org.jscience.astronomy.solarsystem.ephemeris
Class JulianDay

java.lang.Object
  org.jscience.astronomy.solarsystem.ephemeris.JulianDay

public class JulianDay
extends java.lang.Object

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Field Summary

static double

J2000 DOCUMENT ME!

Constructor Summary

JulianDay()
Creates a new JulianDay object.

Method Summary

static double	deltaT(double d) DOCUMENT ME!
static Matrix3D	equaPrecessMatrix(double d, double d1) DOCUMENT ME!
static double	getDay(int i, int j, double d) DOCUMENT ME!
static double	getDay(int i, int j, double d, int k, int l, double d1) DOCUMENT ME!
static CalendarDate	getGregorian(double d) DOCUMENT ME!
static double	GMST(double d) DOCUMENT ME!
static double	inDynamicalTime(double d) DOCUMENT ME!
static double	LST(double d, double d1) DOCUMENT ME!
static double	now() DOCUMENT ME!

Methods inherited from class java.lang.Object

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

Field Detail

J2000

public static final double J2000

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See Also:

Constant Field Values

Constructor Detail

JulianDay

public JulianDay()

Creates a new JulianDay object.

Method Detail

getDay

public static double getDay(int i,
                            int j,
                            double d)

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Parameters:

i - DOCUMENT ME!

j - DOCUMENT ME!

d - DOCUMENT ME!

Returns:

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getDay

public static double getDay(int i,
                            int j,
                            double d,
                            int k,
                            int l,
                            double d1)

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Parameters:

i - DOCUMENT ME!

j - DOCUMENT ME!

d - DOCUMENT ME!

k - DOCUMENT ME!

l - DOCUMENT ME!

d1 - DOCUMENT ME!

Returns:

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LST

public static double LST(double d,
                         double d1)

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Parameters:

d - DOCUMENT ME!

d1 - DOCUMENT ME!

Returns:

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GMST

public static double GMST(double d)

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Parameters:

d - DOCUMENT ME!

Returns:

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equaPrecessMatrix

public static Matrix3D equaPrecessMatrix(double d,
                                         double d1)

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Parameters:

d - DOCUMENT ME!

d1 - DOCUMENT ME!

Returns:

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deltaT

public static double deltaT(double d)

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Parameters:

d - DOCUMENT ME!

Returns:

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inDynamicalTime

public static double inDynamicalTime(double d)

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Parameters:

d - DOCUMENT ME!

Returns:

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now

public static double now()

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Returns:

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getGregorian

public static CalendarDate getGregorian(double d)

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Parameters:

d - DOCUMENT ME!

Returns:

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