List of geological features on 243 Ida and Dactyl

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This is a list of named geological features on asteroid 243 Ida and its moon, Dactyl.



Idaean regiones (geologically distinct areas) are named after the discoverer of the asteroid, and the places where he worked.

Regio Named after
Palisa Regio Johann Palisa
Pola Regio Pola, Croatia
Vienna Regio Vienna


The only named dorsum on Ida is Townsend Dorsum, named after Tim E. Townsend, a member of the Galileo probe imaging team.


Idaean craters are named after famous caves.

Crater Named after
Afon Novy Afon Cave, Abkhazia
Atea Atea Cave, Papua New Guinea
Azzurra Azzurra Grotto, Italy
Bilemot Bilemot Cave, Korea
Castellana Castellana Cave, Italy
Choukoutien Choukoutien, China
Fingal Fingal's Cave, UK
Kartchner Kartchner Caverns, AZ, USA
Kazumura Kazumura Cave, HI, USA
Lascau Lascaux Cave, France
Lechuguilla Lechuguilla Cave, NM, USA
Mammoth Mammoth Cave, KY, USA
Manjang Manjang Cave, Korea
Orgnac Orgnac Cave, France
Padirac Padirac Cave, France
Peacock Peacock Cave, FL, USA
Postojna Postojna Cave, Slovenia
Sterkfontein Sterkfontein, South Africa
Stiffe Stiffe Cave, Italy
Undara Undara Cave, Australia
Viento Viento Cave, Spain


Dactylian craters are named after the mythological Dactyls.

Crater Named after
Acmon Acmon
Celmis Celmis

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