Package org.orekit.orbits
Class FieldKeplerianAnomalyUtility
- java.lang.Object
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- org.orekit.orbits.FieldKeplerianAnomalyUtility
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public class FieldKeplerianAnomalyUtility extends Object
Utility methods for converting between different Keplerian anomalies.- Author:
- Luc Maisonobe, Andrea Antolino, Andrew Goetz
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static <T extends CalculusFieldElement<T>>
TellipticEccentricToMean(T e, T E)
Computes the elliptic mean anomaly from the elliptic eccentric anomaly.static <T extends CalculusFieldElement<T>>
TellipticEccentricToTrue(T e, T E)
Computes the elliptic true anomaly from the elliptic eccentric anomaly.static <T extends CalculusFieldElement<T>>
TellipticMeanToEccentric(T e, T M)
Computes the elliptic eccentric anomaly from the elliptic mean anomaly.static <T extends CalculusFieldElement<T>>
TellipticMeanToTrue(T e, T M)
Computes the elliptic true anomaly from the elliptic mean anomaly.static <T extends CalculusFieldElement<T>>
TellipticTrueToEccentric(T e, T v)
Computes the elliptic eccentric anomaly from the elliptic true anomaly.static <T extends CalculusFieldElement<T>>
TellipticTrueToMean(T e, T v)
Computes the elliptic mean anomaly from the elliptic true anomaly.static <T extends CalculusFieldElement<T>>
ThyperbolicEccentricToMean(T e, T H)
Computes the hyperbolic mean anomaly from the hyperbolic eccentric anomaly.static <T extends CalculusFieldElement<T>>
ThyperbolicEccentricToTrue(T e, T H)
Computes the hyperbolic true anomaly from the hyperbolic eccentric anomaly.static <T extends CalculusFieldElement<T>>
ThyperbolicMeanToEccentric(T e, T M)
Computes the hyperbolic eccentric anomaly from the hyperbolic mean anomaly.static <T extends CalculusFieldElement<T>>
ThyperbolicMeanToTrue(T e, T M)
Computes the hyperbolic true anomaly from the hyperbolic mean anomaly.static <T extends CalculusFieldElement<T>>
ThyperbolicTrueToEccentric(T e, T v)
Computes the hyperbolic eccentric anomaly from the hyperbolic true anomaly.static <T extends CalculusFieldElement<T>>
ThyperbolicTrueToMean(T e, T v)
Computes the hyperbolic mean anomaly from the hyperbolic true anomaly.
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Method Detail
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ellipticMeanToTrue
public static <T extends CalculusFieldElement<T>> T ellipticMeanToTrue(T e, T M)
Computes the elliptic true anomaly from the elliptic mean anomaly.- Type Parameters:
T
- field type- Parameters:
e
- eccentricity such that 0 ≤ e < 1M
- elliptic mean anomaly (rad)- Returns:
- elliptic true anomaly (rad)
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ellipticTrueToMean
public static <T extends CalculusFieldElement<T>> T ellipticTrueToMean(T e, T v)
Computes the elliptic mean anomaly from the elliptic true anomaly.- Type Parameters:
T
- field type- Parameters:
e
- eccentricity such that 0 ≤ e < 1v
- elliptic true anomaly (rad)- Returns:
- elliptic mean anomaly (rad)
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ellipticEccentricToTrue
public static <T extends CalculusFieldElement<T>> T ellipticEccentricToTrue(T e, T E)
Computes the elliptic true anomaly from the elliptic eccentric anomaly.- Type Parameters:
T
- field type- Parameters:
e
- eccentricity such that 0 ≤ e < 1E
- elliptic eccentric anomaly (rad)- Returns:
- elliptic true anomaly (rad)
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ellipticTrueToEccentric
public static <T extends CalculusFieldElement<T>> T ellipticTrueToEccentric(T e, T v)
Computes the elliptic eccentric anomaly from the elliptic true anomaly.- Type Parameters:
T
- field type- Parameters:
e
- eccentricity such that 0 ≤ e < 1v
- elliptic true anomaly (rad)- Returns:
- elliptic eccentric anomaly (rad)
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ellipticMeanToEccentric
public static <T extends CalculusFieldElement<T>> T ellipticMeanToEccentric(T e, T M)
Computes the elliptic eccentric anomaly from the elliptic mean anomaly.The algorithm used here for solving hyperbolic Kepler equation is from Odell, A.W., Gooding, R.H. "Procedures for solving Kepler's equation." Celestial Mechanics 38, 307–334 (1986). https://doi.org/10.1007/BF01238923
- Type Parameters:
T
- field type- Parameters:
e
- eccentricity such that 0 ≤ e < 1M
- elliptic mean anomaly (rad)- Returns:
- elliptic eccentric anomaly (rad)
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ellipticEccentricToMean
public static <T extends CalculusFieldElement<T>> T ellipticEccentricToMean(T e, T E)
Computes the elliptic mean anomaly from the elliptic eccentric anomaly.- Type Parameters:
T
- field type- Parameters:
e
- eccentricity such that 0 ≤ e < 1E
- elliptic eccentric anomaly (rad)- Returns:
- elliptic mean anomaly (rad)
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hyperbolicMeanToTrue
public static <T extends CalculusFieldElement<T>> T hyperbolicMeanToTrue(T e, T M)
Computes the hyperbolic true anomaly from the hyperbolic mean anomaly.- Type Parameters:
T
- field type- Parameters:
e
- eccentricity > 1M
- hyperbolic mean anomaly- Returns:
- hyperbolic true anomaly (rad)
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hyperbolicTrueToMean
public static <T extends CalculusFieldElement<T>> T hyperbolicTrueToMean(T e, T v)
Computes the hyperbolic mean anomaly from the hyperbolic true anomaly.- Type Parameters:
T
- field type- Parameters:
e
- eccentricity > 1v
- hyperbolic true anomaly (rad)- Returns:
- hyperbolic mean anomaly
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hyperbolicEccentricToTrue
public static <T extends CalculusFieldElement<T>> T hyperbolicEccentricToTrue(T e, T H)
Computes the hyperbolic true anomaly from the hyperbolic eccentric anomaly.- Type Parameters:
T
- field type- Parameters:
e
- eccentricity > 1H
- hyperbolic eccentric anomaly- Returns:
- hyperbolic true anomaly (rad)
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hyperbolicTrueToEccentric
public static <T extends CalculusFieldElement<T>> T hyperbolicTrueToEccentric(T e, T v)
Computes the hyperbolic eccentric anomaly from the hyperbolic true anomaly.- Type Parameters:
T
- field type- Parameters:
e
- eccentricity > 1v
- hyperbolic true anomaly (rad)- Returns:
- hyperbolic eccentric anomaly
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hyperbolicMeanToEccentric
public static <T extends CalculusFieldElement<T>> T hyperbolicMeanToEccentric(T e, T M)
Computes the hyperbolic eccentric anomaly from the hyperbolic mean anomaly.The algorithm used here for solving hyperbolic Kepler equation is from Gooding, R.H., Odell, A.W. "The hyperbolic Kepler equation (and the elliptic equation revisited)." Celestial Mechanics 44, 267–282 (1988). https://doi.org/10.1007/BF01235540
- Type Parameters:
T
- field type- Parameters:
e
- eccentricity > 1M
- hyperbolic mean anomaly- Returns:
- hyperbolic eccentric anomaly
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hyperbolicEccentricToMean
public static <T extends CalculusFieldElement<T>> T hyperbolicEccentricToMean(T e, T H)
Computes the hyperbolic mean anomaly from the hyperbolic eccentric anomaly.- Type Parameters:
T
- field type- Parameters:
e
- eccentricity > 1H
- hyperbolic eccentric anomaly- Returns:
- hyperbolic mean anomaly
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