org.orekit.propagation.analytical.gnss

Interface GPSOrbitalElements

All Superinterfaces:

TimeStamped

All Known Implementing Classes:

GPSAlmanac

public interface GPSOrbitalElements
extends TimeStamped

This interface provides the minimal set of orbital elements needed by the GPSPropagator.

Since:

8.0

Author:

Pascal Parraud

See Also:

GPS Interface Specification

Field Summary

Fields

Modifier and Type	Field and Description
static double	GPS_MU WGS 84 value of the Earth's universal gravitational parameter for GPS user in m³/s².
static double	GPS_PI Value of Pi for conversion from semicircles to radian.
static double	GPS_WEEK_IN_SECONDS Duration of the GPS week in seconds.
static int	GPS_WEEK_NB Number of weeks in the GPS cycle.

Method Summary

Modifier and Type	Method and Description
double	getCic() Gets the Amplitude of the Cosine Harmonic Correction Term to the Angle of Inclination.
double	getCis() Gets the Amplitude of the Sine Harmonic Correction Term to the Angle of Inclination.
double	getCrc() Gets the Amplitude of the Cosine Harmonic Correction Term to the Orbit Radius.
double	getCrs() Gets the Amplitude of the Sine Harmonic Correction Term to the Orbit Radius.
double	getCuc() Gets the Amplitude of the Cosine Harmonic Correction Term to the Argument of Latitude.
double	getCus() Gets the Amplitude of the Sine Harmonic Correction Term to the Argument of Latitude.
double	getE() Gets the Eccentricity.
double	getI0() Gets the Inclination Angle at Reference Time.
double	getIDot() Gets the Rate of Inclination Angle.
double	getM0() Gets the Mean Anomaly at Reference Time.
double	getMeanMotion() Gets the Mean Motion.
double	getOmega0() Gets the Longitude of Ascending Node of Orbit Plane at Weekly Epoch.
double	getOmegaDot() Gets the Rate of Right Ascension.
double	getPa() Gets the Argument of Perigee.
int	getPRN() Gets the PRN number of the GPS satellite.
double	getSma() Gets the Semi-Major Axis.
double	getTime() Gets the Reference Time of the GPS orbit as a duration from week start.
int	getWeek() Gets the Reference Week of the GPS orbit.

Methods inherited from interface org.orekit.time.TimeStamped

getDate

Field Detail

GPS_MU

static final double GPS_MU

WGS 84 value of the Earth's universal gravitational parameter for GPS user in m³/s².

See Also:

Constant Field Values

GPS_PI

static final double GPS_PI

Value of Pi for conversion from semicircles to radian.

See Also:

Constant Field Values

GPS_WEEK_IN_SECONDS

static final double GPS_WEEK_IN_SECONDS

Duration of the GPS week in seconds.

See Also:

Constant Field Values

GPS_WEEK_NB

static final int GPS_WEEK_NB

Number of weeks in the GPS cycle.

See Also:

Constant Field Values

Method Detail

getPRN

int getPRN()

Gets the PRN number of the GPS satellite.

Returns:

the PRN number of the GPS satellite

getWeek

int getWeek()

Gets the Reference Week of the GPS orbit.

Returns:

the Reference Week of the GPS orbit within [0, 1024[

getTime

double getTime()

Gets the Reference Time of the GPS orbit as a duration from week start.

Returns:

the Reference Time of the GPS orbit (s)

getSma

double getSma()

Gets the Semi-Major Axis.

Returns:

the Semi-Major Axis (m)

getMeanMotion

double getMeanMotion()

Gets the Mean Motion.

Returns:

the Mean Motion (rad/s)

getE

double getE()

Gets the Eccentricity.

Returns:

the Eccentricity

getI0

double getI0()

Gets the Inclination Angle at Reference Time.

Returns:

the Inclination Angle at Reference Time (rad)

getIDot

double getIDot()

Gets the Rate of Inclination Angle.

Returns:

the Rate of Inclination Angle (rad/s)

getOmega0

double getOmega0()

Gets the Longitude of Ascending Node of Orbit Plane at Weekly Epoch.

Returns:

the Longitude of Ascending Node of Orbit Plane at Weekly Epoch (rad)

getOmegaDot

double getOmegaDot()

Gets the Rate of Right Ascension.

Returns:

the Rate of Right Ascension (rad/s)

getPa

double getPa()

Gets the Argument of Perigee.

Returns:

the Argument of Perigee (rad)

getM0

double getM0()

Gets the Mean Anomaly at Reference Time.

Returns:

the Mean Anomaly at Reference Time (rad)

getCuc

double getCuc()

Gets the Amplitude of the Cosine Harmonic Correction Term to the Argument of Latitude.

Returns:

the Amplitude of the Cosine Harmonic Correction Term to the Argument of Latitude (rad)

getCus

double getCus()

Gets the Amplitude of the Sine Harmonic Correction Term to the Argument of Latitude.

Returns:

the Amplitude of the Sine Harmonic Correction Term to the Argument of Latitude (rad)

getCrc

double getCrc()

Gets the Amplitude of the Cosine Harmonic Correction Term to the Orbit Radius.

Returns:

the Amplitude of the Cosine Harmonic Correction Term to the Orbit Radius (m)

getCrs

double getCrs()

Gets the Amplitude of the Sine Harmonic Correction Term to the Orbit Radius.

Returns:

the Amplitude of the Sine Harmonic Correction Term to the Orbit Radius (m)

getCic

double getCic()

Gets the Amplitude of the Cosine Harmonic Correction Term to the Angle of Inclination.

Returns:

the Amplitude of the Cosine Harmonic Correction Term to the Angle of Inclination (rad)

getCis

double getCis()

Gets the Amplitude of the Sine Harmonic Correction Term to the Angle of Inclination.

Returns:

the Amplitude of the Sine Harmonic Correction Term to the Angle of Inclination (rad)