List of geological features on Ida and Dactyl

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

Contents

Ida

Regiones

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

RegioCoordinatesDiameter (km)Approval DateNamed AfterRef
Palisa Regio 23°S34°W / 23°S 34°W / -23; -34 (Palisa) 231997 Johann Palisa WGPSN
Pola Regio 11°S184°W / 11°S 184°W / -11; -184 (Pola) 81997 Pola, Croatia WGPSN
Vienna Regio 8°N2°W / 8°N 2°W / 8; -2 (Vienna) 131997 Vienna WGPSN

Dorsa

DorsumCoordinatesDiameter (km)Approval DateNamed AfterRef
Townsend Dorsum 25°N30°W / 25°N 30°W / 25; -30 (Townsend) 401997 Tim E. Townsend, a member of the Galileo probe imaging team WGPSN

Craters

Idaean craters are named after famous caves.

CraterCoordinatesDiameter (km)Approval DateNamed AfterRef
Afon 6°30′S0°00′E / 6.5°S -0°E / -6.5; -0 (Afon) 0.81994 Novy Afon Cave, Abkhazia WGPSN
Atea 5°42′S18°54′W / 5.7°S 18.9°W / -5.7; -18.9 (Atea) 21997 Atea Cave, Papua New Guinea WGPSN
Azzurra 30°30′N217°12′W / 30.5°N 217.2°W / 30.5; -217.2 (Azzurra) 9.61997 Azzurra Grotto, Italy WGPSN
Bilemot 27°48′S29°12′W / 27.8°S 29.2°W / -27.8; -29.2 (Bilemot) 1.81997 Bilemot Cave, Korea WGPSN
Castellana 13°24′S335°12′W / 13.4°S 335.2°W / -13.4; -335.2 (Castellana) 5.21997 Castellana Cave, Italy WGPSN
Choukoutien 12°48′N23°36′W / 12.8°N 23.6°W / 12.8; -23.6 (Choukoutien) 1.11997 Choukoutien, China WGPSN
Fingal 13°12′S39°54′W / 13.2°S 39.9°W / -13.2; -39.9 (Fingal) 1.51997 Fingal's Cave, UK WGPSN
Kartchner 7°S179°W / 7°S 179°W / -7; -179 (Kartchner) 0.91997 Kartchner Caverns, AZ, United States WGPSN
Kazumura 32°00′S41°06′W / 32°S 41.1°W / -32; -41.1 (Kazumura) 2.11997 Kazumura Cave, HI, United States WGPSN
Lascaux 0°48′N161°12′W / 0.8°N 161.2°W / 0.8; -161.2 (Lascaux) 11.81997 Lascaux Cave, France WGPSN
Lechuguilla 7°54′N357°06′W / 7.9°N 357.1°W / 7.9; -357.1 (Lechuguilla) 1.51997 Lechuguilla Cave, NM, United States WGPSN
Mammoth 18°18′S180°18′W / 18.3°S 180.3°W / -18.3; -180.3 (Mammoth) 10.21997 Mammoth Cave, KY, United States WGPSN
Manjang 28°18′S90°30′W / 28.3°S 90.5°W / -28.3; -90.5 (Manjang) 11997 Manjang Cave, Korea WGPSN
Orgnac 6°18′S202°42′W / 6.3°S 202.7°W / -6.3; -202.7 (Orgnac) 10.61997 Orgnac Cave, France WGPSN
Padirac 4°18′S5°12′W / 4.3°S 5.2°W / -4.3; -5.2 (Padirac) 1.91997 Padirac Cave, France WGPSN
Peacock 2°S52°W / 2°S 52°W / -2; -52 (Peacock) 0.21997 Peacock Cave, FL, United States WGPSN
Postojna 42°54′S359°54′W / 42.9°S 359.9°W / -42.9; -359.9 (Postojna) 61997 Postojna Cave, Slovenia WGPSN
Sterkfontein 4°06′S54°06′W / 4.1°S 54.1°W / -4.1; -54.1 (Sterkfontein) 4.71997 Sterkfontein, South Africa WGPSN
Stiffe 27°54′S126°30′W / 27.9°S 126.5°W / -27.9; -126.5 (Stiffe) 1.51997 Stiffe Cave, Italy WGPSN
Undara 2°00′N113°48′W / 2°N 113.8°W / 2; -113.8 (Undara) 8.51997 Undara Cave, Australia WGPSN
Viento 12°12′N343°54′W / 12.2°N 343.9°W / 12.2; -343.9 (Viento) 1.61997 Viento Cave, Spain WGPSN

Dactyl

Dactylian craters are named after the mythological Dactyls.

CraterCoordinatesDiameter (km)Approval DateNamed AfterRef
Acmon 39°S138°W / 39°S 138°W / -39; -138 (Acmon) 0.31997 Acmon WGPSN
Celmis 46°S220°W / 46°S 220°W / -46; -220 (Celmis) 0.21997 Celmis WGPSN

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