Efficient Polar, Kerbolar orbit?

[Chilkoot]

Not sure if this is in the right forum...

I want to place a couple of comms relays in highly elliptical, polar orbits around Kerbol (Sun).  Does anyone know the most efficient way to establish that orbit?  Should I start with an equatorial orbit and burn from there like I want to capture Moho/Eve, then change inclination?   Or should I launch directly into a polar orbit around Kerbin and then escape that SOI and Hohmann on over to Kerbol maintaining a high inclination right from launch?

My gut's telling me to launch due north out of the gate but I'm wondering if there's a more efficient way to do it.

[Guest]

Slingshot around Jool. You won’t get much plane change whichever way you eject from Kerbin, your velocity will be so much less than Kerbin’s orbital velocity (9,250 m/s).

[Chilkoot]

3 minutes ago, Periple said:

Slingshot around Jool. You won’t get much plane change whichever way you eject from Kerbin, your velocity will be so much less than Kerbin’s orbital velocity (9,250 m/s).

Yeah, even with a polar launch trajectory, the plane change is only a few degrees.  Jool it is!

[Guest]

Happy launchings! 

[The Aziz]

Basic rule of inclination change. The further you are from parent body, the cheaper it is. 

You could go as far as the game allows and burn at the AP but that will take dozens of years or more. Jool, while a bit closer to the star, can give you a significant boost if you plan it right.

Edited March 12, 2023 by The Aziz

[lemon cup]

To be fair, we KSP players didn’t exactly come up with the idea 

https://en.m.wikipedia.org/wiki/Ulysses_(spacecraft)

“It arrived at Jupiter on 8 February 1992 for a swing-by maneuver that increased its inclination to the ecliptic by 80.2°. The giant planet's gravity bent the spacecraft's flight path southward and away from the ecliptic plane.”

[Vanamonde]

This question about how to play the game has been moved to Gameplay Questions.