Universe Guide

Dione, Moon of Saturn

Dione is a Moon that orbits round the planet Saturn. Its mass is estimated/calculated at being 1,095,745,430,185,280,000,000 kg. Its density has been calculated at being 1.476. Its volume is 742338322.

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 2.73692 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 562km. The value is the radius in km of the said object at the Equator.

The Escape Velocity of the object is 0.510228649 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 377.4, which is the furthest point from the centre to the edge of an elliptical point.

The equatorial circumference of Dione is 3529.3 km. The surface area of Dione is 3,964,776.51. The surface gravity of the said item is 0.232. The Mean orbit velocity, that is the speed at which it orbits is 36100.40 km/h. The is the average distance in km of the object is from its parent 377415.00.

The orbital inclination, the angle at which Dione orbits in relation to the orbital plane is 0.02 degrees. The orbital eccentricity is 0.0022, it is the degree at which Dione orbits close to a circular (0) orbit as opposed to an elliptical (1) orbit.

Image of the Saturn moon of Dione

Image of the Saturn moon of Dione

Dione Facts

Mass (kg)1,095,745,430,185,280,000,000
Density (g/cm^3)1.476
Volume (km^3)742338322
Orbital DirectionPrograde, same as the parents direction
Year of Discovery1684
DiscovererG.D. Cassini
Orbital Period (days)2.73692
Equatorial Radius (km)562
Escape Velocity (km/h)0.510228649
Semi-Major Axis (10^3 km)377.4
Equatorial Circumference (km)3529.3
Surface Area (km^2)3,964,776.51
Surface Gravity (m/s^2)0.232
Mean Orbit Velocity (km/h)36100.40
Average Orbit Distance (km)377415.00
Orbital Inclination (degrees)0.02
Orbital Eccentricity0.0022

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