An asteroid. Often contrasted with major planet.
More example sentences
- In the outer Solar System and the asteroids / minor planets tend to be redder in colour because they contain more organic material.
- She made observations of one of the minor planets and calculated its orbit.
- The next body to be discovered in the solar system was the minor planet Ceres, discovered in 1801.
More definitions of minor planetDefinition of minor planet in:
- The British & World English dictionary