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Metis, Moon of Jupiter

Metis is a Moon that orbits round the planet Jupiter. Its orbit circumference, the total distance it travels round its planetary parent is 804,247.43 km. The furthest it gets from its orbital parent (apoasis) is 128,154 km. Its mass is estimated/calculated at being 119,893,474,647,775,000 kg. Its density has been calculated at being 3 g/cm3. Its volume is 41,630 km3.

It was discovered in the year 1980 by Stephen Synnott.

The orbital period, i.e. the period it takes to complete an orbit round Jupiter is 0.295 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 128,000 km, 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 mean radius, that is the average radius of Metis is 21.5 km. The surface area of Metis is 5,808.80 km2. The surface gravity of the said item is 0.017 m/s2. The average orbit velocity, that is the speed at which it orbits is 113,594.3 km/h.

The orbital inclination, the angle at which Metis orbits in relation to the orbital plane is 0.019 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

Orbital Circumference804,247.43 km
Furthest from parent (Apoasis)128,154 km
Mass119,893,474,647,775,000 kg
Density3 g/cm3
Volume41,630 km3
Year of Discovery1980
DiscovererStephen Synnott
Orbital Period0.295
Semi-Major Axis128,000 km
Equatorial Circumference135.1 km
Mean Radius21.5 km
Surface Area5,808.80 km2
Surface Gravity0.017 m/s2
Average Orbit Velocity113,594.3 km/h
Orbital Inclination0.019
Orbital Eccentricity0.0012

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