Satelites of Saturn's inclination is faulty

[Kerbinator-Fras]

Pic: Mimas data with JPL horizons, ICRF original xyz axes
I've noticed it first from Titan's weird inclination compared to other inner moons ,then from unusually low precision of inclination data in config

[Kerbinator-Fras]

Now I know, an issue of ring alignment.
The "imprecise" values are inclination relative to equator.
This is not a problem for Principia at all;
and for RSS-2body, the tiltem version will solve most things (only limitations are bugs from tiltem itself)