>>1385461Try /d/, it's even older, they have a two year thread in there.
And of course, /ic/. Pluto will be in alignement again before another thread makes it from page 0 to page 15.
also:
en.wikipedia.org/wiki/PlutoOrbital period 90,613.305 days, 248.09 years ,14,164.4 Pluto solar days