You decide the obvious thing is to quickly make an artificial satellite and ride that into space. You and the Moon grab what's available: some twigs, rocks, and a bit of good vibes, and off you go at superorbital speeds. That was really easy, all considered. Looks like this space travel stuff is not exactly rocket science. Well, other than the fact that there's no atmosphere in space so you're having a hard time dissipating the heat from your satellite. Yes, that's a real thing and hot satellites are a real problem, but luckily you have just the solution: