Ecliptic latitude
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Ecliptic latitude, or Celestial latitude, is one of the co-ordinates which can be used to define the location of an astronomical object on the celestial sphere in the ecliptic coordinate system. In this system, the celestial sphere is divided into two hemispheres by the plane of the ecliptic, or the plane of the earth's orbit. From the perspective of the earth, the sun travels in the ecliptic and always has ecliptic latitude of 0. The ecliptic latitude is the angle north or south of the ecliptic analogous to how terrestrial latitude is the angular position on the earth north or south of the equator. The planets and most other objects in the solar system tend to have low ecliptic latitude.
