Class AuxiliaryElements
- java.lang.Object
-
- org.orekit.propagation.semianalytical.dsst.utilities.AuxiliaryElements
-
public class AuxiliaryElements extends Object
Container class for common parameters used by all DSST forces.Most of them are defined in Danielson paper at § 2.1.
- Author:
- Pascal Parraud
-
-
Constructor Summary
Constructors Constructor Description AuxiliaryElements(Orbit orbit, int retrogradeFactor)
Simple constructor.
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description double
getAlpha()
Get direction cosine α for central body.double
getB()
Get B = sqrt(1 - e²).double
getBeta()
Get direction cosine β for central body.double
getC()
Get C = 1 + p² + q².AbsoluteDate
getDate()
Get the date of the orbit.double
getEcc()
Get the eccentricity.Frame
getFrame()
Get the definition frame of the orbit.double
getGamma()
Get direction cosine γ for central body.double
getH()
Get the y component of eccentricity vector.double
getK()
Get the x component of eccentricity vector.double
getKeplerianPeriod()
Get the Keplerian period.double
getLf()
Get the eccentric longitude.double
getLM()
Get the mean longitude.double
getLv()
Get the true longitude.double
getMeanMotion()
Get the Keplerian mean motion.Orbit
getOrbit()
Get the orbit.double
getP()
Get the y component of inclination vector.double
getQ()
Get the x component of inclination vector.int
getRetrogradeFactor()
Get the retrograde factor.double
getSma()
Get the semi-major axis.Vector3D
getVectorF()
Get equinoctial frame vector f.Vector3D
getVectorG()
Get equinoctial frame vector g.Vector3D
getVectorW()
Get equinoctial frame vector w.
-
-
-
Constructor Detail
-
AuxiliaryElements
public AuxiliaryElements(Orbit orbit, int retrogradeFactor)
Simple constructor.- Parameters:
orbit
- related mean orbit for auxiliary elementsretrogradeFactor
- retrograde factor I [Eq. 2.1.2-(2)]
-
-
Method Detail
-
getOrbit
public Orbit getOrbit()
Get the orbit.- Returns:
- the orbit
-
getDate
public AbsoluteDate getDate()
Get the date of the orbit.- Returns:
- the date
-
getFrame
public Frame getFrame()
Get the definition frame of the orbit.- Returns:
- the definition frame
-
getEcc
public double getEcc()
Get the eccentricity.- Returns:
- ecc
-
getMeanMotion
public double getMeanMotion()
Get the Keplerian mean motion.- Returns:
- n
-
getKeplerianPeriod
public double getKeplerianPeriod()
Get the Keplerian period.- Returns:
- period
-
getSma
public double getSma()
Get the semi-major axis.- Returns:
- the semi-major axis a
-
getK
public double getK()
Get the x component of eccentricity vector.This element called k in DSST corresponds to ex for the
EquinoctialOrbit
- Returns:
- k
-
getH
public double getH()
Get the y component of eccentricity vector.This element called h in DSST corresponds to ey for the
EquinoctialOrbit
- Returns:
- h
-
getQ
public double getQ()
Get the x component of inclination vector.This element called q in DSST corresponds to hx for the
EquinoctialOrbit
- Returns:
- q
-
getP
public double getP()
Get the y component of inclination vector.This element called p in DSST corresponds to hy for the
EquinoctialOrbit
- Returns:
- p
-
getLM
public double getLM()
Get the mean longitude.- Returns:
- lm
-
getLv
public double getLv()
Get the true longitude.- Returns:
- lv
-
getLf
public double getLf()
Get the eccentric longitude.- Returns:
- lf
-
getRetrogradeFactor
public int getRetrogradeFactor()
Get the retrograde factor.- Returns:
- the retrograde factor I
-
getB
public double getB()
Get B = sqrt(1 - e²).- Returns:
- B
-
getC
public double getC()
Get C = 1 + p² + q².- Returns:
- C
-
getVectorF
public Vector3D getVectorF()
Get equinoctial frame vector f.- Returns:
- f vector
-
getVectorG
public Vector3D getVectorG()
Get equinoctial frame vector g.- Returns:
- g vector
-
getVectorW
public Vector3D getVectorW()
Get equinoctial frame vector w.- Returns:
- w vector
-
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
-
-