Definition of astronavigation in US English:



  • Determination of the position and course of an aircraft or spacecraft by observation of the stars and other celestial objects.

    • ‘The Massachussets Institute of Technology was the obvious place for NASA to look for help in Apollo's astronavigation problems.’
    • ‘The cardinal principle of astronavigation is to keep far away from gravitational maelstroms.’
    • ‘However, despite taking the astronavigation exam on numerous occasions, Mr R has had no success with this approach.’
    • ‘Mr. Butt's talk rounded off the season of lectures on a very unusual and interesting note, being the first time that astronavigation had been included in the syllabus of lectures to the Society.’
    • ‘This included training in rigging and astronavigation and sextant usage.’


1930s: from astro- + navigation.