Class PythonFieldSDP4<T extends CalculusFieldElement<T>>

    • Constructor Detail

      • PythonFieldSDP4

        public PythonFieldSDP4​(FieldTLE<T> initialTLE,
                               AttitudeProvider attitudeProvider,
                               T mass,
                               Frame teme,
                               T[] parameters)
        Constructor for a unique initial TLE.
        Parameters:
        initialTLE - the TLE to propagate.
        attitudeProvider - provider for attitude computation
        mass - spacecraft mass (kg)
        teme - the TEME frame to use for propagation.
        parameters - SGP4 and SDP4 model parameters
    • Method Detail

      • pythonExtension

        public void pythonExtension​(long pythonObject)
        Part of JCC Python interface to object
      • pythonExtension

        public long pythonExtension()
        Part of JCC Python interface to object
      • pythonDecRef

        public void pythonDecRef()
        Part of JCC Python interface to object
      • luniSolarTermsComputation

        public void luniSolarTermsComputation()
        Computes luni - solar terms from initial coordinates and epoch.
      • deepSecularEffects

        public void deepSecularEffects​(T t)
        Computes secular terms from current coordinates and epoch.
        Parameters:
        t - offset from initial epoch (min)
      • deepPeriodicEffects

        public void deepPeriodicEffects​(T t)
        Computes periodic terms from current coordinates and epoch.
        Parameters:
        t - offset from initial epoch (min)
      • sxpInitialize

        protected void sxpInitialize​(T[] parameters)
        Initialization proper to each propagator (SGP or SDP).
        Specified by:
        sxpInitialize in class FieldTLEPropagator<T extends CalculusFieldElement<T>>
        Parameters:
        parameters - model parameters
      • sxpPropagate

        protected void sxpPropagate​(T tSince,
                                    T[] parameters)
        Propagation proper to each propagator (SGP or SDP).
        Specified by:
        sxpPropagate in class FieldTLEPropagator<T extends CalculusFieldElement<T>>
        Parameters:
        tSince - the offset from initial epoch (minutes)
        parameters - model parameters
      • thetaG

        protected double thetaG​(FieldAbsoluteDate<T> date)
        Computes SPACETRACK#3 compliant earth rotation angle.
        Parameters:
        date - the current date
        Returns:
        the ERA (rad)