Analytical and numerical study of the ground-track resonances of Dawn orbiting Vesta

► We study the properties of the major ground-track resonances around Vesta. ► The theory is general enough to be applied to a wide range of probes. ► We explain an increase of the eccentricity in the 2:3 resonance. ► We reproduce, explain and complete the results of Tricarico and Sykes (2010).