
†Iapetus
‡Kiviuq
‡Ijiraq
♣†Phoebe
‡Paaliaq
♣Skathi
♦Albiorix
♣S/2007 S 2
♦Bebhionn
♦Erriapus
♣Skoll
‡Siarnaq
‡Tarqeq
♣S/2004 S 13
♣Greip
♣Hyrrokkin
♣Jarnsaxa
♦Tarvos
♣Mundilfari
♣S/2006 S 1
♣S/2004 S 17
♣Bergelmir
♣Narvi
♣Suttungr
♣Hati
♣S/2004 S 12
♣Farbauti
♣Thrymr
♣Aegir
♣S/2007 S 3
♣Bestla
♣S/2004 S 7
♣S/2006 S 3
♣Fenrir
♣Surtur
♣Kari
♣Ymir
♣Loge
♣Fornjot

Uranus has 27 moons

Cordelia
Ophelia
Bianca
Cressida
Desdemona
Juliet
Portia
Rosalind
Cupid
Belinda
Perdita
Puck
Mab
†Miranda
†Ariel
†Umbriel
†Titania
†Oberon
‡Francisco
‡Caliban
‡Stephano
‡Trinculo
‡Sycorax
° Margaret
‡Prospero
‡Setebos
‡Ferdinand

Neptune has 14 moons

Naiad
Thalassa
Despina
Galatea
Larissa
S/2004 N 1
Proteus
Triton♠
Nereid‡
Halimede♠
Sao‡
Laomedeia‡
Psamathe♠
Neso♠

Pluto has 5 moons

Charon
Styx
Nix
Kerberos
Hydra