Package gaiasky.util.gaia
Class EquatorialAnglesRates
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- gaiasky.util.gaia.AbstractAttitudeAnglesRates
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- gaiasky.util.gaia.EquatorialAnglesRates
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public class EquatorialAnglesRates extends AbstractAttitudeAnglesRates
A compound object for holding equatorial angles and their rates as per Fig. 4 in GAIA-C3-TN-LU-085.
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Field Summary
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Fields inherited from class gaiasky.util.gaia.AbstractAttitudeAnglesRates
anglesRates
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Constructor Summary
Constructors Constructor Description EquatorialAnglesRates()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description double
getAlphaZ()
Get the right ascension of the SRS z axis - this is the first equatorial attitude angledouble
getAlphaZDot()
Get the time derivative of the right ascension of the SRS z axisdouble
getDeltaZ()
Get the declination of the SRS z axis - this is the second equatorial attitude angledouble
getDeltaZDot()
Get the time derivative of the declination of the SRS z axisdouble
getPsi()
Get the equatorial spin phase angle, psi (from the ascending node on the equator to the SRS x axis) - this is the third equatorial attitude angledouble
getPsiDot()
Get time derivative psiDot of the the equatorial spin phase angle-
Methods inherited from class gaiasky.util.gaia.AbstractAttitudeAnglesRates
setFirstAngle, setFirstPair, setFirstRate, setSecondAngle, setSecondPair, setSecondRate, setThirdAngle, setThirdPair, setThirdRate
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Method Detail
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getAlphaZ
public double getAlphaZ()
Get the right ascension of the SRS z axis - this is the first equatorial attitude angle- Returns:
- right ascension of the z axis [rad]
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getAlphaZDot
public double getAlphaZDot()
Get the time derivative of the right ascension of the SRS z axis- Returns:
- time derivative of the right ascension of the z axis [rad/day]
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getDeltaZ
public double getDeltaZ()
Get the declination of the SRS z axis - this is the second equatorial attitude angle- Returns:
- declination of the z axis [rad]
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getDeltaZDot
public double getDeltaZDot()
Get the time derivative of the declination of the SRS z axis- Returns:
- time derivative of the declination of the z axis [rad/day]
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getPsi
public double getPsi()
Get the equatorial spin phase angle, psi (from the ascending node on the equator to the SRS x axis) - this is the third equatorial attitude angle- Returns:
- equatorial spin phase [rad]
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getPsiDot
public double getPsiDot()
Get time derivative psiDot of the the equatorial spin phase angle- Returns:
- time derivative of the equatorial spin phase [rad/day]
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