Tyyr wrote:The biggest problem with Scotty's analogy is the blind fold. When you're doing this you know the precise location, velocity, acceleration, etc. of both the launch point, the target, and the vehicle. You have the ability to make mid course targeting adjustments. You have plenty of time to plan out every little detail. For a deep space interception like this is all just math, and not even particularly difficult math.
And in the end an impactor is just about the dumbest way to do this regardless.
For what it is worth this is also true for Ballistic Missile Interception. The math of hitting on target moving in a straight line is not difficult. It all comes down to engineering and systems integration. The speed simply makes it more difficult as it compresses the response time.
With an asteroid you have a very large taget and all the time in the world to plan.