What is the specific classification for small rocky or metallic bits originating from asteroids or comets while orbiting the Sun in space?

Answer

Meteoroid

In the vacuum of space, smaller fragments originating from asteroids or comet debris trails are categorized as meteoroids, defined generally by being between the size of a grain of sand and about one meter across.

What is the specific classification for small rocky or metallic bits originating from asteroids or comets while orbiting the Sun in space?
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