Kepler's equation

Etymology
Named after (1571–1630), German mathematician and astronomer.

Proper noun

 * 1)  the mathematical relationship between the mean anomaly (M) and the eccentric anomaly (E) of a planet in an elliptical orbit with eccentricity ($$ \textstyle \epsilon $$). $$ M = E - \epsilon \cdot \sin(E). $$

Translations

 * Chinese:
 * Mandarin: 開普勒方程
 * French: équation de Kepler
 * German: Kepler-Gleichung
 * Italian: equazione di Keplero
 * Japanese: ケプラー方程式
 * Russian: уравне́ние Ке́плера