This is a list of named geological features on asteroid 243 Ida and its moon, Dactyl.
Ida
Craters Idaean craters are named after famous caves.
Dorsa
Regiones Idaean regiones (geologically distinct areas) are named after the discoverer of the asteroid, and the places where he worked.
Dactyl Dactylian craters are named after the mythological Dactyls.
External links USGS: Ida nomenclature USGS: Dactyl nomenclature