public static double GetSunEclipticLatitude(double julianDate) { var julianMillennias = Tools.GetMillenniasCount(julianDate);// (julianDate - 2451545) / 365250; var sunLatitudeBase = GetCalculatedValue(PositionByOrbitalElementsArray.GetSunLatitudeBaseArray(), julianMillennias); var sunLatitudeFirstGroup = GetCalculatedValue(PositionByOrbitalElementsArray.GetSunLatitudeFirstArray(), julianMillennias); double value = (sunLatitudeBase + sunLatitudeFirstGroup * julianMillennias) / 100000000; return(CoordinateTransformation.MapToMinus90To90Range(CoordinateTransformation.SetRadiansToDegrees(value))); }