Sednoids

dwarf planet in the outermost Solar system

trans-Neptunian object

thumb|upright=1.5|The orbits of the four known sednoids (colored pink). Their orbits are so distant that they never cross the Kuiper belt (shown in red). thumb|The apparent magnitudes of three of four known sednoids. thumb|Discovery image of Sedna (dwarf planet)|Sedna, the eponymous and first known sednoid

Trans-Neptunian object

sednoid