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Iapetus, Moon of Saturn

Iapetus is a Moon that orbits round the planet Saturn. Its orbit circumference, the total distance it travels round its planetary parent is 22,368,684.06 km. The furthest it gets from its orbital parent (apoasis) is 3,665,184 km. Its mass is estimated/calculated at being 1,805,952,411,282,580,000,000 kg. Its density has been calculated at being 1.083 g/cm3. Its volume is 1,667,300,080 km3.

It was discovered in the year 1671 by G.D. Cassini.

The orbital period, i.e. the period it takes to complete an orbit round Saturn is 79.33 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 3,560,851 km, which is the furthest point from the centre to the edge of an elliptical point.

The equatorial circumference of Iapetus is 4,621.9 km. The mean radius, that is the average radius of Iapetus is 735.6 km. The surface area of Iapetus is 6,799,755.63 km2. The surface gravity of the said item is 0.223 m/s2. The average orbit velocity, that is the speed at which it orbits is 11,748.8 km/h.

The orbital inclination, the angle at which Iapetus orbits in relation to the orbital plane is 8.313 degrees. The orbital eccentricity is 0.0293, it is the degree at which Iapetus orbits close to a circular (0) orbit as opposed to an elliptical (1) orbit.

Image of the Saturn moon of Iapetus

Image of the Saturn moon of Iapetus

Iapetus Facts

Orbital Circumference22,368,684.06 km
Furthest from parent (Apoasis)3,665,184 km
Mass1,805,952,411,282,580,000,000 kg
Density1.083 g/cm3
Volume1,667,300,080 km3
Year of Discovery1671
DiscovererG.D. Cassini
Orbital Period79.33
Semi-Major Axis3,560,851 km
Equatorial Circumference4,621.9 km
Mean Radius735.6 km
Surface Area6,799,755.63 km2
Surface Gravity0.223 m/s2
Average Orbit Velocity11,748.8 km/h
Orbital Inclination8.313
Orbital Eccentricity0.0293

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