+An **orbital plane** is the imaginary flat surface containing an [Orbit](/wiki/orbit) around a central body. Its orientation in space is a critical parameter in [Orbital Mechanics](/wiki/orbital_mechanics), defining the path's three-dimensional alignment.
+## See also
+- [Inclination](/wiki/inclination)
+- [Orbital Elements](/wiki/orbital_elements)
+- [Spacecraft](/wiki/spacecraft)