The Moons of the Solar System

                   

              1, 2, 3 etc. – Newly discovered moons     – Moons of Saturn explored by the Cassini spacecraft      – The description contains the rotating map
O.N.

Name

(Just click
on any name
and you will
see more info!)

Mean
distance from
the planet
Orbital
period

[days]

(* retrograde
motion)
Orbital
eccentricity

(0.0000 =
circular
orbit)
Orbit
incli-
nation

[degrees]
Mean
diameter

[km]

Discoverer & year
of the discovery

(* this moon was
discovered by a
team of astronomers)

Visual
magni-
tude

[mag]

[×103 km] [planetary
R]
1 2 3 4 5 6 7 8

9

10 11 12



1

EARTH

The Moon


384.4


60.3


27.32  


0.0554



5.2



3,475.0





–12.7


1
2
MARS

Phobos
Deimos


9.4
23.5


2.8
6.9


0.32  
1.26  


0.0151
0.0002


1.1
1.8


22.2
12.4


A. Hall    1877
A. Hall    1877


11.4
12.5


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
JUPITER

Metis
Adrastea
Amalthea
Thebe
Io
Europa
Ganymede
Callisto
Themisto
Leda
Himalia
Lysithea
Elara
S/2000 J11
Carpo
S/2003 J12
Euporie
S/2003 J3
S/2003 J18
Orthosie
Euanthe
Harpalyke
Praxidike
Thyone
S/2003 J16
Mneme
Iocaste
Helike
Hermippe
Thelxinoe
Ananke
S/2003 J15
Eurydome
Arche
S/2003 J17
Pasithee
S/2003 J10
Chaldene
Isonoe
Erinome
Kale
Aitne
Taygete
Kallichore
Eukelade
S/2003 J9
Carme
Kalyke
Sponde
Megaclite
S/2003 J5
S/2003 J19
S/2003 J23
Hegemone
Pasiphae
Cyllene
S/2003 J4
Sinope
Aoede
Autonoe
Callirrhoe
Kore
S/2003 J2



1
28.0
129.0
181.4
221.9
421.8
671.1
1,070.4
1,882.7
7,284.0
11,165.0
11,461.0
11,717.0
11,741.0
12,555.0
17,058.0
17,833.0
19,304.0
20,224.0
20,426.0
20,720.0
20,797.0
20,858.0
20,908.0
20,939.0
20,956.0
21,035.0
21,060.0
21,069.0
21,131.0
21,164.0
21,276.0
22,630.0
22,865.0
22,931.0
22,983.0
23,004.0
23,044.0
23,100.0
23,155.0
23,196.0
23,217.0
23,229.0
23,280.0
23,288.0
23,328.0
23,388.0
23,404.0
23,483.0
23,487.0
23,493.0
23,498.0
23,535.0
23,566.0
23,577.0
23,624.0
23,809.0
23,933.0
23,939.0
23,980.0
24,046.0
24,103.0
24,543.0
28,455.0



1.8
1.8
2.5
3.1
5.9
9.4
15.0
26.3
101.9
156.2
160.3
163.9
164.2
175.6
238.6
249.4
270.0
282.9
285.7
289.8
290.9
291.8
292.5
292.9
293.1
294.2
294.6
294.7
295.6
296.0
297.6
316.5
319.8
320.7
321.5
321.8
322.3
323.1
323.9
324.5
324.7
324.9
325.6
325.7
326.3
327.1
327.4
328.5
328.5
328.6
328.7
329.2
329.6
329.8
330.4
333.0
334.8
334.8
335.4
336.3
337.1
343.3
398.0


0.30  
0.30  
0.50  
0.68  
1.77  
3.55  
7.16  
16.69  
130.02  
240.92  
250.56  
259.20  
259.64  
287.00  
456.30*
489.72*
550.74*
583.88*
596.58*
622.56*
620.49*
623.32*
625.39*
627.21*
616.33*
620.04*
631.60*
626.32*
633.90*
628.09*
629.77*
689.77*
717.33*
723.90*
714.51*
719.44*
716.25*
723.72*
726.23*
728.46*
729.47*
730.18*
732.41*
728.73*
730.47*
733.30*
734.17*
742.06*
748.34*
752.86*
738.74*
740.43*
732.45*
739.88*
743.63*
752.00*
755.26*
758.90*
761.50*
760.95*
758.77*
779.17*
981.55*


0.0012
0.0018
0.0032
0.0176
0.0041
0.0094
0.0013
0.0074
0.2428
0.1636
0.1623
0.1124
0.2174
0.2480
0.4316
0.4920
0.1432
0.1969
0.0601
0.2808
0.2321
0.2269
0.2311
0.2286
0.2266
0.2301
0.2158
0.1506
0.2096
0.2194
0.2435
0.1944
0.2759
0.2588
0.2381
0.2675
0.4294
0.2521
0.2471
0.2664
0.2599
0.2643
0.2525
0.2503
0.2634
0.2627
0.2533
0.2471
0.3121
0.4198
0.2476
0.2559
0.2738
0.3396
0.4090
0.4115
0.3620
0.2495
0.4311
0.3168
0.2829
0.3245
0.4074


0.0
0.1
0.4
1.1
0.0
0.5
0.2
0.2
43.3
27.5
27.5
28.3
26.6
28.3
51.6
151.1
145.8
147.5
145.9
145.9
148.9
148.6
149.0
148.5
148.5
148.7
149.4
154.9
150.7
151.4
148.9
146.6
150.3
165.0
164.9
165.1
165.1
165.2
165.3
164.9
165.0
165.1
165.3
165.1
165.2
165.1
164.9
165.2
151.0
152.8
165.2
165.2
146.4
154.2
151.4
150.4
149.6
158.1
158.3
152.4
147.2
145.0
157.3


43.0
16.4
166.9
98.6
3,643.2
3,121.6
5,262.4
4,820.6
8.0
20.0
170.0
36.0
86.0
4.0
3.0
1.0
2.0
2.0
2.0
2.0
3.0
4.4
6.8
4.0
2.0
2.0
5.2
4.0
4.0
2.0
28.0
2.0
3.0
3.0
2.0
2.0
2.0
3.8
3.8
3.2
2.0
3.0
5.0
2.0
4.0
1.0
46.0
5.2
2.0
5.4
4.0
2.0
2.0
3.0
60.0
2.0
2.0
38.0
4.0
4.0
8.6
2.0
2.0


S.P. Synnott*  1980
D.C. Jewitt*  1979
E.E. Barnard    1892
S.P. Synnott*  1980
Galileo    1610
Galileo    1610
Galileo    1610
Galileo    1610
S.S. Sheppard*  2000
C. Kowal    1974
C. Perrine    1904
S. Nicholson    1938
C. Perrine    1905
S.S. Sheppard*  2000
S.S. Sheppard    2003
S.S. Sheppard    2003
S.S. Sheppard*  2001
S.S. Sheppard    2003
B. Gladman    2003
S.S. Sheppard*  2001
S.S. Sheppard*  2001
S.S. Sheppard*  2000
S.S. Sheppard*  2000
S.S. Sheppard*  2001
B. Gladman    2003
S.S. Sheppard*  2003
S.S. Sheppard*  2000
S.S. Sheppard    2003
S.S. Sheppard*  2001
S.S. Sheppard*  2003
S. Nicholson    1951
S.S. Sheppard    2003
S.S. Sheppard*  2001
S.S. Sheppard    2002
B. Gladman    2003
S.S. Sheppard*  2001
S.S. Sheppard    2003
S.S. Sheppard*  2000
S.S. Sheppard*  2000
S.S. Sheppard*  2000
S.S. Sheppard*  2001
S.S. Sheppard*  2001
S.S. Sheppard*  2000
S.S. Sheppard    2003
S.S. Sheppard    2003
S.S. Sheppard    2003
S. Nicholson    1938
S.S. Sheppard*  2000
S.S. Sheppard*  2001
S.S. Sheppard*  2000
S.S. Sheppard    2003
B. Gladman    2003
S.S. Sheppard    2003
S.S. Sheppard    2003
P. Melotte    1908
S.S. Sheppard    2003
S.S. Sheppard    2003
S. Nicholson    1914
S.S. Sheppard    2003
S.S. Sheppard*  2001
J.V. Scotti*  1999
S.S. Sheppard    2003
S.S. Sheppard    2003


17.5
18.7
14.1
16.0
5.0
5.3
4.6
5.7
21.0
19.5
14.6
18.3
16.3
22.4
23.0
23.9
23.1
23.4
23.4
23.1
22.8
22.2
21.2
22.3
23.3
23.3
21.8
22.6
22.1
23.5
18.8
23.5
22.7
22.8
23.4
23.2
23.6
22.5
22.5
22.8
23.0
22.7
21.9
23.7
22.6
23.7
17.6
21.8
23.0
21.7
22.4
23.7
23.6
22.9
17.0
23.2
23.0
18.1
22.5
22.0
20.7
23.6
23.2


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
SATURN

Pan
Daphnis
Atlas
Prometheus
Pandora
Epimetheus
Janus
Mimas
Methone
S/2007 S4
Pallene
Enceladus
Tethys
Telesto
Calypso
Polydeuces
Dione
Helene
Rhea
Titan
Hyperion
Iapetus
Kiviuq
Ijiraq
Phoebe
Paaliaq
Skathi
Albiorix
S/2007 S2
Bebhionn
Erriapo
Siarnaq
Skoll
S/2007 S1
Tarvos
S/2006 S4
S/2004 S13
Hyrokkin
Mundilfari
S/2006 S1
S/2006 S6
Narvi
Bergelmir
S/2004 S17
Suttungr
Hati
S/2004 S12
Bestla
Thrymr
Farbauti
S/2007 S3
Aegir
S/2004 S7
Kari
S/2006 S3
Fenrir
Surtur
Ymir
Loge
Fornjot


133.6
136.5
137.7
139.4
141.7
151.4
151.5
167.5
185.5
194.4
197.7
212.3
238.0
294.7
294.7
294.7
377.2
377.4
377.4
527.1
1,221.9
1,500.9
3,560.8
11,110.0
11,124.0
12,947.8
15,200.0
15,540.0
16,182.0
16,560.0
17,119.0
17,343.0
17,531.0
17,665.0
17,910.6
17,983.0
18,206.0
18,404.0
18,437.0
18,628.0
18,790.0
18,811.0
19,007.0
19,336.0
19,447.0
19,459.0
19,846.0
19,878.0
20,192.0
20,314.0
20,377.0
20,518.5
20,751.0
20,999.0
22,089.0
22,096.0
22,454.0
22,704.0
23,040.0
23,058.0
25,146.0


2.2
2.3
2.3
2.3
2.4
2.5
2.5
2.8
3.1
3.2
3.3
3.5
3.9
4.9
4.9
4.9
6.3
6.3
6.3
8.7
20.3
24.9
59.1
184.3
184.6
214.8
252.2
257.8
268.5
274.8
284.0
287.8
290.9
293.1
297.2
298.4
302.1
305.4
305.9
309.1
311.8
312.1
315.4
320.8
322.7
322.9
329.3
329.8
335.0
337.1
338.1
340.5
344.3
348.4
366.5
366.6
372.6
376.7
382.3
382.6
417.2


0.58  
0.59  
0.60  
0.61  
0.63  
0.69  
0.70  
0.81  
0.94  
1.01  
1.04  
1.15  
1.37  
1.89  
1.89  
1.89  
2.74  
2.74  
2.74  
4.52  
15.95  
21.28  
79.33  
449.22  
451.42  
550.31*
686.95  
728.20*
783.45  
792.96*
834.84  
871.19  
895.53  
878.29*
894.86  
926.23  
921.19*
933.48*
931.86*
952.77*
963.37*
964.74*
1,003.86*
1,005.74*
1,014.70*
1,016.67*
1,038.61*
1,046.19*
1,088.72*
1,094.11*
1,085.55*
1,100.00*
1,117.52*
1,140.24*
1,230.97*
1,227.21*
1,260.35*
1,297.36*
1,315.14*
1,311.36*
1,494.20*


0.0000
0.0000
0.0012
0.0022
0.0042
0.0098
0.0068
0.0002
0.0196
0.0001
0.0010
0.0040
0.0047
0.0001
0.0002
0.0005
0.0192
0.0022
0.0071
0.0010
0.0288
0.0274
0.0283
0.3289
0.3164
0.1635
0.3630
0.2698
0.4770
0.2180
0.4691
0.4724
0.2960
0.4641
0.1080
0.5305
0.3259
0.2586
0.3336
0.2099
0.1172
0.2164
0.4308
0.1428
0.1793
0.1140
0.3713
0.3260
0.5176
0.4664
0.2396
0.1300
0.2520
0.5299
0.4770
0.3979
0.1363
0.4507
0.3349
0.1856
0.2066


0.0
0.0
0.0
0.0
0.1
0.4
0.2
0.0
1.6
0.0
0.1
0.2
0.0
1.1
1.2
1.5
0.2
0.0
0.2
0.3
0.3
0.6
7.5
45.7
46.4
176.0
45.1
152.6
34.2
176.7
35.0
34.7
46.0
161.2
49.9
33.8
179.8
168.8
151.5
167.5
156.3
163.3
145.8
158.6
168.2
175.8
165.8
165.3
145.2
175.8
156.4
177.0
166.7
166.2
156.3
158.3
165.0
177.5
173.1
167.9
170.4


25.6
7.0
20.0
93.6
81.2
116.6
180.8
0.5
397.6
3.0
~2.0
4.0
504.6
1,072.6
24.0
19.0
4.0
1,125.0
32.0
1,529.0
5,151.0
266.0
1,469.0
16.0
12.0
213.2
22.0
8.0
32.0
6.0
6.0
10.0
40.0
6.0
7.0
15.0
6.0
6.0
8.0
7.0
6.0
6.0
7.0
6.0
4.0
7.0
6.0
5.0
7.0
7.0
5.0
5.0
6.0
6.0
7.0
6.0
4.0
6.0
18.0
6.0
6.0


M. Showalter*  1990
C.C. Porco*  2005
R. Terrile*  1980
S.A. Collins*  1980
S.A. Collins*  1980
J. Fountain*  1980
A. Dollfus    1966
C.C. Porco* 2008
W. Herschel    1789
C.C. Porco*  2004
Cassini Team* 2007
C.C. Porco*  2004
W. Herschel    1789
G.D. Cassini    1684
B. Smith*  1980
D. Pascu*  1980
C.C. Porco*  2004
G.D. Cassini    1684
P. Laques*  1980
G.D. Cassini    1672
C. Huygens    1655
W. Bond*  1848
G.D. Cassini    1671
B. Gladman    2000
J.J. Kavelaars*  2000
W. Pickering    1898
B. Gladman    2000
J.J. Kavelaars*  2000
M. Holman*  2000
S.S. Sheppard*  2007
D.C. Jewitt*  2004
J.J. Kavelaars*  2000
B. Gladman*  2000
S.S. Sheppard*  2006
S.S. Sheppard*  2007
J.J. Kavelaars*  2000
S.S. Sheppard*  2006
D.C. Jewitt*  2004
S.S. Sheppard*  2004
B. Gladman*  2000
S.S. Sheppard*  2006
S.S. Sheppard*  2006
S.S. Sheppard    2003
D.C. Jewitt*  2004
D.C. Jewitt*  2004
B. Gladman*  2000
D.C. Jewitt*  2004
D.C. Jewitt*  2004
D.C. Jewitt*  2004
B. Gladman*  2000
D.C. Jewitt*  2004
S.S. Sheppard*  2007
D.C. Jewitt*  2004
D.C. Jewitt*  2004
S.S. Sheppard*  2006
S.S. Sheppard*  2006
D.C. Jewitt*  2004
S.S. Sheppard*  2006
B. Gladman    2000
S.S. Sheppard*  2006
D.C. Jewitt*  2004


19.4
24.0
19.0
15.8
16.4
15.6
14.4
N/A
12.8
25.0
26.0 ?
25.0
11.8
10.2
18.5
18.7
25.0
10.4
18.4
9.6
8.4
14.4
11.0
22.0
22.6
16.4
21.3
23.6
20.5
24.4
24.1
23.0
20.1
24.5
23.9
22.1
24.4
24.5
23.5
23.8
24.6
24.7
23.8
24.2
25.2
23.9
24.4
24.8
23.8
23.9
24.7
24.9
24.4
24.5
23.9
24.6
25.0
24.8
21.7
24.6
24.6


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
URANUS

Cordelia
Ophelia
Bianca
Cressida
Desdemona
Juliet
Portia
Rosalind
Cupid
Belinda
Perdita
Puck
Mab
Miranda
Ariel
Umbriel
Titania
Oberon
Francisco
Caliban
Stephano
Trinculo
Sycorax
Margaret
Prospero
Setebos
Ferdinand


49.8
53.8
59.2
61.8
62.7
64.4
66.1
69.9
74.4
75.3
76.4
86.0
97.7
129.9
190.9
266.0
436.3
583.5
4,276.0
7,231.0
8,004.0
8,504.0
12,179.0
14,345.0
16,256.0
17,418.0
20,901.0


1.9
2.1
2.3
2.4
2.5
2.5
2.6
2.7
2.9
2.9
3.0
3.4
3.8
5.1
7.5
10.4
17.1
22.8
167.3
282.9
313.2
332.7
476.5
561.3
636.0
681.5
817.8


0.34  
0.38  
0.44  
0.46  
0.47  
0.49  
0.51  
0.56  
0.61  
0.62  
0.64  
0.76  
0.92  
1.41  
2.52  
4.14  
8.71  
13.46  
266.56*
579.73*
677.36*
749.24*
1,288.30*
1,687.01  
1,978.29*
2,225.21*
2,887.21*


0.0003
0.0099
0.0009
0.0004
0.0001
0.0007
0.0001
0.0001
0.0013
0.0001
0.0116
0.0001
0.0025
0.0013
0.0012
0.0039
0.0011
0.0014
0.1459
0.1587
0.2292
0.2200
0.5224
0.6608
0.4448
0.5914
0.3682


0.1
0.1
0.2
0.0
0.1
0.1
0.1
0.3
0.1
0.0
0.5
0.3
0.1
4.3
0.0
0.1
0.1
0.1
145.2
140.9
144.1
167.1
159.4
56.6
152.0
158.2
169.8


40.2
42.8
51.4
79.6
64.0
93.6
135.2
72.0
10.0
80.6
20.0
162.0
10.0
471.6
1,157.8
1,169.4
1,577.8
1,522.8
12.0
98.0
20.0
10.0
190.0
11.0
30.0
30.0
12.0


R. Terrile*  1986
R. Terrile*  1986
Voyager 2*  1986
S.P. Synnott*  1986
S.P. Synnott*  1986
S.P. Synnott*  1986
S.P. Synnott*  1986
S.P. Synnott*  1986
M. R. Showalter*  2003
S.P. Synnott*  1986
E. Karkoschka*  1999
S.P. Synnott*  1985
M. R. Showalter*  2003
G. Kuiper    1948
W. Lassell    1851
W. Lassell    1851
W. Herschel    1787
W. Herschel    1787
M. Holman*  2001
B. Gladman*  1997
B. Gladman*  1999
M. Holman*  2001
P.D. Nicholson*  1997
M. Holman*  2003
M. Holman*  1999
J.J. Kavelaars*  1999
M. Holman*  2001


23.6
23.3
22.5
21.6
22.0
21.1
20.4
21.8
26.0
21.5
24.0
19.8
26.0
15.8
13.7
14.5
13.5
13.7
25.0
22.4
24.1
25.4
20.8
25.2
23.2
23.3
25.1


1
2
3
4
5
6
7
8
9
10
11
12
13
NEPTUNE

Naiad
Thalassa
Despina
Galatea
Larissa
Proteus
Triton
Nereid
Halimede
Sao
Laomedeia
Psamathe
Neso


48.2
50.1
52.5
62.0
73.5
117.6
354.8
5,513.4
15,728.0
22,422.0
23,571.0
46,695.0
48,387.0


1.9
2.0
2.1
2.5
3.0
4.8
14.3
222.6
635.1
905.4
951.8
1,885.6
1,953.9


0.29  
0.31  
0.34  
0.43  
0.56  
1.12  
5.88*
360.14  
1,879.71*
2,914.07  
3,167.85  
9,115.91*
9,373.99*


0.0004
0.0002
0.0002
0.0000
0.0014
0.0005
0.0000
0.7512
0.5711
0.2931
0.4237
0.4499
0.4945


4.7
0.2
0.1
0.1
0.2
0.0
156.8
7.2
134.1
48.5
34.7
137.4
132.6


66.0
82.0
150.0
176.0
194.0
420.0
2,706.8
340.0
62.0
44.0
42.0
40.0
60.0


R. Terrile*  1989
R. Terrile*  1989
S.P. Synnott*  1989
S.P. Synnott*  1989
H. Reitsema*  1989
S.P. Synnott*  1989
W. Lassell    1846
G. Kuiper    1949
M. Holman*  2002
M. Holman*  2002
M. Holman*  2002
D.C. Jewitt*  2003
M. Holman*  2002



23.9
23.3
22.0
21.9
21.5
19.8
13.5
19.7
24.5
24.5
25.5
24.6
25.5


The original data in the table was credited to Mr Thomas Sciezor
The updated data are credited to:
JPL Solar System Dynamics(95%) and S.S. Sheppard Homepage(5%).

 

   Given below is a list of some of the materials that were very helpful in creating my site:

     P. Artymowicz, Astrophysics of planetary systems, Warsaw 1995
     S.R. Brzostkiewicz, The Red Planet, Warsaw 1976
     T. Z. Dworak, J. M. Kreiner, The Outer Planets of the Solar System, Warsaw-Cracow 1995
     R. Greeley, R. Batson, The NASA Atlas of the Solar System, (Polish edition) Warsaw 1999
     W. Kopalinski, Dictionary of myths and tradition of culture, Warsaw 1985
     D.H. Levy, The sky: a User's Guide, (Polish edition) Warsaw 1996
     E. Rybka, General astronomy, Warsaw 1983
     The Geographical encyclopaedia of the World: THE UNIVERSE, Cracow 1997
     T. Sciezor, The Astronomical Almanach for 2002, Cracow 2001
     T. Sciezor, The Astronomical Almanach for 2003, Cracow 2002
     T. Sciezor, The Astronomical Almanach for 2004, Cracow 2003
     T. Sciezor, Observer's Guide to the Solar System, Cracow 2001

     ...and several articles concerning planets and their moons published in:
     ''Urania'' (1990-1997) and ''Urania – Progress in Astronomy'' (1998-2004)

 


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