Explore This SectionScienceDawnBoulder Field Near Occator...Solar System ResourcesCurated Resource PackagesSolar System Home Boulder Field Near Occator Crater’s Eastern RimJune 13, 2018 This image of a boulder field near Ceres' Occator Crater's eastern rim was obtained by NASA's Dawn spacecraft on June 9, 2018 from an altitude of about 30 miles (48 kilometers).