Package org.orekit.propagation.semianalytical.dsst.forces

Class DSSTZonalContext

java.lang.Object

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

org.orekit.propagation.semianalytical.dsst.forces.DSSTZonalContext

public class DSSTZonalContext
extends ForceModelContext

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

It performs parameters initialization at each integration step for the Zonal contribution to the central body gravitational perturbation.

Since:

10.0

Author:

Bryan Cazabonne

Method Summary

Modifier and Type	Method	Description
double	getBB()	Get B * B.
double	getBoA()	Get B / A.
double	getBoABpo()	Get BoABpo = B / A(1 + B).
double	getCXO2N2A2()	Get (C * χ) / ( 2 * n² * a² ).
double	getHK()	Get h * k.
double	getK2MH2()	Get k² - h².
double	getK2MH2O2()	Get (k² - h²) / 2.
double	getM2aoA()	Get m2aoA = -2 * a / A.
double	getMCo2AB()	Get mCo2AB = -C / 2AB.
double	getMeanMotion()	Get the Keplerian mean motion.
double	getMuoa()	Get μ / a .
double	getOoAB()	Get ooAB = 1 / (A * B).
double	getOON2A2()	Get 1 / (n² * a²).
double	getRoa()	Get roa = R / a.
double	getX()	Get Χ = 1 / sqrt(1 - e²) = 1 / B.
double	getX2ON2A2XP1()	Get (χ²) / (n² * a² * (χ + 1 ) ).
double	getX3ON2A()	Get χ³ / (n² * a).
double	getXON2A2()	Get χ / (n² * a²).
double	getXX()	Get Χ².
double	getXXX()	Get Χ³.

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

getX

public double getX()

Get Χ = 1 / sqrt(1 - e²) = 1 / B.

Returns:

Χ

getXX

public double getXX()

Get Χ².

Returns:

Χ².

getXXX

public double getXXX()

Get Χ³.

Returns:

Χ³

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

getMuoa

public double getMuoa()

Get μ / a .

Returns:

muoa

getRoa

public double getRoa()

Get roa = R / a.

Returns:

roa

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

getHK

public double getHK()

Get h * k.

Returns:

hk

getK2MH2

public double getK2MH2()

Get k² - h².

Returns:

k2mh2

getK2MH2O2

public double getK2MH2O2()

Get (k² - h²) / 2.

Returns:

k2mh2o2

getOON2A2

public double getOON2A2()

Get 1 / (n² * a²).

Returns:

oon2a2

getX3ON2A

public double getX3ON2A()

Get χ³ / (n² * a).

Returns:

x3on2a

getXON2A2

public double getXON2A2()

Get χ / (n² * a²).

Returns:

xon2a2

getCXO2N2A2

public double getCXO2N2A2()

Get (C * χ) / ( 2 * n² * a² ).

Returns:

cxo2n2a2

getX2ON2A2XP1

public double getX2ON2A2XP1()

Get (χ²) / (n² * a² * (χ + 1 ) ).

Returns:

x2on2a2xp1

getBB

public double getBB()

Get B * B.

Returns:

BB