public interface IAUPole extends Serializable
This interface defines methods compliant with the report of the IAU/IAG Working Group on Cartographic Coordinates and Rotational Elements of the Planets and Satellites (WGCCRE). These definitions are common for all recent versions of this report published every three years.
The precise values of pole direction and W angle coefficients may vary from publication year as models are adjusted. The latest value of constants for implementing this interface can be found in the working group site.
CelestialBodyFactory
Modifier and Type | Method and Description |
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Vector3D |
getPole(AbsoluteDate date)
Get the body North pole direction with respect to a reference frame.
|
Vector3D |
getPoleDerivative(AbsoluteDate date)
Get the body North pole direction derivative with respect to a reference frame.
|
double |
getPrimeMeridianAngle(AbsoluteDate date)
Get the prime meridian angle.
|
double |
getPrimeMeridianAngleDerivative(AbsoluteDate date)
Get the prime meridian angle derivative.
|
String |
toString()
Returns a string representation of the body and its attributes.
|
Vector3D getPole(AbsoluteDate date)
date
- current datedouble getPrimeMeridianAngle(AbsoluteDate date)
The prime meridian angle is the angle between the Q node and the prime meridian. Represents the body rotation.
date
- current dateVector3D getPoleDerivative(AbsoluteDate date)
date
- current datedouble getPrimeMeridianAngleDerivative(AbsoluteDate date)
The prime meridian angle is the angle between the Q node and the prime meridian. Represents the body rotation.
date
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