最終更新日：2024/07/28

(astronomy) An asteroid of any size / (astronomy) An asteroid-like body in an orbit beyond the asteroid belt, such as a centaur or Kuiper belt object

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planetoid

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元となった辞書の項目

planetoid

noun

Scientists discovered a new planetoid in our solar system.

意味（1）

(astronomy) An asteroid of any size

意味（2）

(astronomy) An asteroid-like body in an orbit beyond the asteroid belt, such as a centaur or Kuiper belt object

意味（3）

1991 Optimal trajectories for an ion driven spacecraft from earth to the planetoid Vesta

意味（4）

(astronomy) A dwarf planet

We prefer the word "planetoid" as a new word to describe round objects orbiting the sun.