Planetary Names

Basic Info

Feature Name	Mearcair Planitia
Clean Name	Mearcair Planitia
Feature ID	15561
Target	Mercury
Feature Type	Planitia, planitiae

Location

Control Network
MESSENGER Team

Coordinate System	Planetographic, +West, 0 - 360
Northmost Latitude	43.83 °
Southmost Latitude	15.11 °
Eastmost Longitude	216.55 °
Westmost Longitude	246.32 °
Diameter	1175.00 km
Center Latitude	31.40 °
Center Longitude	227.90 °
WKT String	POLYGON ((124.26416015625 20.93994140625, 124.17626953125 21.42333984375, 124.13232421875 22.1044921875, 124.22021484375 22.56591796875, 124.35205078125 23.466796875, 124.505859375 24.36767578125, 124.76953125 25.86181640625, 124.9013671875 27.09228515625, 124.9013671875 28.14697265625, 124.857421875 29.86083984375, 124.7255859375 30.21240234375, 123.9345703125 31.39892578125, 122.5283203125 32.76123046875, 121.5615234375 33.20068359375, 120.287109375 33.50830078125, 119.056640625 33.81591796875, 118.4853515625 33.92578125, 117.84814453125 34.013671875, 117.62841796875 34.16748046875, 117.090087890625 34.0576171875, 116.88134765625 33.72802734375, 116.419921875 33.24462890625, 115.595947265625 32.969970703125, 114.81591796875 32.9150390625, 113.8271484375 33.563232421875, 113.783203125 34.2333984375, 113.67333984375 34.815673828125, 114.046875 35.48583984375, 114.75 36.14501953125, 115.716796875 36.45263671875, 115.892578125 36.58447265625, 117.03515625 37.85888671875, 117.2548828125 38.51806640625, 117.2548828125 38.8916015625, 117.650390625 39.3310546875, 117.97998046875 39.3310546875, 118.408447265625 39.078369140625, 118.94677734375 39.0673828125, 119.671875 39.08935546875, 120.4189453125 39.30908203125, 121.078125 40.14404296875, 121.40771484375 40.693359375, 121.71533203125 40.97900390625, 122.66015625 41.3525390625, 123.82470703125 41.28662109375, 126.0439453125 41.044921875, 127.82373046875 41.3525390625, 129.779296875 41.37451171875, 131.625 41.46240234375, 132.7236328125 41.90185546875, 133.470703125 42.69287109375, 135.140625 43.17626953125, 135.99755859375 43.1982421875, 137.337890625 43.61572265625, 138.7880859375 43.83544921875, 140.853515625 43.74755859375, 141.8642578125 43.48388671875, 142.7431640625 42.91259765625, 142.875 42.03369140625, 142.962890625 41.748046875, 143.3583984375 41.37451171875, 143.4462890625 40.49560546875, 142.4794921875 38.82568359375, 141.205078125 38.86962890625, 140.1943359375 38.43017578125, 139.51318359375 38.408203125, 139.0078125 38.73779296875, 138.4365234375 38.78173828125, 138.01904296875 39.1552734375, 136.72265625 40.36376953125, 136.37109375 40.84716796875, 135.7119140625 40.89111328125, 134.4814453125 41.02294921875, 133.119140625 40.45166015625, 132.591796875 40.14404296875, 131.185546875 39.30908203125, 131.361328125 38.86962890625, 131.625 38.47412109375, 132.13037109375 38.21044921875, 132.48193359375 37.8369140625, 133.481689453125 37.496337890625, 134.54736328125 37.79296875, 135.51416015625 37.55126953125, 136.08544921875 37.1337890625, 136.6787109375 36.27685546875, 137.66748046875 36.2548828125, 138.65625 36.474609375, 139.77685546875 36.32080078125, 140.34814453125 35.9912109375, 140.853515625 35.4638671875, 141.05126953125 34.552001953125, 140.677734375 33.92578125, 140.677734375 33.134765625, 140.8974609375 32.5634765625, 140.65576171875 31.97021484375, 140.23828125 31.66259765625, 139.765869140625 31.552734375, 139.33740234375 31.92626953125, 138.81005859375 31.88232421875, 138.41455078125 31.2890625, 138.72216796875 30.8935546875, 139.02978515625 30.673828125, 139.20556640625 30.234375, 138.94189453125 30.08056640625, 138.28271484375 29.8828125, 138.06298828125 29.37744140625, 138.3046875 28.8720703125, 138.85400390625 28.5205078125, 139.07373046875 28.05908203125, 138.7001953125 27.48779296875, 137.9970703125 27.0703125, 137.6015625 26.08154296875, 138.06298828125 25.46630859375, 138.030029296875 24.93896484375, 137.53564453125 24.80712890625, 137.162109375 24.36767578125, 136.5908203125 24.06005859375, 136.634765625 23.62060546875, 137.0302734375 22.96142578125, 137.49169921875 22.1044921875, 137.49169921875 21.181640625, 137.3818359375 20.5224609375, 136.0634765625 19.874267578125, 135.29443359375 19.3524169921875, 134.9208984375 18.65478515625, 134.6572265625 17.86376953125, 134.19580078125 17.29248046875, 133.6025390625 16.76513671875, 133.0751953125 16.10595703125, 132.6796875 15.40283203125, 131.712890625 15.1171875, 130.921875 15.13916015625, 130.54833984375 15.53466796875, 130.04296875 15.84228515625, 129.6474609375 16.34765625, 129.3837890625 17.281494140625, 128.52685546875 17.6220703125, 127.91162109375 17.75390625, 126.3076171875 17.40234375, 125.736328125 17.479248046875, 125.58251953125 17.9736328125, 125.49462890625 18.87451171875, 125.27490234375 19.599609375, 124.505859375 20.28076171875, 124.26416015625 20.93994140625))
Quad	H-04 [pdf]

Status and Origin

Approval Status	Adopted by IAU
Approval Date	Mar 14, 2017
Continent	Europe
Ethnicity	Ireland
Origin	Irish word for the planet Mercury.
Reference	[422] - Irish-English English-Irish Easy Reference Dictionary, Educational Company of Ireland: Rowman & Littlefield, 1998.
Updated	Mar 14, 2017 2:57 PM

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PDF Maps of Mercury

1:5 million-scale