If you want unlimited transwarps to jump anyway in the entire game instantly without any cooldowns, just go into the missions section of the game, pick replay a mission that is near where you want to go, make it primary, then in your mission box just under the map at the top right, click on the little circle clock like thing that is next to mission you just made primary, and away you go.....and once you are done you can just drop said mission to keep your "in progress" tab clear and unclutered.
This is great for jumping around the place to do your endevs daily in moments, it has been years since i traversed open space from system to system, or looked at the limited