edu.wisc.ssec.mcidasv.data.adde.sgp4
Class SatelliteTleSGP4

java.lang.Object
  edu.wisc.ssec.mcidasv.data.adde.sgp4.AbstractSatellite
      edu.wisc.ssec.mcidasv.data.adde.sgp4.SatelliteTleSGP4

All Implemented Interfaces:

Serializable

public class SatelliteTleSGP4
extends AbstractSatellite

Author:

ganos

See Also:

Serialized Form

Field Summary

(package private) double	currentJulianDate
private boolean	fillFootPrint
private int	grnTrkPointsPerPeriod
(package private) boolean	groundTrackIni
private double	groundTrackLagPeriodMultiplier
private double	groundTrackLeadPeriodMultiplier
private double[]	j2kPos
private double[]	j2kVel
(package private) double[][]	latLongLag
(package private) double[][]	latLongLead
private double[]	lla
private int	numPtsFootPrint
private boolean	plot2d
private boolean	plot2DFootPrint
private double[]	posTEME
private SGP4SatData	sgp4SatData
private boolean	show3D
private boolean	show3DFootprint
private boolean	show3DName
private boolean	show3DOrbitTrace
private boolean	show3DOrbitTraceECI
(package private) boolean	showGroundTrack
private boolean	showGroundTrack3d
private boolean	showName2D
private double[][]	temePosLag
private double[][]	temePosLead
private String	threeDModelPath
private double	threeDModelSizeFactor
private double[]	timeLag
private double[]	timeLead
private TLE	tle
(package private) double	tleEpochJD
private boolean	use3dModel
private double[]	velTEME

Constructor Summary

SatelliteTleSGP4(String name, String tleLine1, String tleLine2)
Creates a new instance of SatelliteProps - default properties with given name and TLE lines

Method Summary

private double[]	calculateLatLongAltXyz(double ptTime)
double[]	calculateTemePositionFromUT(double julDate) Calculate true-equator, mean equinox (TEME) of date position of this sat at a given JulDateTime (doesn't save the time) - can be useful for event searches or optimization
private void	fillGroundTrack(double lastAscendingNodeTime, double leadEndTime, double lagEndTime)
double	getAltitude()
double	getLatitude() Calculate TEME of date position of this sat at a given JulDateTime (doesn't save the time) - can be useful for event searches or optimization
double[]	getLLA()
double	getLongitude()
double[]	getTEMEPos()
private void	initializeGroundTrack()
private double	latitudeGivenJulianDate(double julDate)
void	propogate2JulDate(double julDate)
private double	secantMethod(double xn_1, double xn, double tol, int maxIter)
void	setShowGroundTrack(boolean showGrndTrk)

Methods inherited from class java.lang.Object

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

Field Detail

tle

private TLE tle

sgp4SatData

private SGP4SatData sgp4SatData

currentJulianDate

double currentJulianDate

tleEpochJD

double tleEpochJD

j2kPos

private double[] j2kPos

j2kVel

private double[] j2kVel

posTEME

private double[] posTEME

velTEME

private double[] velTEME

lla

private double[] lla

plot2d

private boolean plot2d

plot2DFootPrint

private boolean plot2DFootPrint

fillFootPrint

private boolean fillFootPrint

numPtsFootPrint

private int numPtsFootPrint

showGroundTrack

boolean showGroundTrack

grnTrkPointsPerPeriod

private int grnTrkPointsPerPeriod

groundTrackLeadPeriodMultiplier

private double groundTrackLeadPeriodMultiplier

groundTrackLagPeriodMultiplier

private double groundTrackLagPeriodMultiplier

latLongLead

double[][] latLongLead

latLongLag

double[][] latLongLag

temePosLead

private double[][] temePosLead

temePosLag

private double[][] temePosLag

timeLead

private double[] timeLead

timeLag

private double[] timeLag

groundTrackIni

boolean groundTrackIni

showName2D

private boolean showName2D

show3DOrbitTrace

private boolean show3DOrbitTrace

show3DFootprint

private boolean show3DFootprint

show3DName

private boolean show3DName

show3D

private boolean show3D

showGroundTrack3d

private boolean showGroundTrack3d

show3DOrbitTraceECI

private boolean show3DOrbitTraceECI

use3dModel

private boolean use3dModel

threeDModelPath

private String threeDModelPath

threeDModelSizeFactor

private double threeDModelSizeFactor

Constructor Detail

SatelliteTleSGP4

public SatelliteTleSGP4(String name,
                        String tleLine1,
                        String tleLine2)
                 throws Exception

Creates a new instance of SatelliteProps - default properties with given name and TLE lines

Parameters:

name - name of satellite

tleLine1 - first line of two line element

tleLine2 - second line of two line element

Throws:

Exception - if TLE data is bad

Method Detail

propogate2JulDate

public void propogate2JulDate(double julDate)

initializeGroundTrack

private void initializeGroundTrack()

fillGroundTrack

private void fillGroundTrack(double lastAscendingNodeTime,
                             double leadEndTime,
                             double lagEndTime)

calculateLatLongAltXyz

private double[] calculateLatLongAltXyz(double ptTime)

calculateTemePositionFromUT

public double[] calculateTemePositionFromUT(double julDate)

Calculate true-equator, mean equinox (TEME) of date position of this sat at a given JulDateTime (doesn't save the time) - can be useful for event searches or optimization

Parameters:

julDate - - julian date

Returns:

j2k position of satellite in meters

secantMethod

private double secantMethod(double xn_1,
                            double xn,
                            double tol,
                            int maxIter)

latitudeGivenJulianDate

private double latitudeGivenJulianDate(double julDate)

setShowGroundTrack

public void setShowGroundTrack(boolean showGrndTrk)

getLatitude

public double getLatitude()

Description copied from class: AbstractSatellite

Calculate TEME of date position of this sat at a given JulDateTime (doesn't save the time) - can be useful for event searches or optimization

Specified by:

getLatitude in class AbstractSatellite

Returns:

j2k position of satellite in meters

getLongitude

public double getLongitude()

Specified by:

getLongitude in class AbstractSatellite

getAltitude

public double getAltitude()

Specified by:

getAltitude in class AbstractSatellite

getLLA

public double[] getLLA()

getTEMEPos

public double[] getTEMEPos()

Specified by:

getTEMEPos in class AbstractSatellite