Get Into A Polar Kerbol Orbit

[Nicodo123]

Is this impossible? I don't know!

[jimmymcgoochie]

It’s entirely possible but requires either a) a lot of delta-V or b) less delta-V but a lot of game time. Either you just burn normal/anti-normal at your ascending or descending node in solar orbit until you hit 90 degrees or you burn waaaaay out so your apoapsis is beyond Jool’s orbit, then burn normal/anti-normal at your ascending or descending node until you get to 90 degrees; gravity assists from various planets but especially Eve and Jool can make this route cheaper in terms of delta-V but it’ll take a long time to complete.

[jinnantonix]

An interesting challenge might be to get a payload (eg a scanner) to Kerbol polar orbit with Pe > Moho and Ap < Jool for lowest cost.

[camacju]

On 6/9/2021 at 9:29 AM, jinnantonix said:

An interesting challenge might be to get a payload (eg a scanner) to Kerbol polar orbit with Pe > Moho and Ap < Jool for lowest cost.

Here's my entry: 3445 funds

Launch

Spoiler

Pre tilted booster

Coast to apoapsis

Circularization

Gravity assists

Spoiler

Exhausting the remaining fuel in the top tank for the Eve transfer

Finishing Eve transfer

I use K-E-K-E-K-J route since it's a lot easier to set up than spamming Mun assists to get to Eve or waiting for a good K-E-K-K-J window

Eve flyby

Kerbin flyby

Second Eve and Kerbin assists set up

Eve flyby

Kerbin flyby

Jool encounter

Final orbit setup

Spoiler

The Jool encounter gave me about 48 degrees of inclination so I have to use rocket thrust to do the rest

One final maneuver to lower the apoapsis below Jool

Final orbit: