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physical phenomena > event > celestial event > periodic celestial event > orbital event > Sun orbital event > ascending node > dynamical equinox

dynamical equinox
subject			fact

dynamical equinox	see also catalog equinox
	see also equinox
	has definition The ascending node of the Earth's mean orbit on the Earth's equator; i.e., the intersection of the ecliptic with the celestial equator at which the Sun's declination is changing from south to north.
	is an instance of ascending node
Sun orbital event	has participants planet, Sun
orbital event	has period 1 orbital period
event	has duration
	has synonym world point
	has time of occurrence