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I am trying to figure out how to calculate how to return from a moon to the parent planet. How do I know where on the orbit around the moon to burn, and how much delta-v is required?

So I am trying to find out how to calculate the delta-v required to get into an orbit with a desired periapsis around a planet when coming from a hyperbolic orbit, and my googlin' has failed me thusfar. Does anyone know how to do that?

So, been a lurker for some time. I messed around with Orbiter doing some Apollo stuff, some many months ago. Picked it back up about a month ago and been flying by the seat of my pants, learning as I go. I'm pleased with how I've been doing so far, actually. I thought it might be time to...