pioneerspacesim/pioneer — pull request #3079 by dvolk (2014-07-23 17:54:21+00:00)
Title: Add orbital transfer planner to system view

It's very basic but functional. You can add/remove/reset prograde/normal/radial velocity and see how it changes your orbit.

If the planned velocity changes aren't zero, it draws a blue indicator in world view of where you need to orient for the burn.

screenshot: https://i.imgur.com/U3On5RP.png

icons by nozmajner @ #pioneer