true anomaly

English
The true anomaly of point P(x,y) is shown as the angle θ.

Noun

true anomaly (countable and uncountable, plural true anomalies)

  1. (astronomy, celestial mechanics) The angle PFC formed by P = the periapsis of a celestial body's elliptical orbit, F = the focus of that orbit, and C = the current position of the celestial body.
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