The mean equator mean equinox coordinate
system evaluated at the J2000.0 epoch (2000 January 1.5 = JD
2451545.0 TDB).
| Name |
Dimension |
Type |
Description |
| Time |
DateFormat |
Real Number |
Time. |
| q1 |
Unitless |
Real Number |
First element of quaternion (and of its vector
part) representing orientation between the two sets of axes. |
| q2 |
Unitless |
Real Number |
Second element of quaternion (and of its vector
part) representing orientation between the two sets of axes. |
| q3 |
Unitless |
Real Number |
Third element of quaternion (and of its vector
part) representing orientation between the two sets of axes. |
| q4 |
Unitless |
Real Number |
Fourth element of quaternion (its scalar part)
representing orientation between the two sets of axes. |