planetoid

• Nom désignant tout petit corps céleste en orbite autour du Soleil ; souvent considéré comme un synonyme d'astéroïde ou de planète mineure. Peut aussi s'appliquer à une planète naine.

A noun referring to any of numerous small celestial bodies that orbit the sun, often considered a synonym for asteroid or minor planet.

1. Small celestial bodyB2formal

   Any of numerous small celestial bodies that orbit the sun, often considered a type of asteroid or minor planet.

   Planétoïde

   • The astronomer discovered a new planetoid in the asteroid belt.
   • Planetoids are smaller than planets but larger than meteoroids.
   • Some planetoids have irregular shapes and orbits.

   Synonymesasteroidminor planetplanetesimal