[Dragon Star]

Originally Posted by umop ap!sdn

I once calculated that, if I understand the MOND theory correctly, Sedna would be far enough out to fall under the non-Newtonian effects. Under Newtonian physics, Sedna's observed position and velocity is consistent with being near the perihelion of a very elliptical orbit. But under MOND, it would be consistent with a much less elliptical orbit.

One could calculate its orbital trajectory based on current observations assuming each of the 3 theories (Newtonian, STVG, and MOND) to be correct, and then in a few years (decades?) observe Sedna again and see which path it follows.

Very interesting, thanks.