Direction in which to clear ephemeris.
| Member | Value | Description |
|---|---|---|
| eVAClearEphemerisBefore | -1 | Clear ephemeris before selected time or state. |
| eVAClearEphemerisNoClear | 0 | Do not clear ephemeris. |
| eVAClearEphemerisAfter | 1 | Clear ephemeris after selected time or state. |





