java.lang.Object
- org.orekit.forces.AbstractForceModel
- - org.orekit.forces.radiation.SolarRadiationPressure

All Implemented Interfaces:

ForceModel
```
public class SolarRadiationPressure
extends AbstractForceModel
```
Solar radiation pressure force model.

Author:

Fabien Maussion, Édouard Delente, Véronique Pommier-Maurussane, Pascal Parraud

Constructor Summary

Constructors
Constructor	Description
`SolarRadiationPressure(double dRef, double pRef, ExtendedPVCoordinatesProvider sun, double equatorialRadius, RadiationSensitive spacecraft)`	Complete constructor.
`SolarRadiationPressure(double dRef, double pRef, PVCoordinatesProvider sun, double equatorialRadius, RadiationSensitive spacecraft)`	Deprecated. as of 9.2 replaced by `SolarRadiationPressure(double, double, ExtendedPVCoordinatesProvider, double, RadiationSensitive)`
`SolarRadiationPressure(ExtendedPVCoordinatesProvider sun, double equatorialRadius, RadiationSensitive spacecraft)`	Simple constructor with default reference values.
`SolarRadiationPressure(PVCoordinatesProvider sun, double equatorialRadius, RadiationSensitive spacecraft)`	Deprecated. as of 9.2 replaced by `SolarRadiationPressure(ExtendedPVCoordinatesProvider, double, RadiationSensitive)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`<T extends org.hipparchus.RealFieldElement<T>> org.hipparchus.geometry.euclidean.threed.FieldVector3D<T>`	`acceleration(FieldSpacecraftState<T> s, T[] parameters)`	Compute acceleration.
`org.hipparchus.geometry.euclidean.threed.Vector3D`	`acceleration(SpacecraftState s, double[] parameters)`	Compute acceleration.
`boolean`	`dependsOnPositionOnly()`	Check if force models depends on position only.
`Stream<EventDetector>`	`getEventsDetectors()`	Get the discrete events related to the model.
`<T extends org.hipparchus.RealFieldElement<T>> Stream<FieldEventDetector<T>>`	`getFieldEventsDetectors(org.hipparchus.Field<T> field)`	Get the discrete events related to the model.
`<T extends org.hipparchus.RealFieldElement<T>> T`	`getLightingRatio(org.hipparchus.geometry.euclidean.threed.FieldVector3D<T> position, Frame frame, FieldAbsoluteDate<T> date)`	Get the lighting ratio ([0-1]).
`double`	`getLightingRatio(org.hipparchus.geometry.euclidean.threed.Vector3D position, Frame frame, AbsoluteDate date)`	Get the lighting ratio ([0-1]).
`ParameterDriver[]`	`getParametersDrivers()`	Get the drivers for force model parameters.

Methods inherited from class org.orekit.forces.AbstractForceModel
complainIfNotSupported, getParameterDriver, isSupported

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.orekit.forces.ForceModel
addContribution, addContribution, getParameters, getParameters, init

- Constructor Detail
  - SolarRadiationPressure
```
@Deprecated
public SolarRadiationPressure(PVCoordinatesProvider sun,
                              double equatorialRadius,
                              RadiationSensitive spacecraft)
```
    Deprecated.
    as of 9.2 replaced by SolarRadiationPressure(ExtendedPVCoordinatesProvider, double, RadiationSensitive)
    Simple constructor with default reference values.
    When this constructor is used, the reference values are:
    
    d_ref = 149597870000.0 m
    
    p_ref = 4.56 10^-6 N/m²
    Parameters:
    
    sun - Sun model
    
    equatorialRadius - spherical shape model (for umbra/penumbra computation)
    
    spacecraft - the object physical and geometrical information
  - SolarRadiationPressure
```
public SolarRadiationPressure(ExtendedPVCoordinatesProvider sun,
                              double equatorialRadius,
                              RadiationSensitive spacecraft)
```
    Simple constructor with default reference values.
    When this constructor is used, the reference values are:
    
    d_ref = 149597870000.0 m
    
    p_ref = 4.56 10^-6 N/m²
    Parameters:
    
    sun - Sun model
    
    equatorialRadius - spherical shape model (for umbra/penumbra computation)
    
    spacecraft - the object physical and geometrical information
    
    Since:
    
    9.2
  - SolarRadiationPressure
```
@Deprecated
public SolarRadiationPressure(double dRef,
                              double pRef,
                              PVCoordinatesProvider sun,
                              double equatorialRadius,
                              RadiationSensitive spacecraft)
```
    Deprecated.
    as of 9.2 replaced by SolarRadiationPressure(double, double, ExtendedPVCoordinatesProvider, double, RadiationSensitive)
    
    Complete constructor.
    Note that reference solar radiation pressure pRef in N/m² is linked to solar flux SF in W/m² using formula pRef = SF/c where c is the speed of light (299792458 m/s). So at 1UA a 1367 W/m² solar flux is a 4.56 10^-6 N/m² solar radiation pressure.
    
    Parameters:
    
    dRef - reference distance for the solar radiation pressure (m)
    
    pRef - reference solar radiation pressure at dRef (N/m²)
    
    sun - Sun model
    
    equatorialRadius - spherical shape model (for umbra/penumbra computation)
    
    spacecraft - the object physical and geometrical information
  - SolarRadiationPressure
```
public SolarRadiationPressure(double dRef,
                              double pRef,
                              ExtendedPVCoordinatesProvider sun,
                              double equatorialRadius,
                              RadiationSensitive spacecraft)
```
    Complete constructor.
    Note that reference solar radiation pressure pRef in N/m² is linked to solar flux SF in W/m² using formula pRef = SF/c where c is the speed of light (299792458 m/s). So at 1UA a 1367 W/m² solar flux is a 4.56 10^-6 N/m² solar radiation pressure.
    
    Parameters:
    
    dRef - reference distance for the solar radiation pressure (m)
    
    pRef - reference solar radiation pressure at dRef (N/m²)
    
    sun - Sun model
    
    equatorialRadius - spherical shape model (for umbra/penumbra computation)
    
    spacecraft - the object physical and geometrical information
    
    Since:
    
    9.2
- Method Detail
  - dependsOnPositionOnly
```
public boolean dependsOnPositionOnly()
```
    Check if force models depends on position only.
    
    Returns:
    
    true if force model depends on position only, false if it depends on velocity, either directly or due to a dependency on attitude
  - acceleration
```
public org.hipparchus.geometry.euclidean.threed.Vector3D acceleration(SpacecraftState s,
                                                                      double[] parameters)
```
    Compute acceleration.
    
    Parameters:
    
    s - current state information: date, kinematics, attitude
    
    parameters - values of the force model parameters
    
    Returns:
    
    acceleration in same frame as state
  - acceleration
```
public <T extends org.hipparchus.RealFieldElement<T>> org.hipparchus.geometry.euclidean.threed.FieldVector3D<T> acceleration(FieldSpacecraftState<T> s,
                                                                                                                             T[] parameters)
```
    Compute acceleration.
    
    Type Parameters:
    
    T - type of the elements
    
    Parameters:
    
    s - current state information: date, kinematics, attitude
    
    parameters - values of the force model parameters
    
    Returns:
    
    acceleration in same frame as state
  - getLightingRatio
```
public double getLightingRatio(org.hipparchus.geometry.euclidean.threed.Vector3D position,
                               Frame frame,
                               AbsoluteDate date)
```
    Get the lighting ratio ([0-1]).
    
    Parameters:
    
    position - the satellite's position in the selected frame.
    
    frame - in which is defined the position
    
    date - the date
    
    Returns:
    
    lighting ratio
    
    Since:
    
    7.1
  - getLightingRatio
```
public <T extends org.hipparchus.RealFieldElement<T>> T getLightingRatio(org.hipparchus.geometry.euclidean.threed.FieldVector3D<T> position,
                                                                         Frame frame,
                                                                         FieldAbsoluteDate<T> date)
```
    Get the lighting ratio ([0-1]).
    
    Type Parameters:
    
    T - extends RealFieldElement
    
    Parameters:
    
    position - the satellite's position in the selected frame.
    
    frame - in which is defined the position
    
    date - the date
    
    Returns:
    
    lighting ratio
    
    Since:
    
    7.1
  - getEventsDetectors
```
public Stream<EventDetector> getEventsDetectors()
```
    Get the discrete events related to the model.
    
    Returns:
    
    stream of events detectors
  - getFieldEventsDetectors
```
public <T extends org.hipparchus.RealFieldElement<T>> Stream<FieldEventDetector<T>> getFieldEventsDetectors(org.hipparchus.Field<T> field)
```
    Get the discrete events related to the model.
    
    Type Parameters:
    
    T - extends RealFieldElement
    
    Parameters:
    
    field - field to which the state belongs
    
    Returns:
    
    stream of events detectors
  - getParametersDrivers
```
public ParameterDriver[] getParametersDrivers()
```
    Get the drivers for force model parameters.
    
    Returns:
    
    drivers for force model parameters

Class SolarRadiationPressure

Constructor Summary

Method Summary

Methods inherited from class org.orekit.forces.AbstractForceModel

Methods inherited from class java.lang.Object

Methods inherited from interface org.orekit.forces.ForceModel

Constructor Detail

SolarRadiationPressure

SolarRadiationPressure

SolarRadiationPressure

SolarRadiationPressure

Method Detail

dependsOnPositionOnly

acceleration

acceleration

getLightingRatio

getLightingRatio

getEventsDetectors

getFieldEventsDetectors

getParametersDrivers