Sedna
Sedna is a dwarf planet (or planetoid) located in the outer region of the Solar System.
Sedna, taken by Hubble Space Telescope.
Credit: NASA
Facts About Sedna:
- Sedna is located in the outer reaches of the Solar System. It is 86 times as far from the Sun as Earth, and 3 times as far from the Sun as Neptune.
- Its surface is a mixture of water, methane, and nitrogen ices with tholins.
- It is one of the reddest objects in the Solar System.
Classification: Dwarf Planet
Names: Sedna, 90377 Sedna
Discovered: 2003 by Mike Brown (Caltech), Chad Trujillo (Gemini Observatory) and David Rabinowitz (Yale University)
Naming: Named after the Inuit goddess of the sea, who is thought to live at the bottom of the frigid Arctic Ocean.
Orbital Period: 11400.0000