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Astro*Dictionary by Michael Erlewine





1 article for "Circular Orbit"

Circular Orbit [Astro*Index]

An orbital path which is circular (its eccentricity is exactly 0); generally treated as a degenerate case of an elliptical orbit whose eccentricity has decreased to zero. The orbits of Venus (e=0.0068), Earth (e=0.0168), and Neptune (e=0.0086) are nearly circular.

See also:
♦ Conic Section ♦ Orbit ♦ Elliptical Orbit ♦ Eccentricity


Astro*Index Copyright © 1997 Michael Erlewine