Modul net.e175.klaus.solarpositioning

Package net.e175.klaus.solarpositioning

Klasse DeltaT

java.lang.Object

net.e175.klaus.solarpositioning.DeltaT

public final class DeltaT
extends Object

Finding values for Delta T, the difference between Terrestrial Time (TT) and Universal Time (UT1).

Methodenübersicht

Modifizierer und Typ	Methode	Beschreibung
static double	estimate(double year)	Estimate Delta T for the given decimal year.
static double	estimate(LocalDate forDate)	Estimate Delta T for the given date.

Von Klasse geerbte Methoden java.lang.Object

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

Methodendetails

estimate

public static double estimate(LocalDate forDate)

Estimate Delta T for the given date. This is based on Espenak and Meeus, "Five Millennium Canon of Solar Eclipses: -1999 to +3000" (NASA/TP-2006-214141) and updated by Espenak in 2014 at Eclipsewise.

Parameter:

forDate - date and time

Gibt zurück:

estimated delta T value (seconds)

estimate

public static double estimate(double year)

Estimate Delta T for the given decimal year.

Parameter:

year - decimal year (e.g. 2024.5 for the middle of 2024)

Gibt zurück:

estimated delta T value (seconds)

Siehe auch:

• decimalYear(LocalDate)