The Coordinate System of the file.
| Member | Value | Description |
|---|---|---|
| eStkEphemCoordinateSystemFixed | 0 | Fixed reference frame. |
| eStkEphemCoordinateSystemInertial | 1 | Inertial reference frame. |
| eStkEphemCoordinateSystemJ2000 | 2 | J2000 reference frame. |
| eStkEphemCoordinateSystemICRF | 3 | ICRF reference frame. |





