I have just been informed by Brian, thanks by the way, that wrecks tend to wander around (sometimes they orbit, sometimes they move somewhat random)
Now, I had my ships there, picking up survivors and marked the wrecks with waypoints on the system map, but because of the wrecks movement, I still can´t find them without some major effort.
Would it be possible to have a ship ordered to put a transponder or something on a wreck, so it would show on the system map, regardless of active scans? I mean, with the system secured, I sure would have done something like this in real life.