Angular parameter that defines the position of a body that is moving along an elliptic Kepler orbit.; one of three angular parameters (\anomalies\) that define a position along an orbit, the other two being the true anomaly and the mean anomaly
angular parameter that defines the position of a body that is moving along an elliptic Kepler orbit.; one of three angular parameters (\anomalies\) that define a position along an orbit, the other two being the true anomaly and the mean anomaly (en)
угловой параметр в небесной механике (ru)
Parameter zur Beschreibung der Position eines Körpers auf einer Keplerbahn (de)