edu.wisc.ssec.mcidasv.data.adde.sgp4
Class Sidereal

java.lang.Object
  edu.wisc.ssec.mcidasv.data.adde.sgp4.Sidereal

public class Sidereal
extends Object

Author:

Shawn

Constructor Summary

Sidereal()

Method Summary

static double	Greenwich_Mean_Sidereal_Deg(double mjd) Calculates the Greenwich mean sidereal time (GMST) on julDate (doesn't have to be 0h).
static void	main(String[] args)
static double	Mean_Sidereal_Deg(double mjd, double longitudeDeg) Calculates the mean sidereal time (MST) on julDate (doesn't have to be 0h) for a given longitiude.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Sidereal

public Sidereal()

Method Detail

Greenwich_Mean_Sidereal_Deg

public static double Greenwich_Mean_Sidereal_Deg(double mjd)

Calculates the Greenwich mean sidereal time (GMST) on julDate (doesn't have to be 0h). Used calculations from Meesus 2nd ed.

Parameters:

mjd - Modified Julian Date

Returns:

Greenwich mean sidereal time in degrees (0-360)

Mean_Sidereal_Deg

public static double Mean_Sidereal_Deg(double mjd,
                                       double longitudeDeg)

Calculates the mean sidereal time (MST) on julDate (doesn't have to be 0h) for a given longitiude.

Parameters:

mjd - Modified Julian Date

longitude - longitude in degrees

Returns:

mean sidereal time in degrees (0-360)

main

public static void main(String[] args)