Bravo! A tremendously successful experiment!
Changing the asteroid's orbit from 11h 55m to 11h 23m is startling! Stunning! (Reporting on the exact change in orbit has varied by a minute or two from different sources.) One can easily extrapolate that had this rock been heading toward earth it would have been swatted completely out of the way.
This is only the first of many such experiments, but certainly the entire human race can take heart in knowing if a civilization killer was heading our way and we had enough lead time, we have a tested potential tool in our bag to upscale and handle it. Well done NASA and international partners!