Question

is there a planet called planet- x​

Answer 1

Today, most astronomers agree that Planet X, as Lowell defined it, does not exist.

Answer 2

Answer:

Yes there is a planet X

The Caltech scientists believe Planet X may have has a mass about 10 times that of Earth and be similar in size to Uranus or Neptune. The predicted orbit is about 20 times farther from our Sun on average than Neptune (which orbits the Sun at an average distance of 2.8 billion miles)