lunar orbit

plural lunar orbits

1. The orbit of the Moon around the Earth.

   If the lunar orbit is assumed circular, then the rotation rate and the earth-moon distance are constant [...]

   1967, D. L. Mootchnik, J. Kork, Lunar Orbit Mission Analysis

   4 more examples

   From the present position of the lunar orbit, it does not appear that any very striking occultations will happen in this country during the present year; [...]

   1690, John Partridge, Merlinus liberatus, page 43

   But whereas the plane of the lunar orbit, which is always inclined to the plane of the ecliptic in an angle of about 5 degrees, never continues in a constant position [...]

   1755, Philosophical Transactions of the Royal Society of London, page 389

   With these preliminary explanations, the reader will be prepared for the discussion of the relation of the eccentricity of the lunar orbit to its inclination to the plane of the ecliptic.

   1855, Samuel Elliott Coues, Arithmetical Calculations of the Elements of the Orbit of the Moon

   The lunar orbit and the solar orbit do not coincide, but intersect each other at an angle of 5°8'48". The place where the lunar orbit intersects the solar orbit is called the "Lunar Node."

   1865, Alexander Hamilton Howe, A Theoretical inquiry into the physical cause of epidemic diseases

2. The orbit of an object around the Moon.