Moons of Saturn

Name

Discoverer

Year of Discovery

Distance from Center of Saturn (mi)

Distance from Center of Saturn (km)

Diameter (mi)

Diameter (km)

Sidereal Period of Revolution (days)

Atlas

Voyager spacecraft

1980

85,547

137,670

19

30

0.602

Calypso

*

1980

183,098

294,660

22

35

1.888

Dione

G. Cassini

1684

234,512

377,400

700

1,130

2.737

Enceladus

W. Herschel

1789

147,903

238,020

310

500

1.370

Epimetheus

D. Cruikshank

1980

94,092

151,422

55

90

0.694

Hyperion

W. Bond, W. Lassell

1848

920,338

1,481,100

220

350

21.277

Iapetus

G. Cassini

1671

2,212,950

3,561,300

890

1,430

79.330

Janus

D. Pascu

1980

94,123

151,472

60

100

0.694

Mimas

W. Herschel

1789

115,280

185,520

240

390

0.942

Pandora

Voyager Spacecraft

1980

88,237

142,000

120

190

-

Phoebe

W. Pickering

1898

8,048,220

12,952,000

140

225

550.48

Prometheus

Voyager spacecraft

1980

86,373

139,000

140

225

-

Rhea

G. Cassini

1672

327,496

527,040

950

1,530

4.518

Telesto

†

1980

183,098

294,660

22

35

1.888

Tethys

G. Cassini

1684

183,098

294,660

650

1,050

1.888

Titan

C. Huygens

1655

759,231

1,221,830

3,190

5,130

15.945

1980 S-6

P. Laques, J. Lecacheaux

1980

234,512

377,400

-

2.737

1980 S-34

Voyager spacecraft

1980

205,058

330,000

-

-

-

1981 S-7

Voyager spacecraft

1981

236,128

380,000

-

-

-

1981 S-8

Voyager spacecraft

1981

236,128

380,000

-

-

-

1981 S-9

Voyager spacecraft

1981

292,052

470,000

-

-

-

1981 S-10

Voyager spacecraft

1981

205,058

330,000

-

-

-

1981 S-11

Voyager spacecraft

1981

217,486

350,000

-

-

-

1990 S-1

Mark R. Showalter

1990

83,000

133,600

12

20

-