Natural satellite
Natural satellites of the Solar System

Mean diameter (km)
Satellites of planets
Satellites of planets
Satellites of planets
Satellites of planets
Satellites of planets
Satellites of planets
Satellites of dwarf planets
Satellites of dwarf planets
Satellites of dwarf planets
Satellites of dwarf planets
Satellites of other minor planets
Non-satellites for comparison
Mean diameter (km)
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Pluto
Makemake
Haumea
Eris
Satellites of other minor planets
Non-satellites for comparison
4,000–6,000
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Ganymede Callisto
Titan
-
-
-
-
-
-
-
Mercury
3,000–4,000
Moon
-
Io Europa
-
-
-
-
-
-
-
-
-
2,000–3,000
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-
-
-
-
Triton
-
-
-
-
-
Eris Pluto
1,000–2,000
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-
-
Rhea Iapetus Dione Tethys
Titania Oberon Umbriel Ariel
-
Charon
-
-
-
-
Makemake Haumea 2007 OR10, Quaoar
500–1,000
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-
-
Enceladus
-
-
-
-
-
Dysnomia
-
Sedna, Ceres, Salacia, Orcus, Pallas, Vesta many more TNOs
250–500
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-
-
Mimas Hyperion
Miranda
Proteus Nereid
-
-
Hiʻiaka
-
Orcus I Vanth Salacia I Actaea
10 Hygiea 704 Interamnia 87 Sylvia and many others
100–250
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-
Amalthea Himalia Thebe
Phoebe Janus Epimetheus
Sycorax Puck Portia
Larissa Galatea Despina
-
S/2015 (136472) 1
Namaka
-
S/2005 (82075) 1 Sila–Nunam I Ceto I Phorcys Patroclus I Menoetius ~21 more moons of TNOs
3 Juno 15760 Albion 5 Astraea 42355 Typhon and many others
50–100
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Elara Pasiphae
Prometheus Pandora
Caliban Juliet Belinda Cressida Rosalind Desdemona Bianca
Thalassa Halimede Neso Naiad
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-
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Quaoar I Weywot 90 Antiope I Typhon I Echidna Logos I Zoe 5 more moons of TNOs
90 Antiope 58534 Logos 253 Mathilde and many others
25–50
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-
Carme Metis Sinope Lysithea Ananke
Siarnaq Helene Albiorix Atlas Pan
Ophelia Cordelia Setebos Prospero Perdita Stephano
Sao Laomedeia Psamathe Hippocamp
Hydra Nix
-
-
-
Kalliope I Linus
1036 Ganymed 243 Ida and many others
10–25
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Phobos Deimos
Leda Adrastea
Telesto Paaliaq Calypso Ymir Kiviuq Tarvos Ijiraq Erriapus
Mab Cupid Francisco Ferdinand Margaret Trinculo
-
Kerberos Styx
-
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762 Pulcova I Sylvia I Romulus 624 Hektor I Skamandrios Eugenia I Petit-Prince 121 Hermione I 283 Emma I 1313 Berna I 107 Camilla I
433 Eros 1313 Berna and many others
< 10
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-
63 moons
36 moons
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-
-
-
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Sylvia II Remus Ida I Dactyl and many others
many

Question: How many natural satellites do Haumea, Eris and Makemake have?
Answer: Haumea has two natural satellites, while Eris and Makemake have one each.