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CRAIN'S MINI WORLD ATLAS -- SOLAR SYSTEM MOONS and RINGS

 SOLAR SYSTEM DATA MOONS and RINGS
Moons  are natural objects that orbit planets, dwarf planets, and asteroids (minor planets). They vary in size from more than 5000 Km diameter to a few Km. Composed of rock and/or ice, they are held by gravitational forces to their primary planet.

Use Edit >> Find to locate a Solar System moon in the tables shown below.

<== Near Side Luna

Far Side Luna ==>

Most orbits are slightly to strongly elliptical, measured by their eccentricity (Ecc). Most orbits are tilted relative to their host body equator (Incl). Some orbit in the same direction as the primary's spin direction (prograde); some rotate in the opposite direction (retrograde).

The time it takes for the moon to make one orbit is the orbital period, measured in Earth days. Positive values for the period represent prograde motion; negative values represent retrograde motion.

NOTES: Data from Wikipedia, photos mostly NASA credits, via Wikipedia. "Orbit" is semi-major axis (distance from center of elliptical orbit to it's maximum elongation - equivalent to radius of a circle).

<== Buzz Aldrin, Apollo 11, Second man on the moon, June 1969.

Diameter (1 Km = 0.62 miles) and mass (1 Kg = 2.2 pounds) are measured or estimated by various means (orbit perturbations, brightness, period vs distance from host, space craft photos) and may not be very accurate in many cases. Diameter shown is maximum, if object has irregular shape.


 

"Discovery Order" is shown in Arabic numerals (eg 29) instead of Roman numerals (eg XXIX). Moons are often named by their order of discovery instead of their assigned names. For example, Jupiter XXIX is the 29th moon discovered at Jupiter, and is named Thyone, (pronounced Thigh-own-ee or Theee-oh-nee). It is the 30th moon of Jupiter, counting outward from the planet. As new moons are found, counter position may change, but the two names associated with each moon will not.

 MOONS of EARTH and MARS


  
 Luna                             Deimos              Phobos 
 

Order

Name

Diam

Mass

Orbit

Period

Incl

Ecc

Date

Orbit

Discovery

 

Km

10^16 Kg

Km

Days

 deg

 

 

1

1

Luna

3474

7347000000

384399

27.32

5.145

0.0549

10^6 BPE

2 NEO 2006 RH120 5 m 4 Polar orbits Sep 2006 - Jun 2007, will return in 2028 90 0.5-0.7 2006
 

1

1

Phobos

27

1.08

9377

0.321

0.0

0.0

1877

2

2

Deimos

12

0.2

23460

1.265

0.0

0.0

1877

 

 MOONS of JUPITER

 
Metis  Adrastea  Amalthea  Thebe
     
 
Io                                Europa                        Ganymede                      Callisto
 

Order

Name

Diam

Mass

Orbit

Period

Incl

Ecc

Date

Orbit

Discovery

 

Km

10^16 Kg

Km

Days

 deg

 

 

1

16

Metis

60

1636

127690

0.295

0.06

2E-005

1979

2

15

Adrastea

20

152

128690

0.298

0.03

0.0015

1979

3

5

Amalthea

250

208

181366

0.498

0.37

0.0032

1892

4

14

Thebe

98

43

221889

0.675

1.08

0.0175

1979

5

1

Io

3660

8900000

421700

1.77

0.05

0.0041

1610

6

2

Europa

3121

4800000

671034

3.55

0.47

0.0094

1610

7

3

Ganymede

5262

15000000

1070412

7.15

0.20

0.0011

1610

8

4

Callisto

4820

11000000

1882709

8.00

16.69

0.0074

1610

9

18

Themisto

8

0.069

7393216

129.87

45.76

0.2115

1975

10

13

Leda

16

0.6

11187781

241.75

27.56

0.1673

1974

11

6

Himalia

170

670

11451971

250.37

30.49

0.1513

1904

12

10

Lysithea

36

6.3

11740560

259.89

27.01

0.1322

1938

13

7

Elara

86

87

11778034

261.14

29.69

0.1948

1905

14

99

S/2000-J11

4

0.009

12570424

287.93

27.58

0.2058

2001

15

46

Carpo

3

0.004

17144873

458.62

56.00

0.2735

2003

16

99

S/2003-J12

1

0.00015

17739539

482.69

142.68

0.4449

2003

17

34

Euporie

2

0.0015

19088434

538.78

144.69

0.096

2002

18

99

S/2003-J3

2

0.0015

19621780

561.52

146.36

0.2507

2003

19

99

S/2003-J18

2

0.0015

19812577

569.73

147.40

0.1569

2003

20

42

Thelxinoe

2

0.0015

20453753

597.61

151.29

0.2684

2003

21

33

Euanthe

3

0.0045

20464854

598.09

143.41

0.2

2002

22

45

Helike

4

0.009

20540266

601.40

154.59

0.1374

2003

23

35

Orthosie

2

0.0015

20567971

602.62

142.37

0.2433

2002

24

24

Iocaste

5

0.019

20722566

609.43

147.25

0.2874

2001

25

99

S/2003-J16

2

0.0015

20743779

610.36

150.77

0.3184

2003

26

27

Praxidike

7

0.043

20823948

613.90

144.21

0.184

2001

27

22

Harpalyke

4

0.012

21063814

624.54

147.22

0.244

2001

28

40

Mneme

2

0.0015

21129786

627.48

149.73

0.3169

2003

29

30

Hermippe

4

0.009

21182086

629.81

151.24

0.229

2002

30

29

Thyone

4

0.009

21405570

639.80

147.28

0.2525

2002

31

12

Ananke

28

3.0

21454952

642.02

151.56

0.3445

1951

32

99

S/2003-J17

2

0.0015

22134306

672.75

162.49

0.2379

2003

33

31

Aitne

3

0.0045

22285161

679.64

165.56

0.3927

2002

34

37

Kale

2

0.0015

22409207

685.32

165.38

0.2011

2002

35

20

Taygete

5

0.016

22438648

686.67

164.89

0.3678

2001

36

99

S/2003-J19

2

0.0015

22709061

699.12

164.73

0.1961

2003

37

21

Chaldene

4

0.0075

22713444

699.33

167.07

0.2916

2001

38

99

S/2003-J15

2

0.0015

22720999

699.68

141.81

0.0932

2003

39

99

S/2003-J10

2

0.0015

22730813

700.13

163.81

0.3438

2003

40

99

S/2003-J23

2

0.0015

22739654

700.54

148.85

0.393

2004

41

25

Erinome

3

0.0045

22986266

711.96

163.74

0.2552

2001

42

41

Aoede

4

0.009

23044175

714.66

160.48

0.6011

2003

43

44

Kallichore

2

0.0015

23111823

717.81

164.61

0.2041

2003

44

23

Kalyke

5

0.019

23180773

721.02

165.51

0.2139

2001

45

11

Carme

46

13

23197992

721.82

165.05

0.2342

1938

46

17

Callirrhoe

9

0.087

23214986

722.62

139.85

0.2582

2000

47

32

Eurydome

3

0.0045

23230858

723.36

149.32

0.3769

2002

48

38

Pasithee

2

0.0015

23307318

726.93

165.76

0.3288

2002

49

48

Cyllene

2

0.0015

23396269

731.10

140.15

0.4115

2003

50

47

Eukelade

4

0.009

23483694

735.20

164.00

0.2828

2003

51

99

S/2003-J4

2

0.0015

23570790

739.29

147.18

0.3003

2003

52

8

Pasiphaë

60

30

23609042

741.09

141.80

0.3743

1908

53

39

Hegemone

3

0.0045

23702511

745.50

152.51

0.4077

2003

54

43

Arche

3

0.0045

23717051

746.19

164.59

0.1492

2002

55

26

Isonoe

4

0.0075

23800647

750.13

165.13

0.1775

2001

56

99

S/2003-J9

1

0.00015

23857808

752.84

164.98

0.2761

2003

57

99

S/2003-J5

4

0.009

23973926

758.34

165.55

0.307

2003

58

9

Sinope

38

7.5

24057865

762.33

153.78

0.275

1914

59

36

Sponde

2

0.0015

24252627

771.60

154.37

0.4431

2002

60

28

Autonoe

4

0.009

24264445

772.17

151.06

0.369

2002

61

49

Kore

2

0.0015

23345093

776.02

137.37

0.1951

2003

62

19

Megaclite

5

0.021

24687239

792.44

150.40

0.3077

2001

63

99

S/2003-J2

2

0.0015

30290846

1077.0

153.52

0.1882

2003

 

 MOONS of SATURN

                          
   
Pan    Atlas  Prometheus  Pandora  Epimeteus  Janus  Methone  Telesto  Calypso  Helene  Polydeuces 
 
      
Mimas                         Enceladus                         Tethys                       Dione

  
      Rhea                              Titan                            Hyperion                  Iapetus              Phoebe
 

Order

Name

Diam

Mass

Orbit

Period

Incl

Ecc

Date

Orbit

Discovery

 

Km

10^16 Kg

Km

Days

 deg

 

 

0

99

Moonlets

0.5

 

130000

?

?

 

2006

0

99

S/2004-S6

5

 

140130

?

0.62

 

2004

0

99

S/2004-S4

3

 

140200

?

0.62

 

2004

0

99

S/2004-S3

3

 

140300

?

0.62

 

2004

1

18

Pan

35

 

133584

0.575

0.00

 

1990

2

35

Daphnis

8

 

136505

0.594

0.00

 

2005

3

15

Atlas

46

 

137670

0.601

0.00

 

1980

4

16

Prometheus

119

27

139380

0.612

0.01

 

1980

5

17

Pandora

103

22

141720

0.628

0.05

 

1980

6

11

Epimetheus

135

55

151422

0.694

0.34

 

1980

7

10

Janus

193

198

151472

0.694

0.17

 

1966

8

1

Mimas

415

3750

185404

0.942

1.57

 

1789

9

32

Methone

3

 

194440

1.009

0.01

 

2004

10

49

Anthe

2

 

197700

1.036

0.10

 

2007

11

33

Pallene

4

 

212280

1.153

0.18

 

2004

12

2

Enceladus

513

7300

237950

1.37

0.01

 

1789

13

3

Tethys

1081

62200

294619

1.887

0.17

 

1684

13a

13

Telesto

29

 

294619

1.887

1.16

 

1980

13b

14

Calypso

30

 

294619

1.887

1.47

 

1980

16

4

Dione

1128

105000

377396

2.736

0.00

 

1684

16a

12

Helene

36

 

377396

2.736

0.21

 

1980

16b

34

Polydeuces

3.5

 

377396

2.736

0.18

 

2004

19

5

Rhea

1535

231000

527108

4.518

0.33

 

1672

20

6

Titan

5151

13500000

1221930

15.95

1.63

 

1655

21

7

Hyperion

360

1770

1481010

21.28

0.57

 

1848

22

8

Iapetus

1494

159000

3560820

79.32

7.57

 

1671

23

24

Kiviuq

16

 

11294800

448.2

49.09

 

2000

24

22

Ijiraq

12

 

11355316

451.8

50.21

 

2000

25

9

Phoebe

230

 

12869700

545.1

173.05

 

1899

26

20

Paaliaq

22

 

15103400

693.0

46.15

 

2000

27

27

Skathi

8

 

15672500

732.5

149.08

 

2000

28

26

Albiorix

32

 

16266700

774.6

38.04

 

2000

29

99

S/2007-S2

6

 

16560000

793.0

176.68

 

2007

30

37

Bebhionn

6

 

17153520

838.8

40.48

 

2004

31

28

Erriapus

10

 

17236900

844.9

38.11

 

2000

32

47

Skoll

6

 

17473800

862.4

155.62

 

2006

33

29

Siarnaq

40

 

17776600

884.9

45.80

 

2000

34

52

Tarqeq

7

 

17910600

894.9

49.90

 

2007

35

99

S/2004-S13

6

 

18056300

905.9

167.38

 

2004

36

51

Greip

6

 

18065700

906.6

172.67

 

2006

37

44

Hyrrokkin

8

 

18168300

914.3

153.27

 

2006

38

5

Jarnsaxa

6

 

18556900

943.8

162.86

 

2006

39

21

Tarvos

15

 

18562800

944.2

34.68

 

2000

40

25

Mundilfari

7

 

18725800

956.7

169.38

 

2000

41

99

S/2006-S1

6

 

18930200

972.4

154.23

 

2006

42

99

S/2004-S17

4

 

19099200

985.5

166.88

 

2004

43

38

Bergelmir

6

 

19104000

985.8

157.38

 

2004

44

31

Narvi

7

 

19395200

1008.5

137.29

 

2003

45

23

Suttungr

7

 

19579000

1022.8

174.32

 

2000

46

43

Hati

6

 

19709300

1033.1

163.13

 

2004

47

99

S/2004-S12

5

 

19905900

1048.5

164.04

 

2004

48

40

Farbauti

5

 

19984800

1054.8

158.36

 

2004

49

30

Thrymr

7

 

20278100

1078.1

174.52

 

2000

50

36

Aegir

6

 

20482900

1094.5

167.43

 

2004

51

99

S/2007-S3

5

 

20518500

1100.0

177.22

 

2007

52

39

Bestla

7

 

20570000

1101.5

147.40

 

2004

53

99

S/2004-S7

6

 

20576700

1102.0

165.60

 

2004

54

99

S/2006-S3

6

 

21076300

1142.4

150.82

 

2006

55

41

Fenrir

4