To keep track of every asteroid in the solar system, the first thing I'd do is put a tracker on each one of them, over a certain size. With that done, maybe yo

To keep track of every asteroid in the solar system, the first thing I'd do is put a tracker on each one of them, over a certain size. With that done, maybe you don't even need separate man made probes. Not sure how hard making and tracking those trackers would be.