Universe Guide

Titan, Moon of Saturn

Titan is a Moon that orbits round the planet Saturn. Its mass is estimated/calculated at being 134,552,523,083,241,000,000,000 kg. Its density has been calculated at being 1.882. Its volume is 71496320086.

The orbital period, i.e. the period it takes to complete an orbit round Saturn is 15.94542 days. The figure is also known as the sidereel period. The figure comes from N.A.S.A..

The Equatorial Radius of the object is 2575km. The value is the radius in km of the said object at the Equator.

The Escape Velocity of the object is 9,507 km/h. The Escape Velocity is the speed an object needs to be travelling in order to break free from the objects gravity. The larger an object is, the more velocity (speed) is needed to break free from the object.The Semi-Major Axis of the orbit is 1221.83, which is the furthest point from the centre to the edge of an elliptical point.

The atmospheric gases within the atmosphere of the object are N2, CH4. The temperature in at the surface is about 94 K.

The equatorial circumference of Titan is 16177.5 km. The surface area of Titan is 83,305,418.53. The surface gravity of the said item is 1.354. The Mean orbit velocity, that is the speed at which it orbits is 20051.20 km/h. The is the average distance in km of the object is from its parent 1221865.00.

The orbital inclination, the angle at which Titan orbits in relation to the orbital plane is 0.33 degrees. The orbital eccentricity is 0.0288, it is the degree at which Titan orbits close to a circular (0) orbit as opposed to an elliptical (1) orbit.

Despite its name, Titan is not the largest moon in but it is larger than our own moon. The largest moon in the Solar System is Ganymede which orbits Jupiter and is only 2% bigger than Titan. Titan is still bigger than Mercury so therefore if Titan was in orbit round the Sun, it could well be classed as a planet provided the other criteria are met.

Titan is tidally locked with the planet and therefore only presents one side of it as it completes an orbit in 15 days. The moon was discovered by Christiaan Huygens so it was apt that when E.S.A. sent a probe to the planet, the part that would land on the planet would be named afer the discoverer.

Titan Atmosphere

Titan is the only moon that has clouds and an atmosphere, although it is not one that could support humans. Titan is larger than our smallest planet, Mercury. As part of Cassini-Huygens mission, the Huygens probe was launched into the atmosphere to discover more about the moon. The picture below is a photo from the Huygens space probe that took a photo of the environment.

How Titan was named

Like so many other celestial moons, the moon is named after the generic term for the children of Ouranos (Uranus) and Gaia in Greek Mythology. The Titans were said to have devoured the limbs of Dionysus, a son of Zeus. In revenge, Zeus launched a lightning bolt at the Titans. From the ashes of the Titans arose humanity. NASA

Titan's atmosphere as taken by Huygens space probe.

Source: N.A.S.A.

Image of the Saturn moon of Titan

Image of the Saturn moon of Titan

Titan Facts

Mass (kg)134,552,523,083,241,000,000,000
Density (g/cm^3)1.882
Volume (km^3)71496320086
Orbital DirectionPrograde, same as the parents direction
Year of Discovery1655
Orbital Period (days)15.94542
Equatorial Radius (km)2575
Escape Velocity (km/h)9,507
Semi-Major Axis (10^3 km)1221.83
Atmosphere GassesN2, CH4
Surface Temperature94 K
Equatorial Circumference (km)16177.5
Surface Area (km^2)83,305,418.53
Surface Gravity (m/s^2)1.354
Mean Orbit Velocity (km/h)20051.20
Average Orbit Distance (km)1221865.00
Orbital Inclination (degrees)0.33
Orbital Eccentricity0.0288

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