Planetary Names

Basic Info

Feature Name	Echus Chaos
Clean Name	Echus Chaos
Feature ID	1711
Target	Mars
Feature Type	Chaos, chaoses

Location

Control Network

Coordinate System	Planetocentric, +East, 0 - 360
Northmost Latitude	14.73 °
Southmost Latitude	6.82 °
Eastmost Longitude	285.90 °
Westmost Longitude	283.00 °
Diameter	473.00 km
Center Latitude	10.78 °
Center Longitude	285.20 °
WKT String	MULTIPOLYGON (((285.9 6.8197793771, 283 6.8197793771, 283 14.7327627583, 285.9 14.7327627583, 285.9 6.8197793771)))
Northmost Latitude	14.73 °
Southmost Latitude	6.82 °
Eastmost Longitude	74.10 °
Westmost Longitude	77.00 °
Diameter	473.00 km
Center Latitude	10.78 °
Center Longitude	74.80 °
WKT String	MULTIPOLYGON (((285.9 6.8197793771, 283 6.8197793771, 283 14.7327627583, 285.9 14.7327627583, 285.9 6.8197793771)))
Northmost Latitude	14.75 °
Southmost Latitude	6.82 °
Eastmost Longitude	286.14 °
Westmost Longitude	283.05 °
Diameter	480.51 km
Center Latitude	10.79 °
Center Longitude	285.28 °
WKT String	MULTIPOLYGON (((285.58413887023926 12.868894577026367, 285.59996223449707 12.663202285766602, 285.68224143981934 12.693265914916992, 285.80249214172363 12.544530868530273, 285.8436336517334 12.435354232788086, 285.8717441558838 12.291387557983398, 285.96546745300293 11.868902206420898, 285.98445320129395 11.655298233032227, 285.98129081726074 11.476503372192383, 286.0176830291748 11.239160537719727, 286.02559089660645 11.061948776245117, 286.0050220489502 10.879987716674805, 285.96862983703613 10.747076034545898, 285.9005947113037 10.622079849243164, 285.85629081726074 10.326192855834961, 285.7758312225342 10.09736442565918, 285.6948986053467 9.856260299682617, 285.62686347961426 9.530313491821289, 285.5793933868408 9.411645889282227, 285.51926612854004 9.31987190246582, 285.4955348968506 9.191709518432617, 285.46388816833496 9.099939346313477, 285.3784465789795 8.974939346313477, 285.2483081817627 8.838499069213867, 285.1553478240967 8.732851028442383, 285.04448890686035 8.634683609008789, 284.943323135376 8.618928909301758, 284.8768672943115 8.568296432495117, 284.83731269836426 8.511335372924805, 284.8531322479248 8.433805465698242, 284.8562984466553 8.304059982299805, 284.85155296325684 8.171148300170898, 284.80882835388184 8.10627555847168, 284.7567501068115 8.035223007202148, 284.67433738708496 7.98127555847168, 284.60946464538574 7.913240432739258, 284.49298667907715 7.759469985961914, 284.39743995666504 7.67906379699707, 284.3388957977295 7.547735214233398, 284.20598793029785 7.481279373168945, 284.1157970428467 7.389509201049805, 284.10313987731934 7.31672477722168, 284.0525074005127 7.232866287231445, 284.0113697052002 7.174322128295898, 283.9116840362549 7.172739028930664, 283.82782554626465 7.126852035522461, 283.74396324157715 7.031915664672852, 283.6548442840576 6.958513259887695, 283.57466316223145 6.925905227661133, 283.5240306854248 6.876855850219727, 283.38998222351074 6.824312210083008, 283.23412132263184 6.848291397094727, 283.1458683013916 6.902170181274414, 283.0542812347412 7.004152297973633, 283.0542812347412 7.279901504516602, 283.0730838775635 7.342039108276367, 283.1221332550049 7.361028671264648, 283.3309917449951 7.435396194458008, 283.5002956390381 7.527166366577148, 283.5018787384033 7.593622207641602, 283.53352546691895 7.612607955932617, 283.7017002105713 7.567644119262695, 283.7392177581787 7.63792610168457, 283.80960273742676 7.675546646118164, 283.8246593475342 7.751848220825195, 283.81200218200684 7.887922286987305, 283.77402687072754 7.925897598266602, 283.76453590393066 7.98127555847168, 283.7882671356201 8.11577033996582, 283.8397617340088 8.147600173950195, 283.8752918243408 8.125261306762695, 284.00978660583496 8.21070671081543, 284.03510093688965 8.391084671020508, 283.9971294403076 8.501840591430664, 284.14586067199707 8.549310684204102, 284.2819347381592 8.64582633972168, 284.3737087249756 8.726522445678711, 284.47339057922363 8.70911979675293, 284.5256061553955 8.788232803344727, 284.5129451751709 8.849939346313477, 284.51611137390137 8.95753288269043, 284.5746555328369 9.079370498657227, 284.79933738708496 9.261327743530273, 284.88161277770996 9.370504379272461, 284.8673725128174 9.603097915649414, 284.93382835388184 9.709112167358398, 284.76136207580566 9.769235610961914, 284.68541145324707 9.815122604370117, 284.6142101287842 9.816705703735352, 284.55293464660645 9.869569778442383, 284.5271854400635 10.06828498840332, 284.64111137390137 10.14265251159668, 284.8879451751709 10.085691452026367, 285.00852394104004 10.121343612670898, 284.99553871154785 10.245500564575195, 285.06674003601074 10.392648696899414, 285.0398426055908 10.577775955200195, 284.8752841949463 10.571447372436523, 284.7518672943115 10.558786392211914, 284.58889961242676 10.588922500610352, 284.42750358581543 10.554040908813477, 284.27086067199707 10.596761703491211, 284.23605155944824 10.617330551147461, 284.1332035064697 10.637899398803711, 284.1316204071045 10.699609756469727, 284.3357334136963 10.694864273071289, 284.4450283050537 10.768758773803711, 284.51452827453613 10.887899398803711, 284.4971218109131 11.00340461730957, 284.5066165924072 11.088846206665039, 284.39743995666504 11.120492935180664, 284.2914295196533 11.133150100708008, 284.30250358581543 11.251821517944336, 284.27718925476074 11.324605941772461, 284.3373165130615 11.53504753112793, 284.62528800964355 11.666372299194336, 284.80882835388184 11.728082656860352, 284.7138957977295 11.914789199829102, 284.57148933410645 12.020803451538086, 284.6126308441162 12.232824325561523, 284.74553871154785 12.394216537475586, 284.9227542877197 12.519216537475586, 284.9860439300537 12.628393173217773, 284.88636207580566 12.705923080444336, 284.835729598999 12.758138656616211, 284.8420581817627 12.818262100219727, 284.90060234069824 12.86414909362793, 284.96072578430176 12.886301040649414, 285.0050296783447 12.943262100219727, 285.1205348968506 13.036615371704102, 285.09047508239746 13.183767318725586, 285.10471534729004 13.318258285522461, 285.0081958770752 13.373640060424805, 285.00852394104004 13.502298355102539, 285.0324993133545 13.682134628295898, 284.97255516052246 13.873960494995117, 285.0564785003662 14.101755142211914, 285.08045768737793 14.245626449584961, 285.0619945526123 14.454328536987305, 285.06990242004395 14.52711296081543, 285.2613582611084 14.707490921020508, 285.38319206237793 14.747045516967773, 285.38319206237793 14.745462417602539, 285.607873916626 14.664766311645508, 285.72070121765137 14.502130508422852, 285.7107219696045 14.38154411315918, 285.80724143981934 14.29768180847168, 285.8531246185303 14.226480484008789, 285.95122718811035 14.194833755493164, 285.97654151916504 14.117303848266602, 285.972318649292 13.955942153930664, 286.0809726715088 13.946420669555664, 286.1442623138428 13.925851821899414, 286.12843894958496 13.856229782104492, 286.00818824768066 13.740724563598633, 285.89742851257324 13.666357040405273, 285.76926612854004 13.139463424682617, 285.6806583404541 12.973325729370117, 285.58413887023926 12.868894577026367)))
Northmost Latitude	14.75 °
Southmost Latitude	6.82 °
Eastmost Longitude	73.86 °
Westmost Longitude	76.95 °
Diameter	480.51 km
Center Latitude	10.79 °
Center Longitude	74.72 °
WKT String	MULTIPOLYGON (((285.58413887023926 12.868894577026367, 285.59996223449707 12.663202285766602, 285.68224143981934 12.693265914916992, 285.80249214172363 12.544530868530273, 285.8436336517334 12.435354232788086, 285.8717441558838 12.291387557983398, 285.96546745300293 11.868902206420898, 285.98445320129395 11.655298233032227, 285.98129081726074 11.476503372192383, 286.0176830291748 11.239160537719727, 286.02559089660645 11.061948776245117, 286.0050220489502 10.879987716674805, 285.96862983703613 10.747076034545898, 285.9005947113037 10.622079849243164, 285.85629081726074 10.326192855834961, 285.7758312225342 10.09736442565918, 285.6948986053467 9.856260299682617, 285.62686347961426 9.530313491821289, 285.5793933868408 9.411645889282227, 285.51926612854004 9.31987190246582, 285.4955348968506 9.191709518432617, 285.46388816833496 9.099939346313477, 285.3784465789795 8.974939346313477, 285.2483081817627 8.838499069213867, 285.1553478240967 8.732851028442383, 285.04448890686035 8.634683609008789, 284.943323135376 8.618928909301758, 284.8768672943115 8.568296432495117, 284.83731269836426 8.511335372924805, 284.8531322479248 8.433805465698242, 284.8562984466553 8.304059982299805, 284.85155296325684 8.171148300170898, 284.80882835388184 8.10627555847168, 284.7567501068115 8.035223007202148, 284.67433738708496 7.98127555847168, 284.60946464538574 7.913240432739258, 284.49298667907715 7.759469985961914, 284.39743995666504 7.67906379699707, 284.3388957977295 7.547735214233398, 284.20598793029785 7.481279373168945, 284.1157970428467 7.389509201049805, 284.10313987731934 7.31672477722168, 284.0525074005127 7.232866287231445, 284.0113697052002 7.174322128295898, 283.9116840362549 7.172739028930664, 283.82782554626465 7.126852035522461, 283.74396324157715 7.031915664672852, 283.6548442840576 6.958513259887695, 283.57466316223145 6.925905227661133, 283.5240306854248 6.876855850219727, 283.38998222351074 6.824312210083008, 283.23412132263184 6.848291397094727, 283.1458683013916 6.902170181274414, 283.0542812347412 7.004152297973633, 283.0542812347412 7.279901504516602, 283.0730838775635 7.342039108276367, 283.1221332550049 7.361028671264648, 283.3309917449951 7.435396194458008, 283.5002956390381 7.527166366577148, 283.5018787384033 7.593622207641602, 283.53352546691895 7.612607955932617, 283.7017002105713 7.567644119262695, 283.7392177581787 7.63792610168457, 283.80960273742676 7.675546646118164, 283.8246593475342 7.751848220825195, 283.81200218200684 7.887922286987305, 283.77402687072754 7.925897598266602, 283.76453590393066 7.98127555847168, 283.7882671356201 8.11577033996582, 283.8397617340088 8.147600173950195, 283.8752918243408 8.125261306762695, 284.00978660583496 8.21070671081543, 284.03510093688965 8.391084671020508, 283.9971294403076 8.501840591430664, 284.14586067199707 8.549310684204102, 284.2819347381592 8.64582633972168, 284.3737087249756 8.726522445678711, 284.47339057922363 8.70911979675293, 284.5256061553955 8.788232803344727, 284.5129451751709 8.849939346313477, 284.51611137390137 8.95753288269043, 284.5746555328369 9.079370498657227, 284.79933738708496 9.261327743530273, 284.88161277770996 9.370504379272461, 284.8673725128174 9.603097915649414, 284.93382835388184 9.709112167358398, 284.76136207580566 9.769235610961914, 284.68541145324707 9.815122604370117, 284.6142101287842 9.816705703735352, 284.55293464660645 9.869569778442383, 284.5271854400635 10.06828498840332, 284.64111137390137 10.14265251159668, 284.8879451751709 10.085691452026367, 285.00852394104004 10.121343612670898, 284.99553871154785 10.245500564575195, 285.06674003601074 10.392648696899414, 285.0398426055908 10.577775955200195, 284.8752841949463 10.571447372436523, 284.7518672943115 10.558786392211914, 284.58889961242676 10.588922500610352, 284.42750358581543 10.554040908813477, 284.27086067199707 10.596761703491211, 284.23605155944824 10.617330551147461, 284.1332035064697 10.637899398803711, 284.1316204071045 10.699609756469727, 284.3357334136963 10.694864273071289, 284.4450283050537 10.768758773803711, 284.51452827453613 10.887899398803711, 284.4971218109131 11.00340461730957, 284.5066165924072 11.088846206665039, 284.39743995666504 11.120492935180664, 284.2914295196533 11.133150100708008, 284.30250358581543 11.251821517944336, 284.27718925476074 11.324605941772461, 284.3373165130615 11.53504753112793, 284.62528800964355 11.666372299194336, 284.80882835388184 11.728082656860352, 284.7138957977295 11.914789199829102, 284.57148933410645 12.020803451538086, 284.6126308441162 12.232824325561523, 284.74553871154785 12.394216537475586, 284.9227542877197 12.519216537475586, 284.9860439300537 12.628393173217773, 284.88636207580566 12.705923080444336, 284.835729598999 12.758138656616211, 284.8420581817627 12.818262100219727, 284.90060234069824 12.86414909362793, 284.96072578430176 12.886301040649414, 285.0050296783447 12.943262100219727, 285.1205348968506 13.036615371704102, 285.09047508239746 13.183767318725586, 285.10471534729004 13.318258285522461, 285.0081958770752 13.373640060424805, 285.00852394104004 13.502298355102539, 285.0324993133545 13.682134628295898, 284.97255516052246 13.873960494995117, 285.0564785003662 14.101755142211914, 285.08045768737793 14.245626449584961, 285.0619945526123 14.454328536987305, 285.06990242004395 14.52711296081543, 285.2613582611084 14.707490921020508, 285.38319206237793 14.747045516967773, 285.38319206237793 14.745462417602539, 285.607873916626 14.664766311645508, 285.72070121765137 14.502130508422852, 285.7107219696045 14.38154411315918, 285.80724143981934 14.29768180847168, 285.8531246185303 14.226480484008789, 285.95122718811035 14.194833755493164, 285.97654151916504 14.117303848266602, 285.972318649292 13.955942153930664, 286.0809726715088 13.946420669555664, 286.1442623138428 13.925851821899414, 286.12843894958496 13.856229782104492, 286.00818824768066 13.740724563598633, 285.89742851257324 13.666357040405273, 285.76926612854004 13.139463424682617, 285.6806583404541 12.973325729370117, 285.58413887023926 12.868894577026367)))
Quad	mc10 [pdf]

Status and Origin

Approval Status	Adopted by IAU
Approval Date	1985
Continent	Europe
Ethnicity	Latin
Origin	From albedo feature Echus Lacus at 1N, 90W.
Reference	[57] - Map of albedo features of Mars, (plates 2-5), in La Planéte Mars, by E.M. Antoniadi: Librairie Scientifique, Hermann et Cie., Paris, 1930.
Updated	Oct 01, 2006 3:30 PM

The boundaries shown on the maps above are approximate and are intended only to portray the locations of named features and their rough extents.

Changes in the control network drop down are not reflected automatically on the map. You may wish to select a different layer on the map to match the control network for the geometry you are viewing.

Basic Info

Location

Status and Origin

PDF Maps of Mars