Working with Ephemerides

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This section covers the following topics about using an Ephemeris to propagate a Spacecraft object:


Creating an Ephemeris File

Importing an Ephemeris File

Accessing Data in an Ephemeris

Using a Broadcast Ephemeris

Using a SPICE Ephemeris


For more information on creating ephemeris files from FreeFlyer, see the Put command page and the Ephemerides and Attitude History Files reference in the Appendix.


The following Sample Mission Plans (included with your FreeFlyer installation) demonstrate the use of ephemerides in FreeFlyer: