Fitting an ellipse through 3-d data

Hey, sorry if this is not the right section to post in, the topic is a bit ambiguous.

I've generated a set of coordinate points for the orbit of Mercury (3d cartesian) and now I want to fit an ellipse through it so I can get an accurate estimate of the location of the perihelion. I am using...



Fitting an ellipse through 3-d data

Fitting an ellipse through 3-d data