Let’s say that I know precisely where the AstroTracker is - X,Y,Z all within ~ 1 centimeter, and my goal is to point a laser in a specific vector from the base,

Let’s say that I know precisely where the AstroTracker is - X,Y,Z all within ~ 1 centimeter, and my goal is to point a laser in a specific vector from the base, how accurately could I do that?