Supported Coordinate Systems
Click the name of the frame for its description.
| Central Body Frame |
Earth
|
Moon
|
Sun
|
All Others
|
|---|---|---|---|---|
| ICRF |
Y
|
Y
|
Y
|
Y
|
| J2000 |
Y
|
Y
|
Y
|
Y
|
| Inertial |
Y*
|
Y
|
Y*
|
Y
|
| Fixed |
Y
|
Y
|
Y
|
Y
|
| TrueOfDate |
Y
|
Y
|
Y
|
Y
|
| TrueOfEpoch |
Y
|
Y
|
Y
|
Y
|
| MeanOfDate |
Y
|
Y
|
Y
|
Y
|
| MeanOfEpoch |
Y
|
Y
|
|
|
| TEMEOfDate |
Y
|
|
|
|
| TEMEOfEpoch |
Y
|
|
|
|
| B1950 |
Y
|
|
|
|
| AlignmentAtEpoch |
Y
|
|
|
|
| MeanEarth |
|
Y
|
|
|
| PrincipalAxes_403 |
|
Y
|
|
|
| PrincipalAxes_421 | Y |
|||
| PrincipalAxes_430 |
|
Y
|
|
|
| PrincipalAxes_440 |
|
Y
|
|
|
| Fixed_IAU2003 |
|
Y
|
|
|
| Fixed_NoLibration |
|
Y
|
|
|
| ITRF | Y | |||
| ITRFYYYY** | Y | |||
| J2000_Ecliptic |
|
|
Y
|
|
| EclipticJ2000ICRF | Y | |||
| TrueEclipticOfDate |
|
|
Y
|
|
Y* - The Inertial frame for the Earth and the Sun is ICRF; these bodies do not have a separate system named Inertial.
YYYY** - ITRFYYYY refers to a set of ITRF frames specified by a four-digit year (e.g., ITRF2020, ITRF2014, ITRF2000, etc.). When the central body is Earth, these frames are available for import and export of external data but not for reporting. For a list of specific ITRFYYYY frames that the Ansys Orbit Determination Tool Kit (ODTK�) application supports, see the text file ITRFDefns.txt located in C:\ProgramData\AGI\STK_ODTK 13\DynamicEarthData.