spheroid

Also known as ellipsoid of revolution, rotational ellipsoid

{| class=wikitable align=right |+ Spheroids with vertical rotational axes |- align-center |colspan=3|360px |- style="text-align: center" !colspan=2 width=100|oblate||prolate |}

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Image: Spheroids.svg

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Commons category: Spheroids

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~9 min read

Article

14 sections

Contents

Equation
Properties
Circumference
Area
Volume
Curvature
Aspect ratio
Occurrence and applications
Oblate spheroids
Prolate spheroids
Dynamical properties
See also
References
External links

{| class=wikitable align=right |+ Spheroids with vertical rotational axes |- align-center |colspan=3|360px |- style="text-align: center" !colspan=2 width=100|oblate||prolate |}

A spheroid, also known as an ellipsoid of revolution or rotational ellipsoid, is a quadric surface obtained by rotating an ellipse about one of its principal axes; in other words, an ellipsoid with two equal semi-diameters. A spheroid has circular symmetry.