Concept information
Preferred term
Ascending node
Definition
- The point in an orbit where the orbiting body crosses a reference plane, such as the ecliptic or the celestial equator, going from south to north. The celestial longitude of the ascending node is one of the elements of the orbit. (en)
Broader concept
- Orbital nodes (en)
Entry terms
- North node (en)
Editorial note
URI
http://astrothesaurus.org/uat/69
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