Sounds great, what could go wrong?
Next eyesore...large plastic bags and rubber nets floating around in space.
Lucifer’s Hammer by Larry Niven and Jerry Pournelle...
A bit dated (written in the 1970s), but deals with the effects of an asteroid strike and the ordeal survivors face...
Survive the strike, then deal with the feral survivors who see you and yours as prey...
De-orbiting a giant space rock onto you adversary would be a powerful weapon...
Piece of cake.