Difference between revisions of "Eccentricity"

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http://en.wikipedia.org/wiki/Orbital_eccentricity
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Orbital '''eccentricity''' is the measure of the shape of a Kepler orbit, .
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Every orbit is a Kepler orbit in a two-body problem, taking the shape of a conic section.
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Eccentricity of an orbit may be any non-negative value and is a dimensionless quantity, indicated by the variable e.
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The eccentricity may take values as follows:
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*Circular orbit e = 0
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*Elliptical orbit 0 < e < 1
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*Parabolic trajectory e = 1
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*Hyperbolic trajectory e > 1
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== See also ==
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[[w:Orbital eccentricity|Orbital eccentricity]] at Wikipedia.
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{{Stub}}
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[[Category: Articles]]
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[[Category:Celestial mechanics]]

Latest revision as of 03:46, 14 October 2022

Orbital eccentricity is the measure of the shape of a Kepler orbit, .

Every orbit is a Kepler orbit in a two-body problem, taking the shape of a conic section. Eccentricity of an orbit may be any non-negative value and is a dimensionless quantity, indicated by the variable e.

The eccentricity may take values as follows:

  • Circular orbit e = 0
  • Elliptical orbit 0 < e < 1
  • Parabolic trajectory e = 1
  • Hyperbolic trajectory e > 1


See also[edit]

Orbital eccentricity at Wikipedia.

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