Package org.orekit.propagation.conversion

Class TLEPropagatorBuilder

java.lang.Object

org.orekit.propagation.conversion.AbstractPropagatorBuilder<TLEPropagator>

org.orekit.propagation.conversion.AbstractAnalyticalPropagatorBuilder<TLEPropagator>

org.orekit.propagation.conversion.TLEPropagatorBuilder

All Implemented Interfaces:

Cloneable, PropagatorBuilder

public class TLEPropagatorBuilder
extends AbstractAnalyticalPropagatorBuilder<TLEPropagator>

Builder for TLEPropagator.

Since:

6.0

Author:

Pascal Parraud, Thomas Paulet

Constructor Summary

Constructors

Constructor	Description
TLEPropagatorBuilder(TLE templateTLE, PositionAngleType positionAngleType, double positionScale, DataContext dataContext, TleGenerationAlgorithm generationAlgorithm)	Build a new instance.
TLEPropagatorBuilder(TLE templateTLE, PositionAngleType positionAngleType, double positionScale, DataContext dataContext, TleGenerationAlgorithm generationAlgorithm, AttitudeProvider attitudeProvider)	Build a new instance.
TLEPropagatorBuilder(TLE templateTLE, PositionAngleType positionAngleType, double positionScale, TleGenerationAlgorithm generationAlgorithm)	Build a new instance.

Method Summary

Modifier and Type	Method	Description
TLEPropagator	buildPropagator(double[] normalizedParameters)	Build a propagator.
TLEPropagatorBuilder	clone()	.
TLE	getTemplateTLE()	Getter for the template TLE.

Methods inherited from class org.orekit.propagation.conversion.AbstractAnalyticalPropagatorBuilder

addImpulseManeuver, buildLeastSquaresModel, clearImpulseManeuvers, getImpulseManeuvers

Methods inherited from class org.orekit.propagation.conversion.AbstractPropagatorBuilder

addAdditionalDerivativesProvider, addSupportedParameters, buildPropagator, createInitialOrbit, deselectDynamicParameters, getAdditionalDerivativesProviders, getAttitudeProvider, getFrame, getInitialOrbitDate, getMass, getMu, getOrbitalParametersDrivers, getOrbitType, getPositionAngleType, getPositionScale, getPropagationParametersDrivers, getSelectedNormalizedParameters, resetOrbit, setAttitudeProvider, setMass, setParameters

Methods inherited from class java.lang.Object

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

Constructor Details

TLEPropagatorBuilder

@DefaultDataContext
public TLEPropagatorBuilder(TLE templateTLE,
 PositionAngleType positionAngleType,
 double positionScale,
 TleGenerationAlgorithm generationAlgorithm)

Build a new instance. This constructor uses the default data context.

The template TLE is used as a model to create initial orbit. It defines the inertial frame, the central attraction coefficient, orbit type, satellite number, classification, .... and is also used together with the positionScale to convert from the normalized parameters used by the callers of this builder to the real orbital parameters.

Parameters:

templateTLE - reference TLE from which real orbits will be built

positionAngleType - position angle type to use

positionScale - scaling factor used for orbital parameters normalization (typically set to the expected standard deviation of the position)

generationAlgorithm - TLE generation algorithm

Since:

12.0

See Also:

• TLEPropagatorBuilder(TLE, PositionAngleType, double, DataContext, TleGenerationAlgorithm)
• TLEPropagatorBuilder(TLE, PositionAngleType, double, DataContext, TleGenerationAlgorithm, AttitudeProvider)

TLEPropagatorBuilder

public TLEPropagatorBuilder(TLE templateTLE,
 PositionAngleType positionAngleType,
 double positionScale,
 DataContext dataContext,
 TleGenerationAlgorithm generationAlgorithm)

Build a new instance.

The template TLE is used as a model to create initial orbit. It defines the inertial frame, the central attraction coefficient, orbit type, satellite number, classification, .... and is also used together with the positionScale to convert from the normalized parameters used by the callers of this builder to the real orbital parameters. The default attitude provider is aligned with the orbit's inertial frame.

Parameters:

templateTLE - reference TLE from which real orbits will be built

positionAngleType - position angle type to use

positionScale - scaling factor used for orbital parameters normalization (typically set to the expected standard deviation of the position)

dataContext - used to access frames and time scales.

generationAlgorithm - TLE generation algorithm

Since:

12.0

See Also:

• TLEPropagatorBuilder(TLE, PositionAngleType, double, DataContext, TleGenerationAlgorithm, AttitudeProvider)

TLEPropagatorBuilder

public TLEPropagatorBuilder(TLE templateTLE,
 PositionAngleType positionAngleType,
 double positionScale,
 DataContext dataContext,
 TleGenerationAlgorithm generationAlgorithm,
 AttitudeProvider attitudeProvider)

Build a new instance.

The template TLE is used as a model to create initial orbit. It defines the inertial frame, the central attraction coefficient, orbit type, satellite number, classification, .... and is also used together with the positionScale to convert from the normalized parameters used by the callers of this builder to the real orbital parameters.

Parameters:

templateTLE - reference TLE from which real orbits will be built

positionAngleType - position angle type to use

positionScale - scaling factor used for orbital parameters normalization (typically set to the expected standard deviation of the position)

dataContext - used to access frames and time scales.

generationAlgorithm - TLE generation algorithm

attitudeProvider - attitude law to use

Since:

12.2

Method Details

clone

public TLEPropagatorBuilder clone()

..

Overrides:

clone in class AbstractPropagatorBuilder<TLEPropagator>

buildPropagator

public TLEPropagator buildPropagator(double[] normalizedParameters)

Build a propagator.

Specified by:

buildPropagator in interface PropagatorBuilder

Specified by:

buildPropagator in class AbstractPropagatorBuilder<TLEPropagator>

Parameters:

normalizedParameters - normalized values for the selected parameters

Returns:

an initialized propagator

getTemplateTLE

public TLE getTemplateTLE()

Getter for the template TLE.

Returns:

the template TLE