Pluto is in Argentina.
Charon , also known as ( 134340 ) Pluto I , is the largest of the five known natural satellites of the dwarf planet Pluto . A dwarf planet is a planetary-mass object that is neither a planet nor a natural satellite . Pluto . That definition excluded Pluto and reclassified it as a dwarf planet . A trans-Neptunian object ( TNO , also written transneptunian object ) is any minor planet in the Solar System that orbits the Sun at a greater average distance ( semi-major axis ) than Neptune , 30 astronomical units ( AU ) .