Package org.orekit.time

Class GMSTScale

java.lang.Object

org.orekit.time.GMSTScale

All Implemented Interfaces:

TimeScale

public class GMSTScale
extends Object
implements TimeScale

Greenwich Mean Sidereal Time.

The Greenwich Mean Sidereal Time is the hour angle between the meridian of Greenwich and mean equinox of date at 0h UT1.

This is intended to be accessed thanks to TimeScales, so there is no public constructor.

Since:

5.1

Author:

Luc Maisonobe

See Also:

• AbsoluteDate

Method Summary

Modifier and Type	Method	Description
String	getName()	Get the name time scale.
TimeOffset	offsetFromTAI(AbsoluteDate date)	Get the offset to convert locations from TAIScale to instance.
<T extends CalculusFieldElement<T>> T	offsetFromTAI(FieldAbsoluteDate<T> date)	Get the offset to convert locations from TAIScale to instance.
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.orekit.time.TimeScale

getLeap, getLeap, insideLeap, insideLeap, minuteDuration, minuteDuration, offsetToTAI

Method Details

offsetFromTAI

public TimeOffset offsetFromTAI(AbsoluteDate date)

Get the offset to convert locations from TAIScale to instance.

Specified by:

offsetFromTAI in interface TimeScale

Parameters:

date - conversion date

Returns:

offset in seconds to add to a location in TAIScale time scale to get a location in instance time scale

See Also:

• TimeScale.offsetToTAI(DateComponents, TimeComponents)

offsetFromTAI

public <T extends CalculusFieldElement<T>> T offsetFromTAI(FieldAbsoluteDate<T> date)

Get the offset to convert locations from TAIScale to instance.

Specified by:

offsetFromTAI in interface TimeScale

Type Parameters:

T - type of the filed elements

Parameters:

date - conversion date

Returns:

offset in seconds to add to a location in TAIScale time scale to get a location in instance time scale

See Also:

• TimeScale.offsetToTAI(DateComponents, TimeComponents)

getName

public String getName()

Get the name time scale.

Specified by:

getName in interface TimeScale

Returns:

name of the time scale

toString

public String toString()

Overrides:

toString in class Object