143rd meridian west
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143°
143rd meridian west ()
The meridian 143° west of Greenwich is a line of longitude[1] that extends from the North Pole across the Arctic Ocean, North America, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole.
The 143rd meridian west line forms a great circle with the 37th meridian east.
From Pole to Pole
Starting at the North Pole and heading south to the South Pole, the 143rd meridian west passes through:
Co-ordinates Country, territory or sea Notes 90°0′N 143°0′W / 90.000°N 143.000°W Arctic Ocean 73°22′N 143°0′W / 73.367°N 143.000°W Beaufort Sea 70°5′N 143°0′W / 70.083°N 143.000°W .png)
United States
Alaska 60°5′N 143°0′W / 60.083°N 143.000°W Pacific Ocean Passing just east of Taenga atoll, 
French Polynesia (at 16°24′S 143°1′W / 16.400°S 143.017°W)
Passing just west of Nihiru atoll, French Polynesia (at 16°43′S 142°53′W / 16.717°S 142.883°W)
Passing just east of Marutea Nord atoll, French Polynesia (at 17°0′S 143°3′W / 17.000°S 143.050°W)
Passing just east of Reitoru atoll, French Polynesia (at 17°51′S 143°3′W / 17.850°S 143.050°W)
Passing just east of Nukutepipi atoll, French Polynesia (at 20°42′S 143°4′W / 20.700°S 143.067°W)
60°0′S 143°0′W / 60.000°S 143.000°W Southern Ocean 75°31′S 143°0′W / 75.517°S 143.000°W Antarctica Unclaimed territory
See also
References
- ^ "What is longitude?". oceanservice.noaa.gov. Retrieved 1 July 2025.
