Reported Version: v0.2.0 (latest) | Mods: none | Can replicate without mods? Yes
OS: Windows 10 | CPU: Ryzen 5 3600 | GPU: GTX 1080 | RAM: 32 GB
Testing around Minmus showed that the orbital drift bug was still present. It appears to have been fixed around the Mun as it was still an issue until the 0.2.0.0 patch, but Minmus and potentially other bodies remains an issue.
In looking at exactly what kind of force vector was being applied, you can verify it through the video that it's consistent with a "radial-out" force pushing away from the body's surface. Estimating the rate at which the Apoapsis and Periapsis increase and decay respectively, it's consistent with a constant outward vector equivalent to the surface gravity of the body. Instead of pulling inward and creating a stable orbit, there's an outward force instead, pushing the craft away constantly, causing this radial-out motion.
The patched conics indicate that the craft is orbiting, which suggests a correct inward pull of gravity (or at least on rails). But this additional outward force is destabilizing the orbit.
Included Attachments:
KSP2_orbital_drift_bug.mp4
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