List of All Known Moons

Though Mercury and Venus have no moons, the other planets in the solar system have at least one. Some moons, such as Earth's Moon and Jupiter's Galileans satellites, are thought to have formed at the same time as their accompanying planet. Many other moons appear simply to be captured asteroids; for at least half of Jupiter's moons, this seems to be the case. These small, irregular moons are difficult to detect from Earth, and so the lists given in the table below must be considered works in progress for the gas giant planets. More moons will certainly be discovered with longer observation and better instrumentation.

MOONS KNOWN AS OF 2005

Earth

Mars

Jupiter

Saturn

Uranus

Neptune

Pluto

1. Moon

1. Phobos

1. Metis

1. Pan

1. Cordelia

1. Naiad

1. Charon

2. Diemos

2. Adrastea

2. Atlas

2. Ophelia

2. Thalassa

3. Amalthea

3. Prometheus

3. Bianca

3. Despina

4. Thebe

4. Pandora

4. Cressida

4. Galatea

5. lo

5. Epimetheus

5. Desdemona

5. Larissa

6. Europa

6. Janus

6. Juliet

6. Proteus

7. Ganymede

7. S/2004 S1

7. Portia

7. Triton

8. Callisto

8. S/2004 S2

8. Rosalind

8. Nereid

Mars

Jupiter

Saturn

Uranus

Neptune

9. Themisto

9. Mimas

9. 2003 U2

9. S/2002 N1

10. Leda

10. Enceladus

10. Belinda

10. S/2002 N2

11. Himalia

11. Tethys

11. 1986 U10

11. S/2002 N3

12. Lysithea

12. Telesto

12. Puck

12. S/2003 N1

13. Elara

13. Calypso

13. 2003 U1

13. S/2002 N4

14. S/2000 J11

14. Dione

14. Miranda

15. Euporie

15. Helene

15. Ariel

16. Orthosie

16. Rhea

16. Umbriel

17. Euanthe

17. Titan

17. Titania

18. Thyone

18. Hyperion

18. Oberon

19. Harpalyke

19. lapetus

19. 2001 U3

20. Hermippe

20. Kiviuq

20. Caliban

21. Praxidike

21. Ijiraq

21. Stephano

22. locaste

22. Phoebe

22. Trinculo

23. Ananke

23. Paaliaq

23. Sycorax

24. S/2002 J1

24. Skathi

24. 2003 U3

25. Pasithee

25. Albiorix

25. Prospero

26. Chaldene

26. Erriapo

26. Setebos

27. Kale

27. Siarnaq

27. 2001 U2

28. lsonoe

28. Tarvos

29. Aitne

29. Mundilfari

30. Erinome

30. S/2003 SI

31. Taygete

31. Suttungr

32. Carme

32. Thrymr

33. Kalyke

33. Ymir

Pluto

Jupiter (continued)

34. Eurydome 35. Autonoe 36. Sponde 37. Pasiphae 38. Magaclite 39. Sinope

40. Calirrhoe 41. S/2003 J1 42. S/2003 J2 43. S/2003 J3 44. S/2003 J4 45. S/2003 J5

46. S/2003 J6 47. S/2003 J7 48. S/2003 J8 49. S/2003 J9 50. S/2003 J10 51. S/2003 J11

52. S/2003 J12 53. S/2003 J13 54. S/2003 J14 55. S/2003 J15 56. S/2003 J16 57. S/2003 J17

58. S/2003 J18 59. S/2003 J19 60. S/2003 J20 61. S/2003 J21 62. S/2003 J22 63. S/2003 J23

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