DISTANCE	
		RADIUS		DENSITY		FROM PLANET	
SATELLITES	(kilometers)	(grams/cc)	(kilometers)

EARTH		6378		5.52
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Moon		1739		3.34		384400


JUPITER		71400		1.33
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Io		1815		3.57		421600
Europa		1569		2.97		670900
Ganymede	2634		1.94		1070000
Callisto	2400		1.86		1883000


SATURN		60330		0.69
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Mimas		197		1.17		185520	
Enceladus	251		~1.2 		238020
Tethys		524		1.26		294660
Dione		559		1.44		377400
Rhea		764		1.33		527040
Titan		2575		1.88 		1221850
Hyperion	~150		  ?		1481100
Iapetus		718		1.21		3561300
Phoebe		~110		  ?		12952000


URANUS		26200		1.15
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Miranda		236		1.15		129900
Ariel		579		1.56		190900
Umbriel		585		1.52		266000
Titania		789		1.70		436300
Oberon		761		1.64		583400


NEPTUNE		25230		1.55
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Proteus		208		  ?		117650
Triton		1353		2.06		354600
Nereid		~170		  ?		5511200