90377 Sedna
From Space Wiki
Sedna is a detached object between the Kuiper belt and the Oort cloud. It might be a Dwarf planet. It is also the second reddest object in our Solar System, after Mars
Sedna is a detached object between the Kuiper belt and the Oort cloud. It might be a Dwarf planet. It is also the second reddest object in our Solar System, after Mars