The Known Moons of Saturn (31)

Moon

Diameter

Distance

Discoverer

Pan

20 km (12 mi)

133,583 km (83,004 mi)

1990: Showalter

Atlas

32 km (20 mi)

137,640 km (85,530 mi)

1980: Terrile (Voyager)

Prometheus

100 km (62 mi)

139,350 km (86,590 mi)

1980: Collins (Voyager)

Pandora

84 km (52 mi)

141,700 km (88,040 mi)

1980: Collins (Voyager)

Epimetheus

119 km (74 mi)

151,422 km (94,089 mi)

1966: Walker

Janus

178 km (111 mi)

151,472 km (94,120 mi)

1966: Dolfus

Mimas

392 km (244 mi)

185,520 km (115,280 mi)

1789: Herschel

Enceladus

499 km (310 mi)

238,020 km (147,900 mi)

1789: Herschel

Tethys

1,060 km (659 mi)

294,660 km (183,090 mi)

1684: Cassini

Telesto

22 km (14 mi)

294,660 km (183,090 mi)

1980: Smith

Calypso

20 km (12 mi)

294,660 km (183,090 mi)

1980: Smith

Dione

1,120 km (696 mi)

377,400 km (234,500 mi)

1684: Cassini

Helene

35 km (22 mi)

378,400 km (235,100 mi)

1980: Laques & Lecacheux

Rhea

1,528 km (949 mi)

527,040 km (327,490 mi)

1672: Cassini

Titan

5,150 km (3,200 mi)

1,221,850 km (759,220 mi)

1655: Huygens

Hyperion

283 km (176 mi)

1,481,100 km (920,300 mi)

1848: Bond

Iapetus

1,436 km (892 mi)

3,561,300 km (2,212,900 mi)

1671: Cassini

Phoebe

220 km (137 mi)

12,952,000 km (8,048,000 mi)

1898: Pickering

Kiviuq

14 km (9 mi)

11,365,000 km (7,061,900 mi)

2000: Gladman

Ijiraq

10 km (6 mi)

11,440,000 km (7,108,500 mi)

2000: Gladman

Paaliaq

19 km (12 mi)

15,199,000 km (9,444,300 mi)

2000: Gladman

Skadi

6.4 km (4 mi)

15,647,000 km (9,722,600 mi)

2000: Gladman

Albiorix

26 km (16 mi)

16,404,000 km (10,193,000 mi)

2000: Holman

Erriapo

8.6 km (5 mi)

17,616,000 km (10,946,100 mi)

2000: Gladman

Siarnaq

32 km (20 mi)

18,160,000 km (11,284,100 mi)

2000: Gladman

Tarvos

13 km (8 mi)

18,247,000 km (11,338,200 mi)

2000: Gladman

Mundilfari

5.6 km (3.4 mi)

18,709,000 km (11,625,300 mi)

2000: Gladman

S/2003 S1

6.6 km (4 mi)

18,719,000 km (11,631,500 mi)

2003: Sheppard & Jewitt

Suttung

5.6 km (3.4 mi)

19,463,000 km (12,093,800 mi)

2000: Gladman

Thrym

5.6 km (3.4 mi)

20,382,000 km (12,664,800 mi)

2000: Gladman

Ymir

16 km (10 mi)

23,096,000 km (12,351,200 mi)

2000: Gladman
Source: NASA
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