Solar System Exploration: Planets: Jupiter: Moons: Ganymede: Facts & Figures

Jupiter: Moons: Ganymede: Facts & Figures

Discovered By

Galileo Galilei

Date of Discovery

1610

Average Distance from Jupiter

Metric: 1,070,000 km

Equatorial Radius

Metric: 2,634 km

Mass

Metric: 148,186,000,000,000,000,000,000 kg

Scientific Notation: 1.48186 x 10²³ kg

Rotation Period (Length of Day)

By Comparison: Synchronous with Jupiter

Orbit Period (Length of Year)

7.15455296 Earth days

Orbital Eccentricity

0.002

Orbital Inclination to Ecliptic

0.21 degree

Atmospheric Constituents

Oxygen

1. Io
2. Europa
3. Ganymede
4. Callisto
5. Amalthea
6. Himalia
7. Elara
8. Pasiphae
9. Sinope
10. Lysithea
11. Carme
12. Ananke
13. Leda
14. Thebe
15. Adrastea
16. Metis

17. Callirrhoe
18. Themisto
19. Megaclite
20. Taygete
21. Chaldene
22. Harpalyke
23. Kalyke
24. Iocaste
25. Erinome
26. Isonoe
27. Praxidike
28. Autonoe
29. Thyone
30. Hermippe
31. Aitne
32. Eurydome

33. Euanthe
34. Euporie
35. Orthosie
36. Sponde
37. Kale
38. Pasithee
39. Hegemone
40. Mneme
41. Aoede
42. Thelxinoe
43. Arche
44. Kallichore
45. Helike
46. Carpo
47. Eukelade
48. Cyllene

49. Kore
50. S/2003 J2
51. S/2003 J3
52. S/2003 J4
53. S/2000 J11
54. S/2000 J5
55. S/2003 J9
56. S/2003 J10
57. S/2003 J12
58. S/2003 J15
59. S/2003 J16
60. S/2003 J17
61. S/2003 J18
62. S/2003 J19
63. S/2003 J23