Planetary Satellites

							Orbital Eccentricity	Orbital Inclination °	Radius (km)	Mass B Mass of Planet	Mean Density (g/cm^3)	Discoverer	Visible Magnitude at Mean Opposition Distance
Satellite			Semimajor Axis of Orbit (km)	Sidereal Rev Period (d h m)
Satellites of the Earth
The Moon			384,400	27	07	43	0.055	18-29	1738	0.01230002	3.34	¾	-12.7
Satellites of Mars
1		Phobos	9,378	0	07	39	0.015	1.0	13x11x9	1.5x10^-8	1.95	Hall (1877)	11.8
2		Deimos	23,459	1	06	18	0.0005	0.9-2.7	8x6x5	3x10^-9	2	Hall (1877)	12.9
Satellites of Jupiter
XVI		Metis	128,000	0	07	04			20	0.5x10^-10		Synnott/Voyager 2 (1980)	17.5
XV		Adrastea	129,000	0	07	06			13x10x8	0.1x10^-10		Jewett/Danielson (1979)	19.1
V		Amalthea	181,000	0	11	57	0.003	0.4	131x73x67	38x10^-10		Barnard (1892)	14.1
XIV		Thebe	222,000	0	16	11	0.015	0.8	55x45	4x10^-10		Synnott/Voyager 2 (1980)	15.6
I		Io	422,000	1	18	28	0.004	0.0	1830x1819x1813	4.68x10^-5	3.5	Galileo (1610)	5.0
II		Europa	671,000	3	13	14	0.009	0.5	1565	2.52x10^-5	3.0	Galileo (1610)	5.3
III		Ganymede	1,070,000	7	03	43	0.002	0.2	2634	7.80x10^-5	1.9	Galileo (1610)	4.6
IV		Callisto	1,883,000	16	16	32	0.007	0.5	2403	5.66x10^-5	1.8	Galileo (1610)	5.7
XIII		Leda	11,094,000	240			0.148	26.1	5	0.03x10^-10		Kowal (1974)	20
VI		Himalia	11,480,000	251			0.158	27.6	85	50x10^-10		Perrine (1904)	14.8
X		Lysithea	11,720,000	260			0.107	29.0	12	0.4x10^-10		Nicholson (1938)	18.4
VII		Elara	11,737,000	260			0.207	24.8	40	4x10^-10		Perrine (1905)	16.8
XII		Ananke	21,200,000	671R			0.169	147	10	0.2x10^-10		Nicholson (1951)	18.9
XI		Carme	22,600,000	692R			0.207	164	15	0.5x10^-10		Nicholson (1938)	18.0
VIII		Pasiphae	23,500,000	735R			0.378	145	18	1x10^-10		Melotte (1908)	17.0
IX		Sinope	23,700,000	758R			0.275	153	14	0.4x10^-10		Nicholson (1914)	18.3
—												Kowal (1975)	20
Satellites of Saturn
18	Pan		133,583		13	48			10	8x10^-12		Showalter/Voyager 2 (1990)
15	Atlas		137,670		14	27	0.000	0.3	20x10			Terrile/Voyager 1	18
16	Prometheus		139,353		14	43	0.003	0.0	70x50x40			Collins/Voyager 1	16
17	Pandora		141,700		15	05	0.004	0.0	55x45x35			Collins/Voyager 1	16
11	Epimetheus		151,422		16	40	0.009	0.3	70x60x50			Fountain, Larson/ Reitsema /Smith	15
10	Janus		151,472		16	40	0.007	0.1	110x100x80			Dollfus (1966/80)	14
1	Mimas		185,520		22	37	0.0202	1.5	209x196x191	8x10^-8	1.2	W. Herschel (1789)	12.9
2	Enceladus		238,020	1^h	08^m	32^s	0.00452	0.0	256x247x245	1.3x10^-7	1.1	W. Herschel (1789)	11.7
3	Tethys		294,660	1^h	22^m	15^s	0.00000	1.9	528x526	1.3x10^-6	1.0	Cassini (1684)	10.2
13	Telesto		294,660	1^h	22^m	15^s			15x13x8			Smith, Reitsema, Larson, Fountain (1980)	19
14	Calypso		294,660	1^h	22^m	15^s			15x8x8			Pascu, Seidelmann, Baum, Currie (1980)	19
4	Dione		377,400	2^h	17^m	36^s	0.002230	0.02	560	1.96x10^-6	1.4	Cassini (1684)	10.4
12	Helene		377,400	2^h	17^m	45^s	0.005	0.0	18x16x15			Laques and Lecacheux (1980)	18
5	Rhea		527,040	4^h	12^m	16^s	0.00100	0.