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Saturn VI

Proper NameTitan
DesignationSaturn VI
Primary PlanetSaturn
Family / ClassRegular moons
Orbital Period15 days, 23 hours
Distance from SaturnSemi-Major Axis: 1,221,900 km
Periapsis: 1,186,700 km
Apoapsis: 1,257,100 km
Rotation Period15 days, 23 hours (synchronous orbit)
Mean Diameter5,149 km
3,200 miles

An immense moon of Saturn, orbiting the ringed planet once in about sixteen days, between the paths of the smaller moons Rhea and Hyperion. Titan's diameter of more than five thousand kilometres makes it the largest of Saturn's satellites by far, though it is not quite the largest moon in the entire Solar System. That title goes to Jupiter's moon Ganymede, though Ganymede's diameter is only about a hundred kilometres greater than Titan's.

Unusually for a moon, Titan has a thick atmosphere, characterised by a thick layer of orange haze. Since its discovery by Christian Huygens in 1655, what lay beneath this hazy atmosphere had remained in the realm of theory, until a probe bearing its discover's name landed on the surface exactly 350 years later. The Huygens lander revealed a frozen landscape sculpted by liquid methane.


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