These coordinates are defined by the user by specifying the location of a spherical coordinate pole and prime meridian in J2000 coordinates, and, optionally, the first and second time derivatives of these locations.
![$\textstyle \parbox{6.25in}{
\begin{description}
\item [proc.udlong]~~~
\beg...
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\item[YGOR to GO mapping:]
}{}
\end{description} \end{description}}$](img241.png)
![$\textstyle \parbox{6.25in}{
\begin{description}
\item [proc.udlat]~~~
\begi...
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\end{description} \end{description}}$](img242.png)
![$\textstyle \parbox{6.25in}{
\begin{description}
\item [proc.udlongrate]~~~
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\end{description} \end{description}}$](img243.png)
![$\textstyle \parbox{6.25in}{
\begin{description}
\item [proc.udlatrate]~~~
\...
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\item[YGOR to GO mapping:]
}{}
\end{description} \end{description}}$](img244.png)
![$\textstyle \parbox{6.25in}{
\begin{description}
\item [proc.udlonglength]~~~ ...
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\item[YGOR to GO mapping:]
}{}
\end{description} \end{description}}$](img245.png)
![$\textstyle \parbox{6.25in}{
\begin{description}
\item [proc.udlatlength]~~~
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\item[YGOR to GO mapping:]
}{}
\end{description} \end{description}}$](img246.png)
![$\textstyle \parbox{6.25in}{
\begin{description}
\item [proc.udlongstep]~~~
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\item[YGOR to GO mapping:]
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\end{description} \end{description}}$](img247.png)
![$\textstyle \parbox{6.25in}{
\begin{description}
\item [proc.udlatstep]~~~
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\item[YGOR to GO mapping:]
}{}
\end{description} \end{description}}$](img248.png)
![$\textstyle \parbox{6.25in}{
\begin{description}
\item [proc.udlongpoints]~~~ ...
...ter:]
\item[YGOR to GO mapping:]
}{}
\end{description} \end{description}}$](img249.png)
![$\textstyle \parbox{6.25in}{
\begin{description}
\item [proc.udlatpoints]~~~
...
...ter:]
\item[YGOR to GO mapping:]
}{}
\end{description} \end{description}}$](img250.png)
![$\textstyle \parbox{6.25in}{
\begin{description}
\item [proc.udlongoffset]~~~ ...
...nge:]
\item[YGOR to GO mapping:]
}{}
\end{description} \end{description}}$](img251.png)
![$\textstyle \parbox{6.25in}{
\begin{description}
\item [proc.udlatoffset]~~~
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\item[YGOR to GO mapping:]
}{}
\end{description} \end{description}}$](img252.png)
![$\textstyle \parbox{6.25in}{
\begin{description}
\item [proc.secantudlat]~~~
...
...ues:]
\item[YGOR to GO mapping:]
}{}
\end{description} \end{description}}$](img253.png)