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Metis, Moon of Jupiter

Metis is a Moon that orbits round the planet Jupiter. It is also know by other designations, JXVI, S/1979 J3. Its mass is estimated/calculated at being 119,893,474,647,775,000 kg. Its density has been calculated at being 3. Its volume is 41630.

It was discovered in the year 1980 by Stephen Synnott, Voyager 2.

The orbital period, i.e. the period it takes to complete an orbit round Jupiter is 0.29478 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 22km. The value is the radius in km of the said object at the Equator.

The Escape Velocity of the object is 98 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 128, which is the furthest point from the centre to the edge of an elliptical point.

The equatorial circumference of Metis is 135.1 km. The surface area of Metis is 5,808.80. The surface gravity of the said item is 0.017. The Mean orbit velocity, that is the speed at which it orbits is 113594.30 km/h. The is the average distance in km of the object is from its parent 128000.00.

The orbital inclination, the angle at which Metis orbits in relation to the orbital plane is 0.06 degrees. The orbital eccentricity is 0.0012, it is the degree at which Metis orbits close to a circular (0) orbit as opposed to an elliptical (1) orbit.

Inner Jupiter Moon Moon Group

The Jupiter Inner Moon Group are a small group of four moons that orbit close to the planet. The biggest of the group is Amalthea which the group is usually named after. The closest is Metis.

List of Members in Inner Jupiter Moon Group

Metis Facts

DesignationsJXVI, S/1979 J3
Mass (kg)119,893,474,647,775,000
Density (g/cm^3)3
Volume (km^3)41630
Orbital DirectionPrograde, same as the parents direction
Year of Discovery1980
DiscovererStephen Synnott, Voyager 2
Orbital Period (days)0.29478
Equatorial Radius (km)22
Escape Velocity (km/h)98
Semi-Major Axis (10^3 km)128
Equatorial Circumference (km)135.1
Surface Area (km^2)5,808.80
Surface Gravity (m/s^2)0.017
Mean Orbit Velocity (km/h)113594.30
Average Orbit Distance (km)128000.00
Orbital Inclination (degrees)0.06
Orbital Eccentricity0.0012

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