org.orekit.propagation.semianalytical.dsst.forces

Class DSSTThirdBodyContext

java.lang.Object

org.orekit.propagation.semianalytical.dsst.forces.ForceModelContext

org.orekit.propagation.semianalytical.dsst.forces.DSSTThirdBodyContext

public class DSSTThirdBodyContext
extends ForceModelContext

This class is a container for the common parameters used in DSSTThirdBody.

It performs parameters initialization at each integration step for the third body attraction perturbation.

Since:

10.0

Author:

Bryan Cazabonne

Method Summary

Modifier and Type	Method and Description
double	getA() Get A = sqrt(μ * a).
double	getAlpha() Get direction cosine α for central body.
double[]	getAoR3Pow() Get the value of a / R3 up to power maxAR3Pow.
double	getb() Get b = 1 / (1 + sqrt(1 - e²)) = 1 / (1 + B).
double	getBB() Get B².
double	getBBB() Get B³.
double	getBeta() Get direction cosine β for central body.
double	getBoA() Get B / A.
double	getBoABpo() Get BoABpo = B / A(1 + B).
double	getGamma() Get direction cosine γ for central body.
double	getHXXX() Get hXXX = h * Χ³.
double	getKXXX() Get kXXX = h * Χ³.
double	getM2aoA() Get m2aoA = -2 * a / A.
int	getMaxAR3Pow() Get the value of max power for a/R3 in the serie expansion.
int	getMaxEccPow() Get the value of max power for e in the serie expansion.
int	getMaxFreqF() Get the value of max frequency of F.
double	getMCo2AB() Get mCo2AB = -C / 2AB.
double	getMeanMotion() Get the Keplerian mean motion.
double	getMuoR3() Get muoR3 = mu3 / R3.
double	getOoAB() Get ooAB = 1 / (A * B).
double[][]	getQns() Get the value of Qns coefficients.
double	getX() Get Χ = 1 / sqrt(1 - e²) = 1 / B.

Methods inherited from class org.orekit.propagation.semianalytical.dsst.forces.ForceModelContext

getAuxiliaryElements

Methods inherited from class java.lang.Object

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

Method Detail

getA

public double getA()

Get A = sqrt(μ * a).

Returns:

A

getAlpha

public double getAlpha()

Get direction cosine α for central body.

Returns:

α

getBeta

public double getBeta()

Get direction cosine β for central body.

Returns:

β

getGamma

public double getGamma()

Get direction cosine γ for central body.

Returns:

γ

getBB

public double getBB()

Get B².

Returns:

B²

getBBB

public double getBBB()

Get B³.

Returns:

B³

getb

public double getb()

Get b = 1 / (1 + sqrt(1 - e²)) = 1 / (1 + B).

Returns:

b

getX

public double getX()

Get Χ = 1 / sqrt(1 - e²) = 1 / B.

Returns:

Χ

getM2aoA

public double getM2aoA()

Get m2aoA = -2 * a / A.

Returns:

m2aoA

getBoA

public double getBoA()

Get B / A.

Returns:

BoA

getOoAB

public double getOoAB()

Get ooAB = 1 / (A * B).

Returns:

ooAB

getMCo2AB

public double getMCo2AB()

Get mCo2AB = -C / 2AB.

Returns:

mCo2AB

getBoABpo

public double getBoABpo()

Get BoABpo = B / A(1 + B).

Returns:

BoABpo

getMuoR3

public double getMuoR3()

Get muoR3 = mu3 / R3.

Returns:

muoR3

getHXXX

public double getHXXX()

Get hXXX = h * Χ³.

Returns:

hXXX

getKXXX

public double getKXXX()

Get kXXX = h * Χ³.

Returns:

kXXX

getMaxAR3Pow

public int getMaxAR3Pow()

Get the value of max power for a/R3 in the serie expansion.

Returns:

maxAR3Pow

getMaxEccPow

public int getMaxEccPow()

Get the value of max power for e in the serie expansion.

Returns:

maxEccPow

getAoR3Pow

public double[] getAoR3Pow()

Get the value of a / R3 up to power maxAR3Pow.

Returns:

aoR3Pow

getMaxFreqF

public int getMaxFreqF()

Get the value of max frequency of F.

Returns:

maxFreqF

getMeanMotion

public double getMeanMotion()

Get the Keplerian mean motion.

The Keplerian mean motion is computed directly from semi major axis and central acceleration constant.

Returns:

Keplerian mean motion in radians per second

getQns

public double[][] getQns()

Get the value of Qns coefficients.

Returns:

Qns