Ceres orbits the sun at a speed of 12345km an hour.
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18.14 km/s
Eris orbital period is around 557 years.
The Revolution of Eris is about 8 hours per day. FYI, I mean "day" as in one complete revolution. As in "day" and "night" on Eris.
average orbital speed of 9.69km/s
Orbital velocity refers to the speed at which a planet travels in its orbit.
Many smaller objects cross Eris' orbit, so it does not dominate its orbital path. An object must clear its orbit of other objects to be considered a planet.
Eris orbital period is around 557 years.
It is the orbital velocity (speed and direction) or orbital speed (rate of motion). It is usually stated as "average orbital speed" but is actually "mean orbital speed."
The Revolution of Eris is about 8 hours per day. FYI, I mean "day" as in one complete revolution. As in "day" and "night" on Eris.
Orbital speed is the velocity (speed) of an object as it travels an orbital path around a reference point.
average orbital speed of 9.69km/s
Orbital velocity refers to the speed at which a planet travels in its orbit.
Orbital speed = (circumference of the orbit) / (period of revolution)
Orbital speed of a satellite: v - orbital speed G - gravitational consatnt R - radius of earth h - height of orbit
There are about 63 known moons of Jupiter but the Galilean moons are the 4 moons visible and Ganymede ,the largest found by Galileo Galilee in January 7 1610.The orbital speed of the Jovian moons vary where the Jupiter's magnetic field is very strong.Only a mean speed can be used for comparison.The four moons and their orbital speed compared to the orbital speed of Earth's moon are:Jovian Moons Orbital speed/ Orbital speed Ratio(km/s) (Earth's moon)1. Io orbital speed 2.75 km/sEarth's moon orbital speed 1.03 km/s Ratio 1: 2.672.Europa orbital speed 2.187 km/sEarth's moon orbital speed 1.03 km/s Ratio !: 2.123. Callisto orbital speed 1.732 km/sEarth's moon orbital speed 1.03 km/s Ratio 1: 1.684.Ganymede orbital speed 1.305 km/sEarth moon's orbital speed. 1.03 km/s Ratio 1: 1.27
Many smaller objects cross Eris' orbit, so it does not dominate its orbital path. An object must clear its orbit of other objects to be considered a planet.
The time it takes Eris to complete one solar orbit is 204,870 Earth days, which is about 8536.25 Earth years (more than 85 centuries)!
The orbital speed of a planet is a direct result of the gravitational force between that planet and the Sun. The greater the force, the faster the speed.