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polar orbit

noun
  1. a spacecraft orbit that passes over, or close to, the geographic poles of the earth or some other celestial body.
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Origin of polar orbit

First recorded in 1960–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for polar orbit

polar orbit

noun
  1. the orbit of a satellite that passes over the poles of a planet
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012