Trip planner to Kerbin Low Orbit

[Thoaren]

Hi,

I just want to go to low orbit and back. How can i select this in the trip planner?

Greetings,

Thoaren

[The Aziz]

Select anything. You'll see the same value for low orbit every time. 

Buut remember that you only need a tiny bit of fuel to get back thanks to the atmo. If you pack 4000 you'll have more than enough even with terrible launch profile.