# Rhea, Moon of Saturn

Rhea is a Moon that orbits round the planet Saturn. Its mass is estimated/calculated at being 2,307,089,151,289,080,000,000 kg. Its density has been calculated at being 1.233. Its volume is 1870166133.

It was discovered in the year 1672 by G.D. Cassini.

The orbital period, i.e. the period it takes to complete an orbit round Saturn is 4.5175 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 764km. The value is the radius in km of the said object at the Equator.

The Escape Velocity of the object is 2,285 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 527.04, which is the furthest point from the centre to the edge of an elliptical point.

The equatorial circumference of Rhea is 4802.2 km. The surface area of Rhea is 7,340,701.82. The surface gravity of the said item is 0.264. The Mean orbit velocity, that is the speed at which it orbits is 30541.40 km/h. The is the average distance in km of the object is from its parent 527068.00.

The orbital inclination, the angle at which Rhea orbits in relation to the orbital plane is 0.35 degrees. The orbital eccentricity is 0.001, it is the degree at which Rhea orbits close to a circular (0) orbit as opposed to an elliptical (1) orbit.

## Rhea Facts

 Type Moon Mass (kg) 2,307,089,151,289,080,000,000 Density (g/cm^3) 1.233 Volume (km^3) 1870166133 Orbital Direction Prograde, same as the parents direction Year of Discovery 1672 Discoverer G.D. Cassini Orbital Period (days) 4.5175 Equatorial Radius (km) 764 Escape Velocity (km/h) 2,285 Semi-Major Axis (10^3 km) 527.04 Equatorial Circumference (km) 4802.2 Surface Area (km^2) 7,340,701.82 Surface Gravity (m/s^2) 0.264 Mean Orbit Velocity (km/h) 30541.40 Average Orbit Distance (km) 527068.00 Orbital Inclination (degrees) 0.35 Orbital Eccentricity 0.001 Source(s) https://solarsystem.nasa.gov/moons/saturn-moons/rhea/in-depth/https://nssdc.gsfc.nasa.gov/planetary/factsheet/saturniansatfact.html

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