compiled by Wm. Robert Johnston
last updated 22 September 2011

planet	satellite	diameter/semiaxes (see note)	density	mean distance from planet	orbital period	orbital eccentricity	orbital inclination	year discovered
		km	kg/m3	km	days		degrees
Earth	Moon	3475	3344	384,400	27.3217	0.055	23.43	N/A
Mars	Phobos	27 x 22 x 18	1872	9,376	0.3189	0.015	1.08	1877
	Deimos	15 x 12 x 10	1471	23,458	1.2624	0.000	1.79	1877
Jupiter	Metis	60 x 40 x 40		128,100	0.2950	0.001	0.02	1979
	Adrastea	20 x 16 x 14		128,900	0.2980	0.002	0.05	1979
	Amalthea	250 x 146 x 128	849	181,366	0.4982	0.003	0.37	1892
	Thebe	116 x 98 x 84		221,889	0.6745	0.018	1.08	1979
	Io	3659 x 3639 x 3631	3528	421,800	1.7690	0.004	0.04	1610
	Europa	3128 x 3122 x 3122	3013	671,100	3.5510	0.009	0.47	1610
	Ganymede	5265 x 5264 x 5265	1942	1,070,400	7.1550	0.001	0.18	1610
	Callisto	4819 x 4818 x 4819	1834	1,882,700	16.6900	0.007	0.19	1610
	Themisto	9		7,507,000	130.0	0.242	43.07	1975
	Leda	18		11,165,000	240.9	0.164	27.46	1974
	Himalia	170		11,461,000	250.6	0.162	27.50	1904
	Lysithea	38		11,717,000	259.2	0.112	28.30	1938
	Elara	86		11,741,000	259.6	0.217	26.63	1905
	S/2000 J11	4		12,555,000	287.0	0.248	28.30	2000
	Carpo	3		17,078,000	456.3	0.444	51.16	2003
	S/2003 J12	1		17,835,000	489.7	0.488	150.83	2003
	Euporie	2		19,339,000	550.7	0.144	145.50	2001
	S/2003 J 3	2		20,230,000	583.9	0.203	147.77	2003
	S/2010 J 2	1		20,307,000	588.1	0.307	150.40	2010
	S/2003 J18	2		20,494,000	598.1	0.102	146.01	2003
	S/2003 J16	2		20,948,000	616.3	0.231	148.63	2003
	Mneme	2		21,036,000	620.1	0.227	148.63	2003
	Euanthe	3		21,038,000	620.4	0.231	149.00	2001
	Helike	4		21,064,000	626.3	0.147	154.62	2003
	Harpalyke	4		21,104,000	623.3	0.226	148.65	2000
	Praxidike	7		21,148,000	625.4	0.230	148.99	2000
	Orthosie	2		21,164,000	622.6	0.278	145.94	2001
	Thelxinoe	2		21,165,000	628.1	0.219	151.34	2003
	Thyone	4		21,192,000	627.2	0.238	148.82	2001
	Iocaste	5		21,272,000	631.6	0.215	149.44	2000
	Ananke	28		21,276,000	629.8	0.244	148.89	1951
	Hermippe	4		21,300,000	633.9	0.212	150.89	2001
	S/2003 J15	2		22,622,000	689.8	0.187	146.41	2003
	S/2003 J10	2		23,042,000	716.3	0.428	165.22	2003
	Pasithee	2		23,090,000	719.5	0.267	165.03	2001
	Herse	2		23,097,000	715.4	0.200	164.20	2003
	Eurydome	3		23,148,000	717.3	0.276	150.21	2001
	Chaldene	4		23,179,000	723.7	0.251	165.17	2000
	Isonoe	4		23,231,000	726.2	0.247	165.25	2000
	Kallichore	2		23,273,000	728.3	0.242	165.12	2003
	Erinome	3		23,283,000	728.5	0.266	164.92	2000
	Kale	2		23,302,000	729.6	0.252	165.07	2001
	S/2010 J 1	2		23,314,000	723.2	0.320	163.20	2010
	Aitne	3		23,315,000	730.1	0.266	165.06	2001
	Eukelade	4		23,322,000	730.3	0.267	165.25	2003
	Arche	3		23,355,000	731.9	0.256	164.94	2002
	Taygete	5		23,363,000	732.4	0.252	165.24	2000
	S/2003 J 9	1		23,385,000	733.3	0.264	165.16	2003
	Carme	46		23,404,000	734.2	0.253	164.91	1938
	S/2003 J 5	4		23,493,000	738.8	0.246	165.28	2003
	S/2003 J19	2		23,532,000	740.4	0.262	165.17	2003
	S/2003 J23	2		23,549,000	732.5	0.270	146.27	2003
	Kalyke	5		23,564,000	742.1	0.246	165.18	2000
	Hegemone	3		23,566,000	739.9	0.344	153.98	2003
	Pasiphae	58		23,624,000	743.6	0.409	151.43	1908
	Cyllene	2		23,787,000	752.0	0.418	150.20	2003
	Sponde	2		23,790,000	748.3	0.313	151.15	2001
	Megaclite	5		23,808,000	752.9	0.421	152.85	2000
	S/2003 J 4	2		23,928,000	755.2	0.356	149.32	2003
	Sinope	38		23,939,000	758.9	0.250	158.11	1914
	Aoede	4		23,969,000	761.4	0.432	158.25	2003
	Autonoe	4		24,033,000	761.0	0.317	152.28	2001
	Callirrhoe	9		24,102,000	758.8	0.283	147.16	1999
	Kore	2		24,486,000	776.6	0.332	145.04	2003
S/2003 J 2	2		28,332,000	979.3	0.411	157.11	2003
Saturn	S/2009 S 1	0.3		117,000	0.4714	0.000	0.00	2009
	Pan	28	420	133,584	0.5751	0.000	0.00	1990
	Daphnis	8	340	136,505	0.5941	0.000	0.00	2005
	Atlas	37 x 34 x 27	460	137,670	0.6017	0.001	0.00	1980
	Prometheus	148 x 100 x 68	480	139,380	0.6130	0.002	0.01	1980
	Pandora	110 x 88 x 62	490	141,720	0.6285	0.004	0.05	1980
	Epimetheus	138 x 110 x 110	640	151,410	0.6943	0.010	0.35	1976
	Janus	194 x 190 x 154	630	151,460	0.6947	0.007	0.16	1966
	Aegaeon	0.6		167,500	0.8080	0.000	0.00	2008
	Mimas	415 x 394 x 381	1150	185,539	0.9420	0.020	1.57	1789
	Methone	3		194,440	1.0096	0.000	0.01	2004
	Anthe	2		197,700	1.0369	0.001	0.10	2007
	Pallene	5		212,280	1.1537	0.004	0.18	2004
	Enceladus	513 x 503 x 497	1608	238,037	1.3700	0.005	0.01	1789
	Tethys	1081 x 1062 x 1055	973	294,672	1.8880	0.000	1.09	1684
	Calypso	30 x 16 x 16		294,710	1.8880	0.001	1.50	1980
	Telesto	30 x 25 x 15		294,710	1.8880	0.000	1.18	1980
	Polydeuces	3		377,200	2.7369	0.019	0.18	2004
	Dione	1128 x 1122 x 1121	1476	377,415	2.7370	0.002	0.03	1684
	Helene	35		377,420	2.7370	0.007	0.21	1980
	Rhea	1534 x 1525 x 1526	1233	527,068	4.5180	0.001	0.33	1672
	Titan	5150	1882	1,221,865	15.9500	0.029	0.31	1655
	Hyperion	328 x 260 x 214	544	1,500,934	21.2800	0.023	0.62	1848
	Iapetus	1495 x 1495 x 1425	1083	3,560,851	79.3300	0.029	8.31	1671
	Kiviuq	16		11,311,100	449.1	0.164	48.53	2000
	Ijiraq	12		11,367,400	451.5	0.458	47.12	2000
	Phoebe	217 x 215 x 203	1638	12,947,913	550.3	0.163	175.24	1898
	Paaliaq	22		15,024,000	687.5	0.540	41.77	2000
	Skathi	8		15,614,300	728.1	0.294	150.80	2000
	Albiorix	32		16,401,100	783.5	0.484	35.51	2000
	S/2007 S 2	6		16,723,300	808.2	0.178	175.64	2007
	Bebhionn	6		17,117,800	834.9	0.484	34.56	2004
	Erriapus	10		17,611,400	870.8	0.468	38.65	2000
	Skoll	6		17,663,300	878.4	0.470	160.18	2006
	Tarqeq	7		17,909,900	887.3	0.119	49.57	2007
	Siarnaq	40		18,015,400	896.4	0.405	44.51	2000
	Tarvos	15		18,263,200	925.9	0.531	35.95	2000
	S/2004 S13	6		18,408,700	933.6	0.260	169.08	2004
	Hyrokkin	8		18,437,300	931.8	0.329	151.25	2004
	Greip	6		18,442,200	935.6	0.316	173.34	2006
	Mundilfari	7		18,667,900	952.8	0.205	169.21	2000
	S/2006 S 1	6		18,797,400	963.4	0.118	154.99	2006
	S/2007 S 3	4		18,981,900	977.8	0.185	175.70	2007
	Bergelmir	6		19,338,300	1,005.8	0.142	158.92	2004
	Jarnsaxa	6		19,356,400	1,007.0	0.217	163.32	2006
	Narvi	7		19,417,300	1,003.7	0.426	143.24	2003
	S/2004 S17	4		19,449,900	1,014.6	0.181	167.97	2004
	Suttungr	7		19,476,700	1,016.7	0.114	173.89	2000
	Hati	6		19,775,000	1,039.0	0.373	164.96	2004
	S/2004 S12	5		19,867,500	1,046.1	0.323	163.31	2004
	Bestla	7		20,278,000	1,087.4	0.474	141.74	2004
	Farbauti	5		20,387,000	1,087.0	0.245	158.05	2004
	Thrymr	7		20,439,600	1,094.1	0.466	173.66	2000
	Aegir	6		20,749,800	1,117.8	0.252	167.11	2004
	S/2004 S 7	6		21,005,800	1,140.0	0.530	164.86	2004
	Kari	7		22,077,100	1,230.8	0.484	155.90	2006
	S/2006 S 3	5		22,100,100	1,227.1	0.404	158.90	2006
	Fenrir	4		22,454,800	1,260.4	0.133	164.44	2004
	Surtur	6		22,920,400	1,296.5	0.447	169.14	2006
	Loge	6		23,065,500	1,311.4	0.188	167.16	2006
	Ymir	18		23,140,400	1,315.6	0.334	171.66	2000
	Fornjot	6		25,151,200	1,494.2	0.210	169.70	2004
Uranus	Cordelia	40		49,800	0.3350	0.000	0.09	1986
	Ophelia	43		53,800	0.3760	0.010	0.10	1986
	Bianca	51		59,166	0.4346	0.000	0.18	1986
	Cressida	80		61,767	0.4636	0.000	0.04	1986
	Desdemona	64		62,659	0.4736	0.000	0.10	1986
	Juliet	94		64,358	0.4931	0.000	0.05	1986
	Portia	135		66,097	0.5132	0.001	0.03	1986
	Rosalind	72		69,926	0.5585	0.001	0.09	1986
	Cupid	10		74,392	0.6128	0.001	0.10	2003
	Belinda	81		75,256	0.6235	0.000	0.03	1986
	Perdita	20		76,417	0.6380	0.003	0.07	1986
	Puck	162		86,004	0.7618	0.000	0.32	1985
	Mab	10		97,736	0.9230	0.003	0.13	2003
	Miranda	481 x 468 x 466	1214	129,900	1.4130	0.001	4.34	1948
	Ariel	1162 x 1156 x 1156	1592	190,900	2.5200	0.001	0.04	1851
	Umbriel	1169	1459	266,000	4.1440	0.004	0.13	1851
	Titania	1578	1662	436,300	8.7060	0.001	0.08	1787
	Oberon	1523	1559	583,500	13.4600	0.001	0.07	1787
	Francisco	22		4,282,900	267.1	0.132	147.25	2001
	Caliban	72		7,231,100	579.7	0.181	141.53	1997
	Stephano	32		8,007,400	677.5	0.225	143.82	1999
	Trinculo	18		8,505,200	749.4	0.219	166.97	2001
	Sycorax	150		12,179,400	1,288.4	0.522	159.42	1997
	Margaret	20		14,146,700	1,661.0	0.677	57.37	2003
	Prospero	50		16,276,800	1,978.4	0.445	151.83	1999
	Setebos	48		17,420,400	2,225.1	0.591	158.24	1999
	Ferdinand	21		20,430,000	2,790.0	0.399	169.79	2001
Neptune	Naiad	66		48,227	0.2944	0.000	4.74	1989
	Thalassa	82		50,075	0.3115	0.000	0.21	1989
	Galatea	176		52,526	0.3347	0.000	0.07	1989
	Despina	150		61,953	0.4287	0.000	0.05	1989
	Larissa	208 x 178		73,548	0.5547	0.001	0.20	1989
	Proteus	436 x 416 x 402		117,647	1.1223	0.000	0.04	1989
	Triton	2707	2059	354,759	5.8770	0.000	156.87	1846
	Nereid	340		5,513,818	360.1	0.751	7.09	1949
	Halimede	62		16,611,000	1,879.1	0.265	112.71	2002
	Sao	44		22,228,000	2,912.7	0.137	53.48	2002
	Laomedeia	42		23,567,000	3,171.3	0.397	37.87	2002
	Psamathe	40		48,096,000	9,074.3	0.381	126.31	2003
	Neso	60		49,285,000	9,740.7	0.571	136.44	2002
Pluto	Charon	1212	1678	19,571	6.3872	0.000	0.00	1978
	Nix	88		48,675	24.8562	0.002	0.10	2005
	S/2011 (134340) 1	30		59,000	32.1	0.000	0.00	2011
	Hydra	72		64,780	38.2065	0.005	0.25	2005
Haumea	Namaka	160		25,660	18.2783	0.249	13.41	2005
	Hi'iaka	320		49,880	49.4620	0.051	0.00	2005
Eris	Dysnomia	420		37,430	15.7720	0.005	?	2005