* 2.06 AU (4:1 resonance)
    * 2.5 AU (3:1 resonance), home to the Alinda family of asteroids
    * 2.82 AU (5:2 resonance)
    * 2.95 AU (7:3 resonance)
    * 3.27 AU (2:1 resonance), home to the Griqua family of asteroids

Weaker and/or narrower gaps are also found at:

    * 1.9 AU (9:2 resonance)
    * 2.25 AU (7:2 resonance)
    * 2.33 AU (10:3 resonance)
    * 2.71 AU (8:3 resonance)
    * 3.03 AU (9:4 resonance)
    * 3.075 AU (11:5 resonance)
    * 3.47 AU (11:6 resonance)
    * 3.7 AU (5:3 resonance)

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