Satellite data

planet
satellite diameter (km) mass (kg) density (g/cm3) semi-major axis (km) semi-major axis (Rp) sidereal period (days) eccentricity inclination max elongation at opposition

Earth
Moon 3476 7.35 x10²² 3.34 384,402 60.3 27.32 0.054 5.13� -

Mars
Phobos 28 x 22 x 18 9.6 x10¹⁵ 2 9,354 2.75 0.3188 0.015 1.0� 25"

Deimos 16 x 12 x 10 2.0 x10¹⁵ 2 23,490 6.91 1.2625 0.001 0.9� 1'02"

Jupiter
Metis 40 ? ? 127,960 1.79 0.295 0 0� 42"

Adrastea 24 x 20 x 8 ? ? 128,980 1.81 0.298 0 0� 42"

Amalthea 270x170x150 ? ? 181,300 2.54 0.498 0.003 0.45� 59"

Thebe 110 x ? x 90 ? ? 221,900 3.11 0.675 0.013 0.90� 1'13"

Io 3630 8.916 x10²² 3.55 421,600 5.90 1.769 0.004 0.04� 2'18"

Europa 3138 4.873 x10²² 3.04 670,900 9.40 3.551 0.009 0.47� 3'40"

Ganymede 5262 1.490 x10²³ 1.93 1,070,000 14.99 7.155 0.002 0.21� 5'51"

Callisto 4800 1.064 x10²³ 1.79 1,880,000 26.33 16.689 0.007 0.51� 10'18"

Leda 10 ? ? 11,094,000 155 238.7 0.148 26.1� 1�00'39"

Himalia 180 ? ? 11,480,000 161 250.6 0.158 27.6� 1�02'46"

Lysithea 20 ? ? 11,720,000 164 259.2 0.107 29.0� 1�04'04"

Elara 80 ? ? 11,737,000 164 259.7 0.207 24.8� 1�04'10"

Ananke 20 ? ? 21,200,000 297 631 R 0.17 147� 1�55'52"

Carme 30 ? ? 22,600,000 317 692 R 0.21 164� 2�03'31"

Pasiphae 40 ? ? 23,500,000 329 735 R 0.38 145� 2�08'26"

Sinope 30 ? ? 23,700,000 332 758 R 0.28 153� 2�09'31"

planet
satellite diameter (km) mass (kg) density (g/cm3) semi-major axis (km) semi-major axis (Rp) sidereal period (days) eccentricity inclination max elongation at opposition

Saturn
Pan 10 ? ? 133,600 2.2 0.575 0 0� -

Atlas 38 x ? x 26 ? ? 137,700 2.276 0.602 0.002 0.3� 22"

Prometheus 140 x 100 x 74 ? ? 139,400 2.310 0.613 0.004 0� 23"

Pandora 110 x 82 x 66 ? ? 141,700 2.349 0.629 0.004 0.1� 23"

Epimetheus 140x114x100 ? ? 151,400 2.510 0.694 0.009 0.3� 24"

Janus 220x190x160 ? ? 151,500 2.511 0.695 0.007 0.1� 24"

Mimas 392 3.76 x10¹⁹ 1.2 186,000 3.08 0.942 0.020 1.52� 30"

Enceladus 500 7.40 x10¹⁹ 1.1 238,000 3.95 1.370 0.004 0.02� 38"

Tethys 1060 6.26 x10²⁰ 1.0 295,000 4.88 1.888 0.000 1.86� 48"

Telesto ? x 24 x 22 ? ? 295,000 4.88 1.888 ? ? 48"

Calypso 30 x 24 x 16 ? ? 295,000 4.88 1.888 ? ? 48"

Dione 1120 1.05 x10²¹ 1.4 377,000 6.26 2.737 0.002 0.02� 1'01"

Helene 36 x ? x 30 ? ? 377,000 6.26 2.737 0.005 0.20� 1'01"

Rhea 1530 2.28 x10²¹ 1.3 527,000 8.73 4.518 0.001 0.35� 1'25"

Titan 5150 1.359 x10²³ 1.9 1,222,000 20.3 15.945 0.029 0.33� 3'17"

Hyperion 350x234x200 1.10 x10²⁰ ? 1,481,000 24.6 21.277 0.104 0.43� 3'59"

Iapetus 1460 1.93 x10²¹ 1.2 3,561,000 59.0 79.331 0.028 14.7� 9'35"

Phoebe 220 ? ? 12,954,000 215 550.4 R 0.163 175� 34'51"

Uranus
Miranda 484 1.7 x10¹⁹ 1.26 129,783 4.96 1.4125 0.017 3.4� 10"

Ariel 1160 1.6 x10²¹ 1.65 191,239 7.31 2.521 0.003 0� 14"

Umbriel 1190 9.3 x10²⁰ 1.44 265,969 10.17 4.146 0.004 0� 20"

Titania 1610 2.7 x10²¹ 1.59 435,844 16.67 8.704 0.002 0� 33"

Oberon 1550 2.9 x10²¹ 1.50 582,596 22.28 13.46 0.001 0� 44"

Neptune
Triton 3500 5.7 x10²² 2.0 355,300 14.62 5.877 R 0.001 159.9� 17"

Nereid 150 - 525 1.3 x10¹⁵ 2.6 5,510,000 226.7 360.21 0.749 27.7� 4'21"

Pluto
Charon (1000) ? ? 19,700 13 6.3871 ? 94� -

planet
satellite diameter (km) mass (kg) density (g/cm3) semi-major axis (km) semi-major axis (Rp) sidereal period (days) eccentricity inclination max elongation at opposition

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planet satellite	diameter (km)	mass (kg)	density (g/cm3)	semi-major axis (km)	semi-major axis (Rp)	sidereal period (days)	eccentricity	inclination	max elongation at opposition
Earth Moon	3476	7.35 x10²²	3.34	384,402	60.3	27.32	0.054	5.13�	-
Mars Phobos	28 x 22 x 18	9.6 x10¹⁵	2	9,354	2.75	0.3188	0.015	1.0�	25"
Deimos	16 x 12 x 10	2.0 x10¹⁵	2	23,490	6.91	1.2625	0.001	0.9�	1'02"
Jupiter Metis	40	?	?	127,960	1.79	0.295	0	0�	42"
Adrastea	24 x 20 x 8	?	?	128,980	1.81	0.298	0	0�	42"
Amalthea	270x170x150	?	?	181,300	2.54	0.498	0.003	0.45�	59"
Thebe	110 x ? x 90	?	?	221,900	3.11	0.675	0.013	0.90�	1'13"
Io	3630	8.916 x10²²	3.55	421,600	5.90	1.769	0.004	0.04�	2'18"
Europa	3138	4.873 x10²²	3.04	670,900	9.40	3.551	0.009	0.47�	3'40"
Ganymede	5262	1.490 x10²³	1.93	1,070,000	14.99	7.155	0.002	0.21�	5'51"
Callisto	4800	1.064 x10²³	1.79	1,880,000	26.33	16.689	0.007	0.51�	10'18"
Leda	10	?	?	11,094,000	155	238.7	0.148	26.1�	1�00'39"
Himalia	180	?	?	11,480,000	161	250.6	0.158	27.6�	1�02'46"
Lysithea	20	?	?	11,720,000	164	259.2	0.107	29.0�	1�04'04"
Elara	80	?	?	11,737,000	164	259.7	0.207	24.8�	1�04'10"
Ananke	20	?	?	21,200,000	297	631 R	0.17	147�	1�55'52"
Carme	30	?	?	22,600,000	317	692 R	0.21	164�	2�03'31"
Pasiphae	40	?	?	23,500,000	329	735 R	0.38	145�	2�08'26"
Sinope	30	?	?	23,700,000	332	758 R	0.28	153�	2�09'31"
planet satellite	diameter (km)	mass (kg)	density (g/cm3)	semi-major axis (km)	semi-major axis (Rp)	sidereal period (days)	eccentricity	inclination	max elongation at opposition
Saturn Pan	10	?	?	133,600	2.2	0.575	0	0�	-
Atlas	38 x ? x 26	?	?	137,700	2.276	0.602	0.002	0.3�	22"
Prometheus	140 x 100 x 74	?	?	139,400	2.310	0.613	0.004	0�	23"
Pandora	110 x 82 x 66	?	?	141,700	2.349	0.629	0.004	0.1�	23"
Epimetheus	140x114x100	?	?	151,400	2.510	0.694	0.009	0.3�	24"
Janus	220x190x160	?	?	151,500	2.511	0.695	0.007	0.1�	24"
Mimas	392	3.76 x10¹⁹	1.2	186,000	3.08	0.942	0.020	1.52�	30"
Enceladus	500	7.40 x10¹⁹	1.1	238,000	3.95	1.370	0.004	0.02�	38"
Tethys	1060	6.26 x10²⁰	1.0	295,000	4.88	1.888	0.000	1.86�	48"
Telesto	? x 24 x 22	?	?	295,000	4.88	1.888	?	?	48"
Calypso	30 x 24 x 16	?	?	295,000	4.88	1.888	?	?	48"
Dione	1120	1.05 x10²¹	1.4	377,000	6.26	2.737	0.002	0.02�	1'01"
Helene	36 x ? x 30	?	?	377,000	6.26	2.737	0.005	0.20�	1'01"
Rhea	1530	2.28 x10²¹	1.3	527,000	8.73	4.518	0.001	0.35�	1'25"
Titan	5150	1.359 x10²³	1.9	1,222,000	20.3	15.945	0.029	0.33�	3'17"
Hyperion	350x234x200	1.10 x10²⁰	?	1,481,000	24.6	21.277	0.104	0.43�	3'59"
Iapetus	1460	1.93 x10²¹	1.2	3,561,000	59.0	79.331	0.028	14.7�	9'35"
Phoebe	220	?	?	12,954,000	215	550.4 R	0.163	175�	34'51"
Uranus Miranda	484	1.7 x10¹⁹	1.26	129,783	4.96	1.4125	0.017	3.4�	10"
Ariel	1160	1.6 x10²¹	1.65	191,239	7.31	2.521	0.003	0�	14"
Umbriel	1190	9.3 x10²⁰	1.44	265,969	10.17	4.146	0.004	0�	20"
Titania	1610	2.7 x10²¹	1.59	435,844	16.67	8.704	0.002	0�	33"
Oberon	1550	2.9 x10²¹	1.50	582,596	22.28	13.46	0.001	0�	44"
Neptune Triton	3500	5.7 x10²²	2.0	355,300	14.62	5.877 R	0.001	159.9�	17"
Nereid	150 - 525	1.3 x10¹⁵	2.6	5,510,000	226.7	360.21	0.749	27.7�	4'21"
Pluto Charon	(1000)	?	?	19,700	13	6.3871	?	94�	-
planet satellite	diameter (km)	mass (kg)	density (g/cm3)	semi-major axis (km)	semi-major axis (Rp)	sidereal period (days)	eccentricity	inclination	max elongation at opposition