This attribute allows you to have all other objects animated so that they appear at the proper position for the time being computed as the trajectory is calculated.
Astrogator <Satellite Object Path> SetValue UpdateAllObjects <Boolean>
Set this attribute to true to animate all objects other than the vehicle being computed; otherwise, set it to false. Either of the Draw Trajectory options (Dynamic Draw 2D/3D) must be set to true for this attribute to be effective.
Astrogator */Satellite/Satellite1 SetValue UpdateAllObjects true
STK Programming Interface 11.0.1