Answer to Question #179858 in Astronomy | Astrophysics for destiny

Question

An object in our solar system has been discovered orbiting the Sun in a very long path that extends far past Pluto.

Answer 1

Trans-Neptunian objects with orbits that extend far past Pluto are: dwarf planets, comets, Kuiper belt objects, asteroids and other small bodies. Among the recent discoveries of such objects, there were classical Kuiper belt object 19521 Chaos (aphelion 50AU), dwarf planet Eris (aphelion 97AU), 2018 AG37 (nicknamed FarFarOut, aphelion 145 AU), dwarf planet 90377 Sedna (aphelion 937 AU).