In comparison to operational satellites, what is the primary risk posed by small fragments (under a certain mass threshold) upon atmospheric reentry?

Answer

They are expected to fully burn up, posing no risk from ground impact

A general design principle is that objects under a certain mass threshold, often around 100 kg, are constructed of materials designed to ablate efficiently and expected to fully vaporize during the fiery descent.

In comparison to operational satellites, what is the primary risk posed by small fragments (under a certain mass threshold) upon atmospheric reentry?

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