[ianai]

I’ve got no experience with this stuff. Is it possible to model asteroid redirection in KSP or something similar?

One oddball idea I wonder about is turning suitable asteroids into something like an O’Neil cylinder. They offer lots of mass that you don’t need to haul up and could be resourceful. Seems the mass would help with radiation hazards. Gravity could be simulated by spinning them through traditional means. I’m talking about hollowing them out.

[gnulinux]

There is even a KSP tutorial for asteroid redirection. Stock game is designed with task in mind.

[Metacelsus]

>Is it possible to model asteroid redirection in KSP or something similar?

Yes, you can do it in KSP.