The story
Named after Johannes Kepler (1571–1630), German mathematician and astronomer.
Etymology from Wiktionary, CC BY-SA 4.0.
Kepler's equation
Today it means: the mathematical relationship between the mean anomaly (M) and the eccentric anomaly (E) of a planet in an elliptical orbit with eccentricity (ϵ). M=E-ϵ· sin (E). Full definition →