Me too! In mine, space is utopian, but unlike Elysium, it is not just for the rich, but earth is in a cold war between three empires. The technology level for space travel is better than today, but not nearly like in the expanse. There are nuclear gas core engines, where a plasma vortex of uranium hexafloride is used to expel hydrogen with 5000 isp(I've been using project rho a lot(thanks @nyrath)). There are M.O.O.S.E.S.
Using googles NGRAM search, I also learned my book is the first to use the word "ullage". I'm not going to say any plot details.