Question

They are often called minor planets or planetoids. ​

Answer 1

Asteroids

Asteroids are rocky worlds revolving around the sun that are too small to be called planets. They are also known as planetoids or minor planets. There are millions of asteroids, ranging in size from hundreds of miles to several feet across.

Answer 2

Step-by-step explanation:

Pluto is often regarded as a minor planet. A planetoid, or a minor planet is a celestial object that orbits the sun but is neither a planet nor a comet. The first minor planet was discovered in 1801. It was known as Ceres and was also referred to as a dwarf planet. The term "minor planets" traces its roots back to the 1800s.