Still gives you a full minute to steer around something. But probably requires some automated system to decide on "collision or not" because that would be hard

Still gives you a full minute to steer around something. But probably requires some automated system to decide on "collision or not" because that would be hard to do on time manually at such a distance. If you start steering 30 seconds after detecting an object you would still be 5+ km away, so assuming a ship is at most 200m long you would only need a 3 degree course change to miss it by more than a ships length. Maybe make it 5 degrees to miss it by 400+ meters.