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Tethys, Moon of Saturn

Tethys is a Moon that orbits round the planet Saturn. Its orbit circumference, the total distance it travels round its planetary parent is 1,851,478.78 km. The furthest it gets from its orbital parent (apoasis) is 294,701 km. Its mass is estimated/calculated at being 617,551,805,221,061,000,000 kg. Its density has been calculated at being 0.973 g/cm3. Its volume is 634,264,255 km3.

It was discovered in the year 1684 by G.D. Cassini.

The orbital period, i.e. the period it takes to complete an orbit round Saturn is 1.888 days. The figure is also known as the sidereel period. The figure comes from N.A.S.A..

The Semi-Major Axis of the orbit is 294,672 km, which is the furthest point from the centre to the edge of an elliptical point.

The equatorial circumference of Tethys is 3,348.9 km. The mean radius, that is the average radius of Tethys is 533.0 km. The surface area of Tethys is 3,569,967.66 km2. The surface gravity of the said item is 0.145 m/s2. The average orbit velocity, that is the speed at which it orbits is 40,860.7 km/h.

The orbital inclination, the angle at which Tethys orbits in relation to the orbital plane is 1.091 degrees. The orbital eccentricity is 0.0001, it is the degree at which Tethys orbits close to a circular (0) orbit as opposed to an elliptical (1) orbit.

Image of the Saturn moon of Tethys

Image of the Saturn moon of Tethys

Tethys Facts

Orbital Circumference1,851,478.78 km
Furthest from parent (Apoasis)294,701 km
Mass617,551,805,221,061,000,000 kg
Density0.973 g/cm3
Volume634,264,255 km3
Year of Discovery1684
DiscovererG.D. Cassini
Orbital Period1.888
Semi-Major Axis294,672 km
Equatorial Circumference3,348.9 km
Mean Radius533.0 km
Surface Area3,569,967.66 km2
Surface Gravity0.145 m/s2
Average Orbit Velocity40,860.7 km/h
Orbital Inclination1.091
Orbital Eccentricity0.0001

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