Jupiter had 63 moons at the last census. Saturn has 56, Uranus 27, Neptune 13, Mars 2 and Earth 1 making 162 planetary moons in all, There are, in addition, some 80 known moons of minor planets and asteroids, including Pluto which has 3 and Eris which has 1 and the asteroid 87 Sylvia which has 2.
The first Jovian moons to be discovered (in European culture) were Io, Callisto, Europa and Ganymede in January 1610, by Galileo. But the Chinese astronomer Gan De is reported to have seen one of the moons of Jupiter (possibly Ganymede) with his naked eye in 364 BC, Nearly 2,000 years earlier.
15 of the moons still lack a name, and only have a designation. In order outwards from the planet, with their orbital periods, the 63 are as follows:
1 Metis 7h 4m 29s
2 Adrastea 7h 9m 30s
3 Amalthea 11h 57m 22.67s
4 Thebe 16h 11m 17s
5 Io 1.77 days
6 Europa 3.55 days
7 Ganymede 7.15 days
8 Callisto 16.69 days
9 Themisto 129.87 days
10 Leda 241.75 days
11 Himalia 250.37 days
12 Lysithea 259.89 days
13 Elara 261.14 days
14 S/2000 J 11 287.93 days
15 Carpo 458.62 days
16 S/2003 J 12 482.69 days
17 Euporie 538.78 days
18 S/2003 J 3 561.52 days
19 S/2003 J 18 569.73 days
20 Thelxinoe 597.61 days
21 Euanthe 598.09 days
22 Helike 601.40 days
23 Orthosie 602.62 days
24 Iocaste 609.43 days
25 S/2003 J 16 610.36 days
26 Praxidike 613.90 days
27 Harpalyke 624.54 days
28 Mneme 627.48 days
29 Hermippe 629.81 days
30 Thyone 639.80 days
31 Ananke 642.02 days
32 S/2003 J 17 672.75 days
33 Aitne 679.64 days
34 Kale 685.32 days
35 Taygete 686.67 days
36 S/2003 J 19 699.12 days
37 Chaldene 699.33 days
38 S/2003 J 15 699.68 days
39 S/2003 J 10 700.13 days
40 S/2003 J 23 700.54 days
41 Erinome 711.96 days
42 Aoede 714.66 days
43 Kallichore 717.81 days
44 Kalyke 721.02 days
45 Carme 721.82 days
46 Callirrhoe 722.62 days
47 Eurydome 723.36 days
48 Pasithee 726.93 days
49 Cyllene 731.10 days
50 Eukelade 735.20 days
51 S/2003 J 4 739.29 days
52 Pasiphaë 741.09 days
53 Hegemone 745.50 days
54 Arche 746.19 days
55 Isonoe 750.13 days
56 S/2003 J 9 752.84 days
57 S/2003 J 5 758.34 days
58 Sinope 762.33 days
59 Sponde 771.60 days
60 Autonoe 772.17 days
61 S/2003 J 14 776.02 days
62 Megaclite 792.44 days
63 S/2003 J 2 1077.02 days
2006-12-15 07:27:23
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answer #1
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answered by Anonymous
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Io, Europa, Ganymede, Callisto, Amalthea, Himalia, Elara, Pasiphae, Sinope, Lysithea, Carme, Ananke, Leda, Thebe, Adrastea, Metis, Callirrhoe, Themisto, Megaclite.
2006-12-15 03:27:26
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answer #2
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answered by bosnjgal 3
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The four large Galilean moons (the ones easy to see with a small telescope):
Io
Europa
Ganymede
Callisto
Others:
Amalthea
Adrastea
Metis
Thebe
Leda
Himalia
Lysithea
Elara
Ananke
Carme
Pasiphae
Sinope
This list is a few years old (late nineties). There may be a few more discovered since the Galileo mission -- certainly many very small satellites that don't have proper names. This is what I have.
2006-12-15 03:22:13
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answer #3
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answered by Anonymous
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Donner, Blitzen, Little Stephen, Bob, Paris, Britney, Brad Pitt, Tom, Jerry, Bugsy, Suzie Cream Cheese, Jose, Balthazar, Bullwinkle, Jasper, Pete, Shirley and Snoop Dog! I think I got 'em all!
2006-12-15 03:26:32
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answer #4
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answered by Anonymous
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the fisrst 4 moons
2015-01-19 09:05:31
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answer #5
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answered by Louis 1
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Try Google or Wikipedia.
2006-12-15 03:28:34
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answer #6
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answered by ag_iitkgp 7
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Let's see now, there Comet, Cupid, Donner, and Blitzen---oh, that's not right! Merry Christmas anyway!
2006-12-15 03:21:46
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answer #7
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answered by Doug R 5
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Google.com...the answer is out there:))))
2006-12-15 03:21:33
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answer #8
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answered by Hadjy 1
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