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Euporie, Moon of Jupiter

Euporie is a Moon that orbits round the planet Jupiter. Its orbit circumference, the total distance it travels round its planetary parent is 120,878,139.62 km. The furthest it gets from its orbital parent (apoasis) is 22,123,816 km. Its mass is estimated/calculated at being 14,986,684,330,972 kg. Its density has been calculated at being 2.6 g/cm3. Its volume is 4 km3.

Euporie was discovered on 11 December 2001 by Scott S. Sheppard, David C. Jewitt and Jan T. Kleyna.

The orbital period, i.e. the period it takes to complete an orbit round Jupiter is 550.69 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 19,339,000 km, which is the furthest point from the centre to the edge of an elliptical point.

The equatorial circumference of Euporie is 6.3 km. The mean radius, that is the average radius of Euporie is 1.0 (assuming an albedo of 0.04) km. The surface area of Euporie is 12.57 km2. The surface gravity of the said item is 0.001 m/s2. The average orbit velocity, that is the speed at which it orbits is 9,146.0 km/h.

The orbital inclination, the angle at which Euporie orbits in relation to the orbital plane is 145.499 degrees. The orbital eccentricity is 0.144, it is the degree at which Euporie orbits close to a circular (0) orbit as opposed to an elliptical (1) orbit.

Ananke Moon Group

Ananke group of Jovian moons are all believed to have the same source, probably the result of a asteroid collision. The remnants were caught by the immense gravitational pull of Jupiter and remain in orbit ever since. The name derives it name from the largest in the group. All the members of the group orbit in a retrograde orbit hence why they all finish with the letter 'e' in their name.

List of Members in Ananke Group

Euporie Facts


TypeMoon
Orbital Circumference120,878,139.62 km
Furthest from parent (Apoasis)22,123,816 km
Mass14,986,684,330,972 kg
Density2.6 g/cm3
Volume4 km3
Orbital DirectionRetrograde, opposite to the parents direction
Date of Discovery11 December 2001
DiscovererScott S. Sheppard, David C. Jewitt and Jan T. Kleyna
Orbital Period550.69
Semi-Major Axis19,339,000 km
Equatorial Circumference6.3 km
Mean Radius1.0 (assuming an albedo of 0.04) km
Surface Area12.57 km2
Surface Gravity0.001 m/s2
Average Orbit Velocity9,146.0 km/h
Orbital Inclination145.499
Orbital Eccentricity0.144


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