What specific orbital resonance defines the Plutinos subset of CKBOs in relation to Neptune?

Answer

A 2:3 orbital resonance

Plutinos belong to a subset of CKBOs that share a 2:3 orbital resonance with Neptune, meaning Neptune tugs on them exactly twice for every three orbits they complete.

What specific orbital resonance defines the Plutinos subset of CKBOs in relation to Neptune?
locationSpaceastronomyobjectsKuiper Belt