> If you do play kerbal you know that getting a big circular orbit to become a very eccentric one (if you don’t care about reentry speed which is a feature here

> If you do play kerbal you know that getting a big circular orbit to become a very eccentric one (if you don’t care about reentry speed which is a feature here) is pretty cheap No its not?! Simply getting a flyby from one planetary orbit to another is exactly the kind of expensive that I'm talking about, and thats basically what you get on impact.