fr.cnes.genopus.utils

Class GPOrbitUtils

java.lang.Object

fr.cnes.genopus.utils.GPOrbitUtils

public final class GPOrbitUtils
extends Object

Utilities for orbit handling.

Author:

Alex Nardi

Method Summary

Modifier and Type	Method and Description
static double	geoToArgumentOfLongitude(double itrfLongitude, fr.cnes.sirius.patrius.orbits.orbitalparameters.IOrbitalParameters params, fr.cnes.sirius.patrius.time.AbsoluteDate date, fr.cnes.sirius.patrius.frames.Frame aolFrame) Converts a geographic longitude to an argument of longitude
static double	geoToTrueAnomaly(double itrfLongitude, fr.cnes.sirius.patrius.orbits.orbitalparameters.IOrbitalParameters params, fr.cnes.sirius.patrius.time.AbsoluteDate date, fr.cnes.sirius.patrius.frames.Frame trueLongitudeFrame) Converts a geographic longitude to a true longitude
static double	geoToTrueLongi(double itrfLongitude, fr.cnes.sirius.patrius.orbits.orbitalparameters.IOrbitalParameters params, fr.cnes.sirius.patrius.time.AbsoluteDate date, fr.cnes.sirius.patrius.frames.Frame anomalyFrame) Converts a geographic longitude to a true anomaly
static fr.cnes.sirius.patrius.orbits.Orbit	meanToOsculating(fr.cnes.sirius.patrius.orbits.Orbit orbit, double[] potentialParameters, MeanOrbitPropagationModel meanOrbitPropagationModel) Convert a mean orbit into an osculating orbit using provided potential constants.
static fr.cnes.sirius.patrius.orbits.Orbit	osculatingToMean(fr.cnes.sirius.patrius.orbits.Orbit orbit, double[] potentialParameters, MeanOrbitPropagationModel meanOrbitPropagationModel) Convert an osculating orbit into a mean orbit using provided potential constants.
static double	trueLongiToGeo(fr.cnes.sirius.patrius.orbits.orbitalparameters.IOrbitalParameters params, fr.cnes.sirius.patrius.time.AbsoluteDate date, fr.cnes.sirius.patrius.frames.Frame trueLongitudeFrame) Converts a true longitude to a geographic longitude

Methods inherited from class java.lang.Object

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

Method Detail

meanToOsculating

public static fr.cnes.sirius.patrius.orbits.Orbit meanToOsculating(fr.cnes.sirius.patrius.orbits.Orbit orbit,
                                                                   double[] potentialParameters,
                                                                   MeanOrbitPropagationModel meanOrbitPropagationModel)

Convert a mean orbit into an osculating orbit using provided potential constants.

Parameters:

orbit - mean orbit

potentialParameters - potential parameters [req, mu, J2, J3, J4, J5, J6]

meanOrbitPropagationModel - mean orbit propagation model

Returns:

osculating orbit

osculatingToMean

public static fr.cnes.sirius.patrius.orbits.Orbit osculatingToMean(fr.cnes.sirius.patrius.orbits.Orbit orbit,
                                                                   double[] potentialParameters,
                                                                   MeanOrbitPropagationModel meanOrbitPropagationModel)

Convert an osculating orbit into a mean orbit using provided potential constants.

Parameters:

orbit - osculating orbit

potentialParameters - potential parameters [req, mu, J2, J3, J4, J5, J6]

meanOrbitPropagationModel - mean orbit propagation model

Returns:

mean orbit

geoToTrueAnomaly

public static double geoToTrueAnomaly(double itrfLongitude,
                                      fr.cnes.sirius.patrius.orbits.orbitalparameters.IOrbitalParameters params,
                                      fr.cnes.sirius.patrius.time.AbsoluteDate date,
                                      fr.cnes.sirius.patrius.frames.Frame trueLongitudeFrame)
                               throws fr.cnes.sirius.patrius.utils.exception.PatriusException

Converts a geographic longitude to a true longitude

Parameters:

itrfLongitude - the geographic longitude in ITRF

params - the other orbital parameters

date - the date of the conversion

trueLongitudeFrame - the frame of the output true longitude

Returns:

the true longitude

Throws:

fr.cnes.sirius.patrius.utils.exception.PatriusException - PatriusException

geoToArgumentOfLongitude

public static double geoToArgumentOfLongitude(double itrfLongitude,
                                              fr.cnes.sirius.patrius.orbits.orbitalparameters.IOrbitalParameters params,
                                              fr.cnes.sirius.patrius.time.AbsoluteDate date,
                                              fr.cnes.sirius.patrius.frames.Frame aolFrame)
                                       throws fr.cnes.sirius.patrius.utils.exception.PatriusException

Converts a geographic longitude to an argument of longitude

Parameters:

itrfLongitude - the geographic longitude it ITRF

params - the other orbital parameters

date - the date of the conversion

aolFrame - the frame of the conversion

Returns:

the true argument of longitude

Throws:

fr.cnes.sirius.patrius.utils.exception.PatriusException - if conversion fails

geoToTrueLongi

public static double geoToTrueLongi(double itrfLongitude,
                                    fr.cnes.sirius.patrius.orbits.orbitalparameters.IOrbitalParameters params,
                                    fr.cnes.sirius.patrius.time.AbsoluteDate date,
                                    fr.cnes.sirius.patrius.frames.Frame anomalyFrame)
                             throws fr.cnes.sirius.patrius.utils.exception.PatriusException

Converts a geographic longitude to a true anomaly

Parameters:

itrfLongitude - the geographic longitude in ITRF

params - other orbital parameters

date - the date of the conversion

anomalyFrame - the frame of the output true anomaly

Returns:

the true anomaly

Throws:

fr.cnes.sirius.patrius.utils.exception.PatriusException - PatriusException

trueLongiToGeo

public static double trueLongiToGeo(fr.cnes.sirius.patrius.orbits.orbitalparameters.IOrbitalParameters params,
                                    fr.cnes.sirius.patrius.time.AbsoluteDate date,
                                    fr.cnes.sirius.patrius.frames.Frame trueLongitudeFrame)
                             throws fr.cnes.sirius.patrius.utils.exception.PatriusException

Converts a true longitude to a geographic longitude

Parameters:

params - the orbital parameters with anomaly

date - the date of the conversion

trueLongitudeFrame - the frame of the true longitude

Returns:

the geographical longitude in TIRF

Throws:

fr.cnes.sirius.patrius.utils.exception.PatriusException - PatriusException