Solar System Exploration: Planets: Saturn: Moons: Iapetus: Facts & Figures

Saturn: Moons: Iapetus: Facts & Figures

Discovered By

G.D. Cassini

Date of Discovery

1671

Average Distance from Saturn

Metric: 3,561,300 km

Equatorial Radius

Metric: 718 km

Mass

Metric: 1,600,000,000,000,000,000,000 kg

Scientific Notation: 1.6 x 10²¹ kg

Rotation Period (Length of Day)

By Comparison: Synchronous with Saturn

Orbit Period (Length of Year)

79.3301825 Earth days

Orbital Eccentricity

0.02828

Orbital Inclination to Ecliptic

14.72 degrees

1. Mimas
2. Enceladus
3. Tethys
4. Dione
5. Rhea
6. Titan
7. Hyperion
8. Iapetus
9. Erriapus
10. Phoebe
11. Janus
12. Epimetheus
13. Helene
14. Telesto
15. Calypso

16. Kiviuq
17. Atlas
18. Prometheus
19. Pandora
20. Pan
21. Ymir
22. Paaliaq
23. Tarvos
24. Ijiraq
25. Suttungr
26. Mundilfari
27. Albiorix
28. Skathi
29. Siarnaq
30. Thrymr

31. Narvi
32. Methone
33. Pallene
34. Polydeuces
35. Daphnis
36. Aegir
37. Bebhionn
38. Bergelmir
39. Bestla
40. Farbauti
41. Fenrir
42. Fornjot
43. Hati
44. Hyrokkin
45. Kari

46. Loge
47. Skoll
48. Surtur
49. S/2004 S7
50. S/2004 S12
51. S/2004 S13
52. S/2004 S17
53. S/2006 S1
54. S/2006 S3
55. Greip
56. Jarnsaxa
57. Tarqeq
58. S/2007 S2
59. S/2007 S3
60. Anthe