Semi Minor Axis of an Ellipse Calculator

Posted by Dinesh on

Online geometry calculator to calculate semi minor axis of an ellipse from the eccentricity, semi-major values.

What is Semi Minor Axis?

The semi-minor axis (also semiminor axis) is a line segment associated with most conic sections (that is, with ellipses and hyperbolas) that is at right angles with the semi-major axis and has one end at the center of the conic section. It is one of the axes of symmetry for the curve: in an ellipse, the shorter one; in a hyperbola, the one that does not intersect the hyperbola.

Ellipse Semi Minor Axis Calculation

Formula:

b = a · √1 - ϵ²

Where,
a = semi-major axis
ϵ = eccentricity
b = semi-minor axis