Integrate ALL the things!
Forgot some conditions.
Use its center of mass as a vessel's position.
Trace perturbations.
The velocity seems sane; the position is crazy; traces traces traces.
?????
?!?!??!!!
meh.
An attempt at quantities, needs rethinking.
C# just can't do that properly.
Linear algebra.
Grassmann algebra.
Transformations.
Transformations.