Information about the Planetary
Ephemeris used in STK.
Name |
Dimension |
Type |
Description |
Source |
Unitless |
Text |
Planetary Ephemeris data file type (i.e. JPL) and
the actual files (i.e. DE430/LE430). |
Start Date |
DateFormat |
Real Number |
Start date of the ephemeris data in the source
ephemeris file. |
End Date |
DateFormat |
Real Number |
Last date of the ephemeris data in the source
ephemeris file. |
Contains
Nutation |
Unitless |
Text |
Flag on whether or not Nutation is accounted for in
the ephemeris data file. |
Contains
Librations |
Unitless |
Text |
Flag on whether or not Librations are accounted for
in the ephemeris data file. |