Launch window calculator

[Pawelk198604]

Does is any calculator that help my plot curse using gravity assist

I made several flight to Duna, Two update ago i make even Kerballed flight to Eve and back, but when Kerbal become mortal, i become more worry;-)

I want send probe to Jol, i do this several time before. But i was wondering how utilize gravity assist, using lets we say. Duna as gravity help, to make flight more economical.

[42undead2]

Kerbal Engineer.

[numerobis]

http://alexmoon.github.io/ksp/

This is the best one I know of yet; it's a vast improvement on the already very useful calculator by Olex.

[Pawelk198604]

http://alexmoon.github.io/ksp/

This is the best one I know of yet; it's a vast improvement on the already very useful calculator by Olex.

I know both of them. I'm just mathematical dump and try to make flight to Jool as cheap as possible:D

[Sandworm]

There are no calculators that will predict a course with multiple encounters because such situations are just too rare. Would anyone want a calculator that said "the next launch window for kerbin->Jool via Duna occurs in 21 years".

The best, most convenient, way to plan these things is to establish the gravity assist encounter and then play around with a maneuver node at periapsis until you establish an orbit intercepting that of your destination. Once you have that, wait on warp until you get a close encounter you can work with.

[numerobis]

Actually, I'd love such a calculator. For instance, when's the first window for a Kerbin-Mun assist to get to Eve, where I do a powered assist to get to Jool. That could drop over 500 m/s off the cost of flying to Laythe.

And then: when is the next window after arrival from the prior window to go home via Laythe-Tylo-Kerbin.

[Specialist290]

Arrowstar's Trajectory Optimization Tool has a gravity assist planner as a feature, I believe. I haven't used it much, but it's a nifty feature to have.

[Pawelk198604]

http://alexmoon.github.io/ksp/ Is really cool i made flight to Jool using using only 2500 Dv :-)

I made my flight at Jool phase angle 102 degrees, while i launched earlier that perfect launch window

I inserted probe on Jool orbit but lost almost whole fuel, maybe next time i add Ion drive:)

[MalfunctionM1Ke]

I recommend Kerbal Alarm Clock. It sets Dates and timers when to kill warp, so you can tell it to kill warp at the next maneuver node or when a given Planet is in the right spot.

But when it come to planetary Transfers you have to check +-1 or 2 days before the Transfer window. Because of the Inclination and Excentricities of the Planets, it is more like an estimate.

Edited December 27, 2013 by MalfunctionM1Ke

[Pawelk198604]

I recommend Kerbal Alarm Clock. It sets Dates and timers when to kill warp, so you can tell it to kill warp at the next maneuver node or when a given Planet is in the right spot.

But when it come to planetary Transfers you have to check +-1 or 2 days before the Transfer window. Because of the Inclination and Excentricities of the Planets, it is more like an estimate.

I have Kerbal alarm clock, and is indeed really cool thing especially the SOI alarm, i remember when i played without it i missed encounter several time, with make me really really pissed off:D

[numerobis]

Arrowstar's Trajectory Optimization Tool has a gravity assist planner as a feature, I believe. I haven't used it much, but it's a nifty feature to have.

Interesting... Windows-only which is unfortunate.