18th November 2019

britannica
14

What is orbital velocity in physics?

Orbital velocity, velocity sufficient to cause a natural or artificial satellite to remain in orbit. The more massive the body at the centre of attraction, the higher is the orbital velocity for a particular altitude or distance.

What is the orbital speed?

In gravitationally bound systems, the orbital speed of an astronomical body or object (e.g. planet, moon, artificial satellite, spacecraft, or star) is the speed at which it orbits around either the barycenter or, if the object is much less massive than the largest body in the system, its speed relative to that largest

What is the orbital velocity of the earth?

The Earth's mean orbital speed, in meters per second (m/s), is obtained by dividing this number by the length of the year in seconds. A rough, general figure for the Earth's mean orbital speed is 30 kilometers per second (km/s), or 18½ miles per second (mi/s).
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