Angular eccentricity

Angular eccentricity is one of many parameters which arise in the study of the ellipse or ellipsoid. ^[1]

5 relations: Eccentricity (mathematics), Ellipse, Ellipsoid, Flattening, Semi-major and semi-minor axes.

Eccentricity (mathematics)

In mathematics, the eccentricity, denoted e or \varepsilon, is a parameter associated with every conic section.

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Ellipse

In mathematics, an ellipse is a curve in a plane surrounding two focal points such that the sum of the distances to the two focal points is constant for every point on the curve.

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Ellipsoid

An ellipsoid is a surface that may be obtained from a sphere by deforming it by means of directional scalings, or more generally, of an affine transformation.

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Flattening

Flattening is a measure of the compression of a circle or sphere along a diameter to form an ellipse or an ellipsoid of revolution (spheroid) respectively.

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Semi-major and semi-minor axes

In geometry, the major axis of an ellipse is its longest diameter: a line segment that runs through the center and both foci, with ends at the widest points of the perimeter.

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Modular angle.

References

[1] https://en.wikipedia.org/wiki/Angular_eccentricity

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