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There are 48 known moons of Jupiter. This gives Jupiter the largest number of moons with reasonably stable orbits of any planet in the Solar System. The most massive of the moons are the four Galilean moons, which were independently discovered in 1610 by Galileo Galilei and Simon Marius and were the first objects found to orbit a body that was neither Earth nor the Sun. From the end of the 19th century, dozens of much smaller Jovian moons have been discovered and have received the names of lovers or daughters of the Roman god Jupiter or his Greek equivalent Zeus.

Jovian Moons Edit

# Moon Name Diameter Radius Disovered Discoverer(s)
1
Europa-moon
Europa 3,122 km 1,561 km January 8, 1610 Galileo Galilei

Simon Marius

2
Ganymede, moon of Jupiter, NASA
Ganymede 5,268 km 2,634 km January 7, 1610 Galileo Galilei
3
Io, moon of Jupiter, NASA
Io 3,643 km 1,822 km January 8, 1610 Galileo Galilei
4
Callisto, moon of Jupiter, NASA
Callisto 4,821 km 2,410 km January 7, 1610 Galileo Galilei
5
Moon ico
Herse 2 km 1 km February 8, 2003 Brett Gladman

John Kavelaars

6
Megaclite
Megaclite 5.4 km 2.7 km November 25, 2000 David Jewitt

Scott Sheppard

Yanga Fernandez

7
Moon ico
Kale 2 km 1 km December 9, 2001 David Jewitt

Scott Sheppard

Jan Kleyna

8
Lysithea
Lysithea 36 km 18 km July 6, 1938 Seth Barnes Nicholson
9
Adrastea
Adrastea 16 km 8 km July 8, 1979 David Jewitt
10
Moon ico
Themisto 8 km 4 km September 30, 1975 David Jewitt

Scott Sheppard

Elizabeth Roemer

Charles Kowal

Yanga Fernandez

11
Metis
Metis 43 km 22 km March 4, 1979 Stephen Synott
12
Harpalyke
Harpalyke 4 km 2.2 km November 23, 2000 David Jewitt

Scott Sheppard

Yanga Fernandez

13
Amalthea
Amalthea 167 km 84 km September 9, 1892 Edward Emerson Bernanrd
14
Eurydome
Eurydome 3 km 1.5 km 2001 Scott Sheppard
15
Callirrhoe
Callirrhoe 8.6 km 4.3 km October 6, 1999 Timothy Spahr

James Scotti

Tom Gehrels

Robert McMillan

16
Moon ico
Arche 3 km 1.5 km 2002 Scott Sheppard
17
Chaldene
Chaldene 3.8 km 1.9 km 2000 Scott Sheppard
18
Autonoe
Autonoe 4 km 2 km December 10, 2001 David Jewitt

Scott Sheppard

Jan Kleyna

19
Moon ico
Eukelade 4 km 2 km February 5, 2003 David Jewitt

Scott Sheppard

Jan Kleyna

Yanga Fernandez

20
Moon ico
Kallichore 2 km 1 km February 6, 2003 Scott Sheppard
21
Moon ico
Himalia 170 km 85 km December 3, 1904 Charles Dillon Perrine
22
Thebe
Thebe 99 km 49 km March 5, 1979 Stephen Synott
23
Elara
Elara 86 km 43 km January 5, 1905 Charles Dillon Perrine
24
Moon ico
Ananke 20 km 14 km September 28, 1951 Seth Barnes Nicholson
25
Moon ico
Carme 46 km 23 km July 38, 1938 Seth Barnes Nicholson
26
Moon ico
Sinope 28 km 19 km July 21, 1914 Seth Barnes Nicholson
27
Moon ico
Leda 20 km 10 km September 11, 1974 Charles Kowal
28
Moon ico
Pasiphae 58 km 30 km January 27, 1908 Philibert Melotte
29
Moon ico
Mneme 2 km 1 km February 9, 2003 Scott Sheppard
30
Praxidike
Praxidike 7 km 3.4 km November 23, 2000 David Jewitt

Scott Sheppard

Yanga Fernandez

31
Carpo
Carpo 3 km 1.5 km February 9, 2003 Scott Sheppard
32
Moon ico
Sponde 2 km 1 km December 9, 2001 David Jewitt

Scott Sheppard

Jan Kleyna

33
Taygete
Taygete 5 km 2.5 km November 25, 2000 David Jewitt

Scott Sheppard

Yanga Fernandez

34
Moon ico
Hermippe 4 km 2 km December 9, 2001 David Jewitt

Scott Sheppard

Jan Kleyna

35
Moon ico
Euanthe 3 km 1.5 km December 11, 2001 Scott Sheppard
36
Moon ico
Cyllene 2 km 1 km February 9, 2003 Scott Sheppard
37
Erinome
Erinome 3.2 km 1.6 km November 23, 2000 David Jewitt

Scott Sheppard

Yanga Fernandez

38
Atine
Atine 3 km 1.5 km 2001 Scott Sheppard
39
Thyone
Thyone 4 km 2 km December 11, 2001 David Jewitt

Scott Sheppard

Jan Kleyna

40
Pasithee
Pasithee 2 km 1 km December 11, 2001 David Jewitt

Scott Sheppard

Jan Kleyna

41
Moon ico
Euporie 2 km 1 km 2001 Scott Sheppard
42
Isonoe
Isonoe 3.8 km 1.9 km November 23, 2000 David Jewitt

Scott Sheppard

Yanga Fernandez

43
Moon ico
Hegemone 3 km 1.5 km February 8, 2003 David Jewitt

Scott Sheppard

Jan Kleyna

Yanga Fernandez

44
Moon ico
Helike 4 km 2 km February 6, 2003 David Jewitt

Scott Sheppard

Jan Kleyna

Yanga Fernandez

45
Moon ico
Aoede 4 km 2 km February 8, 2003 David Jewitt

Scott Sheppard

Jan Kleyna

Yanga Fernandez

46
Moon ico
Orthosie 2 km 1 km December 11, 2001 David Jewitt

Scott Sheppard

Jan Kleyna

47
Thelxinoe
Thelxinoe 2 km 1 km February 9, 2003 Scott Sheppard

Brett Gladman

48
Moon ico
Kore 2 km 1 km February 8, 2003 Scott Sheppard