public static float HyperbolicAnomalyAtEpoch(float trueAnomaly, float eccentricity)
{
float sqrt = Mathf.Sqrt((eccentricity - 1f) / (eccentricity + 1f));
return(2f * MathUtilities.ArcTanh(sqrt * Mathf.Tan(trueAnomaly / 2f)));
}
