Adam Hibberd
Below is a plot that expresses how much ‘DeltaV’ or in other words, ‘change in velocity’ would be needed to be applied to the asteroid Apophis, at different times along its path, so as to send it careering catastrophically into the Earth on Friday the 13th of April 2029, instead of missing it by around 31,000 km, as it is very likely to do. The Apocalypse Plot is attached.
If you are concerned for my sanity at this point, please do not be; there is method in the madness, go to my article for Principium, ‘Rise of the Serpent God’, here:

Alternatively read the article below:
The best trajectory a SpaceX Starship could take to budge Apophis off course is animated below: