WordReference Random House Unabridged Dictionary of American English © 2025
po′lar or′bit, 
  1. Aerospacea spacecraft orbit that passes over, or close to, the geographic poles of the earth or some other celestial body.
  • 1960–65

'polar orbit' also found in these entries (note: many are not synonyms or translations):
Oscar

Forum discussions with the word(s) "polar orbit" in the title:


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