Precession transformation matrix based
on the IAU 1976 theory of precession. Used to convert from the mean
of J2000 reference axes to the Mean of Date axes.
| Name |
Dimension |
Type |
Description |
| Time |
DateFormat |
Real Number |
Time. |
| Elem[0][0] |
Unitless |
Real Number |
The element in the first row and first column of
the transformation matrix. |
| Elem[0][1] |
Unitless |
Real Number |
The element in the first row and second column of
the transformation matrix. |
| Elem[0][2] |
Unitless |
Real Number |
The element in the first row and third column of
the transformation matrix. |
| Elem[1][0] |
Unitless |
Real Number |
The element in the second row and first column of
the transformation matrix. |
| Elem[1][1] |
Unitless |
Real Number |
The element in the second row and second column of
the transformation matrix. |
| Elem[1][2] |
Unitless |
Real Number |
The element in the second row and third column of
the transformation matrix. |
| Elem[2][0] |
Unitless |
Real Number |
The element in the third row and first column of
the transformation matrix. |
| Elem[2][1] |
Unitless |
Real Number |
The element in the third row and second column of
the transformation matrix. |
| Elem[2][2] |
Unitless |
Real Number |
The element in the third row and third column of
the transformation matrix. |
| 1 - Elem[0][0] |
Unitless |
Real Number |
Value equal to one minus the value of the element
in the first row and first column of the transformation
matrix. |
| 1 - Elem[1][1] |
Unitless |
Real Number |
Value equal to one minus the value of the element
in the second row and second column of the transformation
matrix. |
| 1 - Elem[2][2] |
Unitless |
Real Number |
Value equal to one minus the value of the element
in the third row and third column of the transformation
matrix. |