Package org.orekit.propagation.semianalytical.dsst.utilities

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 Details

    • AuxiliaryElements

      public AuxiliaryElements(Orbit orbit, int retrogradeFactor)
      Simple constructor.
      Parameters:
      orbit - related mean orbit for auxiliary elements
      retrogradeFactor - retrograde factor I [Eq. 2.1.2-(2)]

  • Method Details

    • 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