Opens via Tools › Calculate Relative Coordinates.
A read-only information tool that calculates the distance and orientation from one object to another. Select an origin object from the left list and a satellite object from the right list; the distance and P/B/H angles from the origin to the satellite are displayed instantly. Angles are expressed in the origin object's local coordinate frame. Both lists include ships and waypoints. If two objects are already selected in the viewport when the dialog opens, they are pre-selected as origin and satellite.
The dialog does not modify the mission in any way.