Hi, I manage to do interplanetary transfers quite reliably with close to optimal dV (according to http://ksp.olex.biz/), but the problem is that when I get to the destination planet's SOI, I'am very far away and then I need to burn much fuel to get to orbit. For example, when I get to Duna's SOI I'm usually somewhere between 30 and 40 million kilometers away and then I need to burn over 1k dV to to the atmosphere to perform aerobraking. I'm guessing that I should do some corrections before I get into SOI, but at which point? Also, it seems that maneuver planner does not work correctly when successive revolutions trajectories are close together but not exactly the same, so it makes it difficult to plan any corrections before entering the SOI. Any tips?