how would it impact the fun of the game if they weren't?
I mentioned this in another comment, but if they moved you would have to manually update bookmarks to warp to those locations as they drifted, annoying.
Because fairly few players want to update space coordinates of hundreds of objects as a daily chore
I mentioned this in another comment, but if they moved you would have to manually update bookmarks to warp to those locations as they drifted, annoying.