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Jupiter's 67 Moons

by Ron Kurtus (5 February 2017)

Jupiter, the largest planet in our solar system, has 67 moons orbiting the planet. Of those moons, 53 are named moons. Fourteen more have been discovered but have not been given official status or names.

(Imagine if the Earth had 67 moons that could be seen in the night sky. That would be weird!)

The first four Jupiter moons discovered are large enough to be seen from Earth with a common telescope. The other moons have been observed with astronomical telescopes and space satellites. The 49 named moons have been thoroughly studied, while the remaining smaller 14 moons still need to be studied.

Questions you may have include:

This lesson will answer those questions.



Four largest moons

The planet Jupiter's four largest moons are:

Each of these moons is larger the our Earth's Moon.

They are called the Galilean moons or satellites after Italian astronomer Galileo Galilei, who first observed them in 1610.

(See Jupiter's Galilean Moons for details.)

Other named moons

Jupiter has 49 other named moons that are smaller than the Gallean moons. Since they are smaller than the major four moons, studies about them is still ongoing.

The moons are listed below in alphabetical order:

  1. Adrastea
  2. Aitne
  3. Amalthea
  4. Ananke
  5. Aoede
  6. Arche
  7. Autonoe
  8. Callirrhoe
  9. Carme
  10. Carpo
  11. Chaldene
  12. Cyllene
  13. Dia
  14. Elara
  15. Erinome
  16. Eukelade
  17. Euanthe
  18. Euporie
  19. Eurydome
  20. Harpalyke
  21. Hegemone
  22. Helike
  23. Hermippe
  24. Herse
  25. Himalia
  26. Iocaste
  27. Isonoe
  28. Jupiter LI
  29. Jupiter LII
  30. Kale
  31. Kallichore
  32. Kalyke
  33. Kore
  34. Leda
  35. Lysithea
  36. Megaclit
  37. Metis
  38. Mneme
  39. Orthosie
  40. Pasiphae
  41. Pasithee
  42. Praxidike
  43. Sinope
  44. Sponde
  45. Thebe
  46. Themisto
  47. Taygete
  48. Thelxinoe
  49. Thyone

Provisional moons

Jupiter also has 14 provisional or unnamed moons:

  1. S/2003 J2
  2. S/2003 J3
  3. S/2003 J4
  4. S/2003 J5
  5. S/2003 J9
  6. S/2003 J10
  7. S/2003 J12
  8. S/2003 J15
  9. S/2003 J16
  10. S/2003 J18
  11. S/2003 J19
  12. S/2003 J23
  13. S/2011 J1
  14. S/2011 J2

Astronomers are still studying these smaller moons.

Summary

Jupiter has 67 moons orbiting the planet. Of those moons, four are large enough to have been observed by Galileo in 1610, 49 have since been studied and named, and fourteen more have been discovered but have not been given official status or names.


Be inspired by discoveries in Astronomy


Resources and references

Ron Kurtus' Credentials

Websites

Jupiter: Moons - NASA

Moons of Jupiter - Wikipedia

Astronomy Resources

Books

Top-rated books on Astronomy


Questions and comments

Do you have any questions, comments, or opinions on this subject? If so, send an email with your feedback. I will try to get back to you as soon as possible.


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