The Solar System Wiki

Planet 10
Name of Planet Planet 10
Number of Sattelites Unknown
Distance from Sun Unknown
Diameter 8600 km
Orbit Unknown

Planet 10 is another hypothetical planet besides Planet 9. It is either the size of Mars or Earth and lies at the edge of the Kuiper Belt. Like Planet 9, we haven't confirmed the existence of Planet 10. Its location might be further than Planet 9.