Orbit/Encounter changing without any input (interplanetary space) KSP 1.12.1 OSX

[felixonapedestal]

Hello,

Long time listener first time caller. 

Made a big shiny ship in three parts, very pleased with it, sent it off to Duna. After getting an initial encounter and heading off into interplanetary space, I'm now getting huge changes in periapsis (peridun?) as if accelerating retrograde relative to Duna. There is a big rotating ring thing on the ship, so I disabled the motors on that to see if it was anything to do with the changes. Doesn't make any difference. Any thoughts? I've linked some images below to give a bit more detail.

Manoeuvre at 1y 269 days 5:01:08

Manoeuvre at 1y 269 days 5:01:15

Orbit with Engineer readout

Me lovely ship

https://photos.app.goo.gl/YRNJ3FxjrU7XiLyU7

Version: KSPv 1.12, Making History 1.12.0 Breaking Ground 1.7

Mods: Kerbal Engineer, Kerbal Alarm Clock

Thanks for any help!

 

 

 

 

Edited July 24, 2021 by felixonapedestal
Inserting Images

[Vanamonde]

This sounds like a support issue, and so your question has been moved to modded support. Good luck with your problem and welcome to the forum.