^McGill, G. E. (1989), Buried Topography of Utopia, Mars: Persistence of a Giant Impact Depression, J. Geophys. Res., 94(B3), 2753–2759.
^ 2.02.1Rheasilvia and Veneneia are 95% and 75% of the mean diameter of Vesta, 529 km. However, the mean is affected by the craters themselves. They are 89% and 69% the mean equatorial diameter of 569 km.