This is a list of named geological features on asteroid 243 Ida and its moon, Dactyl.
Ida
Regiones
Idaean regiones (geologically distinct areas) are named after the discoverer of the asteroid, and the places where he worked.
Regio | Coordinates | Diameter (km) | Approval Date | Named After | Ref |
---|---|---|---|---|---|
Palisa Regio | 23°S 34°W / 23°S 34°W | 23 | 1997 | Johann Palisa | WGPSN |
Pola Regio | 11°S 184°W / 11°S 184°W | 8 | 1997 | Pola, Croatia | WGPSN |
Vienna Regio | 8°N 2°W / 8°N 2°W | 13 | 1997 | Vienna | WGPSN |
Dorsa
Dorsum | Coordinates | Diameter (km) | Approval Date | Named After | Ref |
---|---|---|---|---|---|
Townsend Dorsum | 25°N 30°W / 25°N 30°W | 40 | 1997 | Tim E. Townsend, a member of the Galileo probe imaging team | WGPSN |
Craters
Idaean craters are named after famous caves.
Dactyl
Dactylian craters are named after the mythological Dactyls.
Crater | Coordinates | Diameter (km) | Approval Date | Named After | Ref |
---|---|---|---|---|---|
Acmon | 39°S 138°W / 39°S 138°W | 0.3 | 1997 | Acmon | WGPSN |
Celmis | 46°S 220°W / 46°S 220°W | 0.2 | 1997 | Celmis | WGPSN |
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