Plan of the lunar orbit :
Plan of the EARTH orbit :
Lunar orbit nodes :
  1. The plan of the Earth orbit around the Sun ( ECLIPTIC PLAN) makes an angle of 5° 8' with the lunar orbit plan.
  2. The motion of the Moon is elliptic but very close to a circle around the Earth
    dmax = 407000 km , dmin = 357000 km.
  3. When Sun, Moon and Earth are aligned with the nodes line AB, there are a Sun eclipse or a Moon eclipse
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MOON'S ORBIT