![]() ![]() ![]() The best moment to perform this maneuver is usually when you are furthest away from Mun.Ĭongratulations, you are now on a trajectory toward Duna, or at least on an orbit that can get to it! You could use a similar trick with Ike to escape Duna. So perform another correction maneuver which leads you to another close Mun fly-by and again try to pass it as close as possible.The Mun hasn't yet given you all the speed it can. When you check the map you will notice that you are on a much wider orbit than you were before the Mun fly-by (likely with an apoapsis beyond Minmus orbit), but it's not a Kerbin escape trajectory yet.Accelerate time until you left the SoI of the Mun.Also watch the declination of your trajectory - when it gets too high it will be problematic. When you pass in front of Mun, you will lose speed instead of gaining it. Your Mun periapsis needs to be behind Mun on Muns trajectory. The maneuver is more effective when you are close, so try to pass the Mun as close as possible without colliding. Now plan another course correction maneuver. ![]() Accelerate time until you reach the sphere of influence of the Mun.In this case we want to get further way from the sun, so do it when the Mun is going in that direction - the moment it intersects the orbit of Kerbin. Arrange for a fly-by with the Mun just like you learned in the "Going to the Mun" ingame tutorial, but arrange for it to happen while the Mun is heading into the direction you want to go.Zoom out so you can see the orbit of Kerbin around the sun.Get your ship into a circular Low Kerbin Orbit.This will save you fuel for several hundred m/s of delta-v. With this method we will just have to get to the Mun orbit (12 million meters). Usually you need to raise your apoapsis to 85 million meters to escape from Kerbin. In example one, we will leave from Kerbin to a trajectory to Duna by performing a gravity assist around the Mun. ![]()
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