/// <summary> /// Calculates the sidereal time of the planet. /// </summary> /// <returns> /// The sidereal time of the planet. /// </returns> /// <param name="planetName">Solar System planet name.</param> /// <param name="date">Date.</param> /// <param name="lw">Longtitude of the location.</param> public static double GetSiderealTime(PlanetName planetName, DateTime date, double lw) { Planet planet = getPlanet(planetName); double calcDate = BaseCalculator.ToDays(date), theta = planet.Theta0 + planet.Theta1 * calcDate - lw; return(Math.Round(theta % 360, 4)); }
/// <summary> /// Calculates the mean anomaly of the planet. /// </summary> /// <returns> /// The mean anomaly of the planet. /// </returns> /// <param name="planetName">Solar System planet name.</param> /// <param name="date">Date.</param> public static double GetMeanAnomaly(PlanetName planetName, DateTime date) { Planet planet = getPlanet(planetName); double calcDate = BaseCalculator.ToDays(date), M = planet.M0 + planet.M1 * calcDate; return(Math.Round(M % 360, 4)); }