Synthetic proper element map in the (a, sin(i)) plane of the region near (4) Vesta (black dots). Vertical red lines show the location of the main mean-motion resonances. The magenta full dot shows the orbital location of (4) Vesta, the cyan circle shows asteroids to within an arcsec from the center of the z₃ secular resonance, yellow circles are associated with test particles near the z₂ secular resonance, red circles are associated to the 2ν₆ + ν₅ − ν₁₆ resonance, and blue circles display the orbital location of the 3ν₆ − ν₅g-type resonance.