List of geological features on Ida and Dactyl
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; -34 (Palisa) | 23 | 1997 | Johann Palisa | WGPSN |
Pola Regio | 11°S 184°W / 11°S 184°W / -11; -184 (Pola) | 8 | 1997 | Pola, Croatia | WGPSN |
Vienna Regio | 8°N 2°W / 8°N 2°W / 8; -2 (Vienna) | 13 | 1997 | Vienna | WGPSN |
Dorsa
Dorsum | Coordinates | Diameter (km) | Approval Date | Named After | Ref |
---|---|---|---|---|---|
Townsend Dorsum | 25°N 30°W / 25°N 30°W / 25; -30 (Townsend) | 40 | 1997 | Tim E. Townsend, a member of the Galileo probe imaging team | WGPSN |
Craters
Idaean craters are named after famous caves.
Crater | Coordinates | Diameter (km) | Approval Date | Named After | Ref |
---|---|---|---|---|---|
Afon | 6°30′S 0°00′E / 6.5°S -0°E / -6.5; -0 (Afon) | 0.8 | 1994 | Novy Afon Cave, Abkhazia | WGPSN |
Atea | 5°42′S 18°54′W / 5.7°S 18.9°W / -5.7; -18.9 (Atea) | 2 | 1997 | Atea Cave, Papua New Guinea | WGPSN |
Azzurra | 30°30′N 217°12′W / 30.5°N 217.2°W / 30.5; -217.2 (Azzurra) | 9.6 | 1997 | Azzurra Grotto, Italy | WGPSN |
Bilemot | 27°48′S 29°12′W / 27.8°S 29.2°W / -27.8; -29.2 (Bilemot) | 1.8 | 1997 | Bilemot Cave, Korea | WGPSN |
Castellana | 13°24′S 335°12′W / 13.4°S 335.2°W / -13.4; -335.2 (Castellana) | 5.2 | 1997 | Castellana Cave, Italy | WGPSN |
Choukoutien | 12°48′N 23°36′W / 12.8°N 23.6°W / 12.8; -23.6 (Choukoutien) | 1.1 | 1997 | Choukoutien, China | WGPSN |
Fingal | 13°12′S 39°54′W / 13.2°S 39.9°W / -13.2; -39.9 (Fingal) | 1.5 | 1997 | Fingal's Cave, UK | WGPSN |
Kartchner | 7°S 179°W / 7°S 179°W / -7; -179 (Kartchner) | 0.9 | 1997 | Kartchner Caverns, AZ, United States | WGPSN |
Kazumura | 32°00′S 41°06′W / 32°S 41.1°W / -32; -41.1 (Kazumura) | 2.1 | 1997 | Kazumura Cave, HI, United States | WGPSN |
Lascaux | 0°48′N 161°12′W / 0.8°N 161.2°W / 0.8; -161.2 (Lascaux) | 11.8 | 1997 | Lascaux Cave, France | WGPSN |
Lechuguilla | 7°54′N 357°06′W / 7.9°N 357.1°W / 7.9; -357.1 (Lechuguilla) | 1.5 | 1997 | Lechuguilla Cave, NM, United States | WGPSN |
Mammoth | 18°18′S 180°18′W / 18.3°S 180.3°W / -18.3; -180.3 (Mammoth) | 10.2 | 1997 | Mammoth Cave, KY, United States | WGPSN |
Manjang | 28°18′S 90°30′W / 28.3°S 90.5°W / -28.3; -90.5 (Manjang) | 1 | 1997 | Manjang Cave, Korea | WGPSN |
Orgnac | 6°18′S 202°42′W / 6.3°S 202.7°W / -6.3; -202.7 (Orgnac) | 10.6 | 1997 | Orgnac Cave, France | WGPSN |
Padirac | 4°18′S 5°12′W / 4.3°S 5.2°W / -4.3; -5.2 (Padirac) | 1.9 | 1997 | Padirac Cave, France | WGPSN |
Peacock | 2°S 52°W / 2°S 52°W / -2; -52 (Peacock) | 0.2 | 1997 | Peacock Cave, FL, United States | WGPSN |
Postojna | 42°54′S 359°54′W / 42.9°S 359.9°W / -42.9; -359.9 (Postojna) | 6 | 1997 | Postojna Cave, Slovenia | WGPSN |
Sterkfontein | 4°06′S 54°06′W / 4.1°S 54.1°W / -4.1; -54.1 (Sterkfontein) | 4.7 | 1997 | Sterkfontein, South Africa | WGPSN |
Stiffe | 27°54′S 126°30′W / 27.9°S 126.5°W / -27.9; -126.5 (Stiffe) | 1.5 | 1997 | Stiffe Cave, Italy | WGPSN |
Undara | 2°00′N 113°48′W / 2°N 113.8°W / 2; -113.8 (Undara) | 8.5 | 1997 | Undara Cave, Australia | WGPSN |
Viento | 12°12′N 343°54′W / 12.2°N 343.9°W / 12.2; -343.9 (Viento) | 1.6 | 1997 | Viento Cave, Spain | WGPSN |
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 / -39; -138 (Acmon) | 0.3 | 1997 | Acmon | WGPSN |
Celmis | 46°S 220°W / 46°S 220°W / -46; -220 (Celmis) | 0.2 | 1997 | Celmis | WGPSN |
External links
- USGS: Ida nomenclature
- USGS: Dactyl nomenclature
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