Prograde meaning

prōgrād
Of or relating to the orbital revolution or axial rotation of a planetary or other celestial body that moves counterclockwise from west to east, in the same direction as most celestial bodies.
adjective
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Of or relating to orbital motion in the same direction as the predominant motion in an orbital system.
adjective
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Having a rotational or orbital movement that is the same as most bodies within a celestial system. In our solar system, prograde movement for both rotating and orbiting bodies is in a counterclockwise direction when viewed from a vantage point above the Earth's north pole.
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Origin of prograde

  • pro– (retro)grade

    From American Heritage Dictionary of the English Language, 5th Edition