Chaos Coordinates Diameter (km) Approval date Named after Ref Aeolis Chaos 7°08′S 150°36′W / 7.13°S 150.6°W / -7.13; -150.6 (Aeolis ) 201 2018 Classical albedo feature name WGPSN Aram Chaos 2°31′N 337°37′E / 2.52°N 337.61°E / 2.52; 337.61 (Aram ) 283.81 1976 Classical albedo feature name WGPSN Aromatum Chaos 1°02′S 317°02′E / 1.03°S 317.03°E / -1.03; 317.03 (Aromatum ) 72.8 1979 Classical albedo feature name WGPSN Arsinoes Chaos 7°40′S 332°05′E / 7.66°S 332.08°E / -7.66; 332.08 (Arsinoes ) 200.08 1982 Daughter of Ptolemy Lagun and Bernice WGPSN Atlantis Chaos 34°17′S 182°41′E / 34.28°S 182.69°E / -34.28; 182.69 (Atlantis ) 181.37 1985 From albedo feature at 30N, 173W WGPSN Aureum Chaos 3°53′S 333°02′E / 3.89°S 333.04°E / -3.89; 333.04 (Aureum ) 351.03 1976 Classical albedo feature name WGPSN Aurorae Chaos 8°28′S 325°11′E / 8.47°S 325.19°E / -8.47; 325.19 (Aurorae ) 713.92 1991 Classical albedo name WGPSN Baetis Chaos 0°10′S 299°36′E / 0.17°S 299.6°E / -0.17; 299.6 (Baetis ) 66.66 2006 Classical albedo feature name WGPSN Candor Chaos 6°56′S 287°25′E / 6.94°S 287.42°E / -6.94; 287.42 (Candor ) 0 1985 From albedo feature at 5N, 75W WGPSN Caralis Chaos 37°12′S 178°36′E / 37.2°S 178.6°E / -37.2; 178.6 (Caralis ) 103.35 2014 Classical albedo feature name WGPSN Chryse Chaos 9°52′N 322°49′E / 9.86°N 322.81°E / 9.86; 322.81 (Chryse ) 658.89 2008 Classical albedo feature name WGPSN Echus Chaos 10°47′N 285°17′E / 10.79°N 285.28°E / 10.79; 285.28 (Echus ) 480.51 1985 Classical albedo feature name WGPSN Eos Chaos 16°49′S 313°29′E / 16.82°S 313.48°E / -16.82; 313.48 (Eos ) 497.85 1982 Classical albedo feature name WGPSN Erythraeum Chaos 21°50′S 347°37′W / 21.84°S 347.62°W / -21.84; -347.62 (Erythraeum ) 147.63 2007 Classical albedo feature name WGPSN Galaxias Chaos 33°50′S 347°37′E / 33.83°S 347.62°E / -33.83; 347.62 (Galaxias ) 234.48 1985 Albedo feature name WGPSN Ganges Chaos 9°46′S 313°58′W / 9.76°S 313.96°W / -9.76; -313.96 (Ganges ) 113.73 2006 Classical albedo feature name WGPSN Gorgonum Chaos 37°16′S 189°06′E / 37.26°S 189.1°E / -37.26; 189.1 (Gorgonum ) 150.71 1985 From albedo feature at 24S, 154W WGPSN Hellas Chaos 47°07′S 64°25′W / 47.12°S 64.41°W / -47.12; -64.41 (Hellas ) 590.62 1994 Named for albedo feature Hellas WGPSN Hydaspis Chaos 3°05′N 333°04′E / 3.09°N 333.07°E / 3.09; 333.07 (Hydaspis ) 336.04 1976 Classical albedo feature name WGPSN Hydrae Chaos 5°54′S 300°02′E / 5.9°S 300.03°E / -5.9; 300.03 (Hydrae ) 66 2014 Classical albedo feature name WGPSN Hydraotes Chaos 1°07′N 324°43′E / 1.12°N 324.71°E / 1.12; 324.71 (Hydraotes ) 419.04 1976 Classical albedo feature name WGPSN Iamuna Chaos 0°17′S 319°23′E / 0.28°S 319.39°E / -0.28; 319.39 (Iamuna ) 21.72 2006 Classical albedo feature name WGPSN Iani Chaos 2°11′S 342°58′E / 2.19°S 342.96°E / -2.19; 342.96 (Iani ) 450.51 1976 Classical albedo feature name WGPSN Ister Chaos 12°57′N 303°26′E / 12.95°N 303.44°E / 12.95; 303.44 (Ister ) 109.1 1985 From classical albedo feature at 10N, 56W WGPSN Margaritifer Chaos 9°18′S 338°18′E / 9.3°S 338.3°E / -9.3; 338.3 (Margaritifer ) 383.67 1976 Classical albedo feature name WGPSN Nia Chaos 6°44′S 292°37′E / 6.74°S 292.62°E / -6.74; 292.62 (Nia ) 48 2017 Classical albedo feature name WGPSN Nilus Chaos 25°23′N 283°03′E / 25.39°N 283.05°E / 25.39; 283.05 (Nilus ) 283 1985 Named for albedo feature at 20N, 65W WGPSN Oxia Chaos 0°13′N 320°08′E / 0.22°N 320.13°E / 0.22; 320.13 (Oxia ) 24.12 2006 Classical albedo feature name WGPSN Pyrrhae Chaos 10°28′S 331°36′W / 10.46°S 331.6°W / -10.46; -331.6 (Pyrrhae ) 162.35 1982 Albedo feature name WGPSN Xanthe Chaos 11°52′N 317°47′E / 11.87°N 317.78°E / 11.87; 317.78 (Xanthe ) 34.37 2006 Classical albedo feature name WGPSN