平へい均きん近きん点てん角かく

noun

mean anomaly

Technical term in astronomy; the angle that would be swept out by a fictitious body moving with constant angular speed equal to the average angular speed of the real orbiting body.

• 平へい均きん近きん点てん角かくは、ケプラーの方ほう程てい式しきで使つかわれる重じゅう要ようなパラメータです。

  The mean anomaly is an important parameter used in Kepler's equation.