Try to find the Maneuver Prograde (icon listed above) on it, indicating your maneuver direction. Now, press M to return to the third person view of your ship. Once the Periapsis is above 70KM, you’ll be able to establish a stable orbit. You’ll then see a Periapsis appear on the far side of the planet. To achieve this, you need to drag the Prograde marker out until you see your intended orbit begin to circularize. This will allow you to create a maneuver node, which will show you in what direction you need to thrust, in this case, to create a circular orbit. Now that you have a sufficiently high Apoapsis, stay on your map screen and click on the Apoapsis marker on your flight trajectory. If you continue to burn, you'll end up on an escape trajectory. It’s very important not to waste any fuel in KSP. Once you see the Apoapsis reach greater than 70KM, you can cut your engines by pressing the X key. You may have to zoom in a good bit to see it initially as it will be quite low shortly after takeoff. You can track this by pressing the M key to bring up your map which will display your Apoapsis. To do this, you’ll first need to build up enough Delta-V to raise your Apoapsis to just above 70KM. In order to establish an orbit around the planet Kerbin, you need to leave its atmosphere and reach a minimum height of 70KM on your Periapsis. Polar Orbit : This describes an orbit which follows vertically from pole to pole on the planet you are orbiting.Įccentric Orbit : An eccentric orbit is a diagonal orbit in which your orbit crosses from one hemisphere in to another.ĭelta-V : Is a measure of the amount of "effort" that is needed to change from one trajectory to another by making an orbital maneuver Periapsis : This is the point in your orbit at which you are closest to the body which you are orbiting.Ĭircular Orbit : This describes an orbit where the Apoapsis and Perapsis are equal (or very close).Įquatorial Orbit : This describes an orbit which follows horizontally along the planets equator. Navball : Shows the direction of your craft in relation to the nearest stellar bodies gravitational force.Īpoapsis : This is the point in your orbit at which you are furthest away from the body which you are orbiting. Target Retrograde : Burning in this direction will lower your speed towards a target object, increasing the distance between you and the target. Target Prograde : Burning in this direction will increase your speed towards a target object, lowering the distance between you and the target. Level Indicator : This shows the level of your craft on the Navball. Maneuver Prograde: This is the direction in which you must 'burn' to carry out your pre-programmed maneuver. Retrograde : This is the direction that you would currently need to accelerate in if you wanted to decrease your orbital altitude. Prograde : This is the direction that you would currently need to accelerate in if you wanted to increase your orbital altitude. Once you’re able to do this, it doesn't take a whole lot more to get out to the Mun or even the other planets in the Kerbin Solar system.īefore we start building rockets able to get to the minimum orbital altitude of 70KM, I want to explain a few phrases and icons that are used in real space flight and also here in KSP. Today we’re going to cover getting in to space and creating a stable orbit. In the first edition of our Kerbal Space Program guide, we showed you the very basics of building a rocket and getting off the ground.
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