Returns the name of the central body of any object
CentralBody_R <ApplicationPath> <ObjectPath>
The CentralBody_R Connect command allows you to find out the name of the central body being used for any object (the default is Earth).
To find out the central body of ESRI satellite:
CentralBody_R / */Satellite/ESRI
Earth
This command belongs to the following group(s):
10.0.2
STK Programming Interface 11.0.1