Venus
no known moons

Mars
Mars natural satellites-Phobos
orbit from Mars-9,378 km or about 5,827 miles
diameter-22.2 km or about 13.8 miles
mass-1.08e16 kg or about 2.38e16 pounds
quick facts-orbit is slowly decreasing and in 50 million years it will slam into mars
- believed to be a captured asteroid

Mars natural satellites-Deimos
orbit from Mars- 23,459 km or about 14,576.7 miles
diameter-12.6 km or about 7.8 miles
mass-1.8e15 kg or about 3.97e15 pounds
quick facts-composed of carbon rich rock

Jupiter
Jupiter's satellites-New Moons
quick facts-Many small irregular jovian satellites have been seen.
-No real facts are known about these moons.
-Figured to be captured asteroids.
-Eleven have been discovered so far.

Jupiter's satellite-Sinope
orbit from Jupiter-23,700,000 km or about 14,726,497 miles
diameter-36 km or about 22.4 miles
mass-7.77e16 kg or about 1.71e17 pounds
quick facts-Sinope might be remnants of a single asteroid that broke up.

Jupiter's satellite-Pasiphae
orbit from Jupiter-23,500,000 km or about 14,602,223 miles
diameter-50 km or about 31.1 miles
mass-1.91e17 kg or about 4.2e17 pounds
quick facts-orbit is about 150 degrees inclined to Jupiter's equator.

Jupiter's satellite-Carme
orbit from Jupiter-22,600,000 km or about 14,042,989 miles
diameter-40 km or about 24.9 miles
mass-9.56e16 kg or about 2.1e17 pounds
quick facts-Carme is unusual in that its orbit is retrograde.

Jupiter's satellite-Ananke
orbit from Jupiter-21,200,000 km or about 13,173,069 miles
diameter-30 km or about 18.6 miles
mass-3.82e16 kg or about 8.4e16 pounds
quick facts-Has an unusual orbit.

Jupiter's satellite-Elara
orbit from Jupiter-11,737,000 km or about 7,293,033 miles
diameter-76 km or about 47.2 miles
mass-7.77e17 kg or about 1.71e18 pounds
quick facts-Formed by the breaking of a captured asteroid.

Jupiter's satellite-Lysithea
orbit from Jupiter-11,720,000 km or about 7,282,470 miles
diameter-36 km or about 22.4 miles
mass-7.77e16 kg or about 1.71e17 pounds
quick facts-Discovered by Seth Barnes Nicholson in 1938.

Jupiter's satellite-Himalia
orbit from Jupiter-11,480,000 km or about 7,133,341 miles
diameter-186 km or about 115.6 miles
mass-9.56e18 kg or about 2.1e19
quick facts-About 28 degrees inclined to Jupiter's equator.

Jupiter's satellite-Leda
orbit from Jupiter-11,094,000 km or about 6,893,492 miles
diameter-16 km or about 9.9 miles
mass-5.68e15 kg or about 1.25e16 pounds
quick facts-One of the smallest moons in the solar system

Jupiter's satellite-Callisto
orbit from Jupiter-1,883,000 km or about 1,170,042 miles
diameter-4,800 km or about 2,982.6 miles
mass-1.08e23 kg or about 2.38e23 pounds
quick facts-Composed of 40% ice and 60% rock/iron.
-Atmosphere composed of carbon dioxide.

Jupiter's satellite-Ganymede
orbit from Jupiter-1,070,000 km or about 664,867 miles
diameter-5,262 km or about 3,270 miles
mass-1.48e23 kg or about 3.26e23 pounds
quick facts-Largest satellite in solar system.
-Larger in diameter then Mercury.
-Tenuous oxygen atmosphere.

Jupiter's satellite-Europa
orbit from Jupiter-670,900 km or about 416,878 miles
diameter-3,138 km or about 1,950 miles
mass-4.80e22 kg or about 1.05e23 pounds
quick facts-Covered with a thin outer layer of ice.

Jupiter's satellite-Io
orbit from Jupiter-422,000 km or about 262,219 miles
diameter-3,630 km or about 2,256 miles
mass-8.93e22 kg or about 1.97e23 pounds
quick facts-Active volcanoes cover the surface.
-Large lakes and rivers of molten lava have been discovered.

Jupiter's satellite-Thebe
orbit from Jupiter-222,000 km or about 137,944 miles
diameter-100 km or about 62.1 miles
mass-7.77e17 kg or about 1.71e18 pounds
quick facts-Discovered by Voyager 1 in 1979.

Jupiter's satellite-Amalthea
orbit from Jupiter-181,300 km or about 112,655 miles
diameter-189 km or about 117.4 miles
mass-3.5e18 kg or about 7.72e18 pounds
quick facts-Fifth largest moon.

Jupiter's satellite-Adrastea
orbit from Jupiter-129,000 km or about 80,157 miles
diameter-20 km or about 12.4 miles
mass-1.91e16 kg or about 4.21e16 pounds
quick facts-orbit is slowly decaying.
-One of the smallest moons in the solar system.

Jupiter's satellite-Metis
orbit from Jupiter-128,000 km or about 79,536 miles
diameter-40 km or about 24.9 miles
mass-9.56e16 kg or about 2.11e17 pounds
quick facts-Little is known about this satellite.
-May be the source for Jupiter's rings.

Saturn
Saturn's satellite-Pan
orbit form Saturn-133,583 km or about 83,004.6 miles
diameter-20 km or about 12.4 miles
mass-Unknown
quick facts-The innermost satellite of Saturn's satellites
-Because of it position, inside the ring, its gravity creates waves in the rings.

Saturn's satellite-Atlas
orbit form Saturn-137,670 km or about 85,544.2 miles
diameter-30 km or about 18.6 miles
mass-Unknown
quick facts-Has affects on Saturns rings

Saturn's satellite-Prometheus
orbit form Saturn-139,350 km or about 86,588.1 miles
diameter-91 km or about 56.5 miles
mass-2.7e17 kg or about 5.95e17 pounds
quick facts-Surface is cover with ridges and valleys.
-Several craters
-Believed to have changed orbit recently.

Saturn's satellite-Pandora
orbit form Saturn-141,700 km or about 88,048.3 miles
diameter-84 km or about 52.2 miles
mass-2.2e17 kg or about 4.9e17 pounds
quick facts-Is heavily cratered.

Saturn's satellite-Epimetheus
orbit form Saturn-151,422 km or about 94,089.3 miles
diameter-115 km or about 71.5 miles
mass-5.6e17 kg or about 1.2e18 pounds
quick facts-orbit is extremely close to Janus.

Saturn's satellite-Janus
orbit form Saturn-151,472 km or about 94,120.3 miles
diameter-178 km or about 110.6 miles
mass-2.01e18 kg or about 4.4e18 pounds
quick facts-Exchanges orbits with Epimetheus when they pass.

Saturn's satellite-Mimas
orbit form Saturn-185,520 km or about 115,276.8 miles
diameter-392 km or about 243.6 miles
mass-3.80e19 kg or about 8.4e19 pounds
quick facts-Mostly composed of water ice with a very low percentage of rock.

Saturn's satellite-Enceladus
orbit form Saturn-238,020 km or about 147,898.8 miles
diameter-498 km or about 309.4 miles
mass-7.30e19 kg or about 1.6e20 pounds
quick facts-Its surface is mostly smooth plains with linear cracks.
-Activity, such as water volcanoes, have been monitored.

Saturn's satellite-Tethys
orbit form Saturn-294,660 km or about 183,093.2 miles
diameter-1,060 km or about 658.7 miles
mass-6.22e20 kg or about 1.4e21 pounds
quick facts-Huge impact crater on the western hemisphere.
-Huge valley that shows it once was active.

Saturn's satellite-Telesto
orbit form Saturn-294,660 km or about 183,093.2 miles
diameter-29 km or about 18 miles
mass-Unknown
quick facts-Not much is known about this satellite.

Saturn's satellite-Calypso
orbit form Saturn-294,660 km or about 183,093.2 miles
diameter-26 km or about 16.2 miles
mass-unkown
quick facts-One of the smallest moons in the solor system.

Saturn's satellite-Dione
orbit form Saturn-377,400 km or about 234,505.5 miles
diameter-1,120 km or about 695.9 miles
mass-1.05e21 kg or about 2.3e21 pounds
quick facts-Composed of mostly water ice and silicate rock.

Saturn's satellite-Helene
orbit form Saturn-377,400 km or about 234,505.5 miles
diameter-33 km or about 20.5 miles
mass-Unknown
quick facts-Is considered to be a twin to Dione.

Saturn's satellite-Rhea
orbit form Saturn-527,040 km or about 327,487.5 miles
diameter-1,530 km or about 950.7 miles
mass-2.49e21 kg or about 5.5e21 pounds
quick facts-Mostly Composed of water ice.

Saturn's satellite-Titan
orbit form Saturn-1,221,830 km or about 759,210 miles
diameter-5,150 km or about 3,200.1 miles
mass-1.35e23 kg or about 2.98e23 pounds
quick facts-Has extremly thick atmoshere.
-Believed to be still active.
-Surface is covered with water ice and some rocky materials
-Clouds are believed to produce a liquid (ethane substance).

Saturn's satellite-Hyperion
orbit form Saturn-1,481,100 km or about 920,312.9 miles
diameter-286 km or about 177.7 miles
mass-1.77e19 kg or about 3.9e19 pounds
quick facts-composed of water ice with a very low density.

Saturn's satellite-Iapetus
orbit form Saturn-3,561,300 km or about 2,212,889.2 miles
diameter-1,460 km or about 907.2 miles
mass-1.88e21 kg or about 4.1e21 pounds
quick facts-Activity is suspected in the satellites core.
-Material on the surface indicates particals from other space bodies.

Saturn's satellite-Pheobe
orbit form Saturn-12,952,000 km or about 8,047,999.7 miles
diameter-220 km or about 136.7 miles
mass-4.0e18 kg or about 8.8e18 pounds
quick facts-May be a captured astroid.

Uranus
Uranus' Satellite - Cordelia
orbit from planet - 49,752 km or about 30,914.5 miles
diameter - 26 km or about 16.2 miles
mass - Unknown
quick facts - Discovered by Voyager 2 in 1986

Uranus' Satellite - Ophelia
orbit from planet - 53,764 km or about 33,407.4 miles
diameter - 32 km or about 19.9 miles
mass - Unknown
quick facts - Discovered by Voyager 2 in 1986

Uranus' Satellite - Bianca
orbit from planet - 59,165 km or about 36763.4 miles
diameter - 44 km or about 27.3 miles
mass - Unknown
quick facts - Discovered by Voyager 2 in 1986

Uranus' Satellite - Cressida
orbit from planet - 61,767 km or about 38,380.2 miles
diameter - 66 km or about 41.0 miles
mass - Unknown
quick facts - Discovered by Voyager 2 in 1986

Uranus' Satellite - Desdemona
orbit from planet - 62,659 km or about 38,934.5 miles
diameter - 58 km or about 36.0 miles
mass - Unknown
quick facts - Discovered by Voyager 2 in 1986

Uranus' Satellite - Juliet
orbit from planet - 64,358 km or about 39,990.2 miles
diameter - 84 km or about 52.2 miles
mass - Unknown
quick facts - Discovered by Voyager 2 in 1986

Uranus' Satellite - Portia
orbit from planet - 66,097 km or about 41,070.8 miles
diameter - 110 km or about 68.4 miles
mass - Unknown
quick facts - Discovered by Voyager 2 in 1986

Uranus' Satellite - Rosalind
orbit from planet - 69,927 km or about 43,450.6 miles
diameter - 54 km or about 33.6 miles
mass - Unknown
quick facts - Discovered by Voyager 2 in 1986

Uranus' Satellite - Belinda
orbit from planet - 75,255 km or about 46,761.3 miles
diameter - 68 km or about 42.3 miles
mass - Unknown
quick facts - Discovered by Voyager 2 in 1986

Uranus' Satellite - Puck
orbit from planet - 86,006 km or about 53,441 miles
diameter - 154 km or about 95.7 miles
mass - Unknown
quick facts - The only moon discovered by Voyager 2 that was discovered soon enough that the observation schedule could be adjusted to get images.

Uranus' Satellite - Miranda
orbit from planet - 129,850 km or about 80,685.0 miles
diameter - 472 km or about 293.3 miles
mass - 6.3e19 kg or about 1.39e20 pounds
quick facts - Discovered by Kuiper in 1948. Half water ice and half rock material.

Uranus' Satellite - Ariel
orbit from planet - 190,930 km or about 118,638.4 miles
diameter - 1,158 km or about 719.5 miles
mass - 1.27e21 kg or about 2.8e21 pounds
quick facts - Surface is a mixture of cratered terrain and systems of valleys hundreds of km long.

Uranus' Satellite - Umbriel
orbit from planet - 265,980 km or about 165,272.3 miles
diameter - 1,170 km or about 727.0 miles
mass - 1.27e21 kg or about 2.80e21 pounds
quick facts - Heavily cratered surface.

Uranus' Satellite - Titania
orbit from planet - 436,270 km or about 271,085.6 miles
diameter - 1,578 km or about 980.5 miles
mass - 3.49e21 kg or about 7.69e21 pounds
quick facts - Surface is a mixture of cratered terrain and systems of interconnected valleys.

Uranus' Satellite - Oberon
orbit from planet - 583,420 km or about 362,520.4 miles
diameter - 1,523 km or about 946.3 miles
mass - 3.03e21 kg or about 6.68e21 pounds
quick facts - Heavily cratered surface. Discovered by Herschel in 1787.

Uranus' Satellite - Caliban
orbit from planet - 7,200,000 km or about 4,473,872.6 miles
diameter - 80 km or about 49.7 miles
mass - Unknown
quick facts - Discovered by Gladman, Nicholson, Burns, and Kavelaars.

Uranus' Satellite - Sycorax
orbit from planet - 12,200,000 km or about 7,580,728.5 miles
diameter - 160 km or about 99.4 miles
mass - Unknown
quick facts - Discovered by Nicholson, Gladman, Burns, and Kavelaars.

Uranus' Satellite - Prospero
orbit from planet - 16,568,000 km or about 10,294,877.9 miles
diameter - 30 km or about 18.6 miles
mass - Unknown
quick facts - Discovered by Kavelaars, Gladman, & Holman

Uranus' Satellite - Setebos
orbit from planet - 17,681,000 km or about 10,986,464.0 miles
diameter - 30 km or about 18.6 miles
mass - Unknown
quick facts - Discovered by Kavelaars in 1999.

Uranus' Satellite - Stephano
orbit from planet - 7,948,000 km or about 4,938,658.2 miles
diameter - 20 km or about 12.4 miles
mass - Unknown
quick facts - Discovered by Gladman in 1999.

Uranus' Satellite - Trinculo
orbit from planet - 8,571,000 km or about 5,325,772.5 miles
diameter - 20 km or about 12.4 miles
mass - Unknown
quick facts - Discovered by Gladman, Holman, and Kavelaars.

Neptune
Neptunes satellite-Naiad
orbit from Neptune-48,200 km or about 29,950 miles
diameter-58 km or about 36.0 miles
mass-Unknown
quick facts-Discovered by Voyager 2.

Neptune satellite-Thalassa
orbit from Neptune-50,000 km or about 31,069 miles
diameter-80 km or about 49.7 miles
mass-Unknown
quick facts-Discovered by Voyager 2.

Neptune satellite-Despina
orbit from Neptune-52,600 km or about 32,684 miles
diameter-148 km or about 92 miles
mass-Unknown
quick facts-Discovered by Voyager 2.

Neptune satellite-Galatea
orbit from Neptune-62,000 km or about 38,525 miles
diameter-158 km or about 98.2 miles
mass-Unknown
quick facts-Discovered by Voyager 2.

Neptune satellite-Larissa
orbit from Neptune-73,600 km or about 45,733 miles
diameter-193 km or about 119.9 miles
mass-Unknown
quick facts-Heavily cratered with a non-spherical shape.

Neptune satellite-Proteus
orbit from Neptune-117,600 km or about 73,073 miles
diameter-418 km or about 259.7 miles
mass-Unknown
quick facts-No geological activity on the surface.

Neptune satellite-Triton
orbit from Neptune-354,760 km or about 220,438 miles
diameter-2700 km or about 1677.7 miles
mass-2.14e22 kg or about 4.71e22 pounds
quick facts-orbits Neptune opposite of the rest of Neptune's satellites.
-orbit is slowly degrading.

Neptune's satellite-Nereid
orbit from Neptune-5,513,400 km or about 3,425,868 miles
diameter-340 km or about 211.3 miles
mass-Unkown
quick facts-Highest orbit from its planet than any other satellite in the solar system.