It is no longer technically a planet, but a dwarf planet.
because it to small
the terristrial planets(inner planets) are made of rock, they are soild, the jovian plants (gas giants or outer planets) are made of many gases, and Pluto doesn't not fit in any category, Pluto is a dwarf planet that is possibly a moon.
Pluto does not interact with any planets.
Pluto ... which I think was the first member of the newly-defined "dwarf planet" category ... has two known moons.
Pluto does not have an orbit clear of asteroids and debris. Planets do.
Pluto has asteroids in its orbital path. Planets don't.
pluto
It was regarded by scientists as being "too small" to be classed as a planet. So they put it into the category of Dwarf Planets.
There are more than two dwarf planets other than Pluto. Ceres, Eris, Sedna, and Qaoar are a few of the named ones, but there are dozens, if not hundreds, more of them.
Pluto's only neighbouring planet is Neptune, though there are other dwarf planets beyond Pluto
Pluto
Yes, Pluto was a moon to one of the planets called Neptune.