[WIP][1.8.1, 1.9.1, 1.10.1, 1.11.0–2, 1.12.2–5] Principia—version Καραθεοδωρή, released 2024-04-08—n-Body and Extended Body Gravitation
The source code is available on GitHub under the MIT license.
Abstract
This mod aims to replace KSP's unstable physics integration with a higher-order symplectic integrator, adding n-body Newtonian gravitation in the process.
Acronyms
Documentation and download
Principia is not built in the same way as most other mods (most of it is native code, with a thin C# interface layer), so that compatibility issues may arise depending on the platform.
Binaries are availabl
I do wish Principa worked with Hyperedit, but I'm glad it works somewhat with the stock orbit editor. I need the ability to place objects in LEO in any inclination and LAN.
I haven't confirmed this yet, but I suspect KSP's patched conics doesn't do momentum transfer during planetary flybys. In other words, if you fly by a planet, your entry and exit speed out of an SOI is the same if you don't accelerate. The only thing that changes is direction. In real flybys, you actually gain veloci