AstroGrav iconAstroGrav Help /Menus /Tools /Generate EphemerisVersion 3.4.1

Tools / Generate Ephemeris   ('Tools / Generate Ephemeris' icon)

Operating Systems: All
Window Types: All
Simulation Types: Solar system only

Summary

Generates an ephemeris for an object in the frontmost simulation while it is evolving.

Description

When you select this command, a new ephemeris window will be opened in the frontmost simulation. If there was an object selected in the original window, then the new ephemeris window will automatically default to this object. If there was no object selected in the original window, then the new ephemeris window will show an input dialog in which you can type the name of the object whose ephemeris you want to generate. This input dialog and its behaviour are identical to the input dialog displayed when you use the Edit / Find... command.

The ephemeris window contains the following components.

Having chosen the required target object and viewpoint, you then use one of the commands in the Evolve menu to run the simulation and generate the ephemeris. You get one row of the ephemeris for each time step, so you might first want to use the Evolve / Settings... command to change the time step.

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