It's a combination. In this case the interceptor is basically standing still. The satellite hits the interceptor is a better way of thinking about it. So most d

It's a combination. In this case the interceptor is basically standing still. The satellite hits the interceptor is a better way of thinking about it. So most debris will be lower or at the orbit of the satellite, but still this was much better than the Chinese satellite that was blown up as the low orbit means most of these debris should de-orbit in the coming few years rather than the Chinese satellite debris that will be up there for decades or centuries.