Elliptical orbit facts for kids
In astronomy, an elliptical orbit refers to an object (such as a planet or star) which orbits around a central body in an elliptical motion. This motion follows Kepler's Laws. An elliptical orbit occurs when the eccentricity of its orbit is greater than 0, and less than 1.
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An elliptical orbits is depicted in the top-right quadrant of this diagram, where the gravitational potential well of the central mass shows potential energy, and the kinetic energy of the orbital speed is shown in red. The height of the kinetic energy decreases as the orbiting body's speed decreases and distance increases according to Kepler's laws.
Elliptical orbit Facts for Kids. Kiddle Encyclopedia.