It's out of reach and they aren't going to chase after it. It will return, but it might not return within arm's reach and they sure aren't going to sit out there and wait for it to return.
I think we're talking past each other here. An hour and a half from now, the bolt will still be in the vicinity of the ISS, but may semi-stabilize over time into the periodic relationship you've described, until drag deorbits it. Yes?