Noun
the point at which an orbit crosses the ecliptic plane going north
Source: WordNetAfter passing the ascending node, Pluto is interior to Neptune's orbit and moving faster, approaching Neptune from behind. Source: Internet
A secular resonance occurs when the precession of two orbits is synchronised (usually a precession of the perihelion or ascending node ). Source: Internet
The longitude of the ascending node is the angle between the reference plane's 0 longitude and the planet's ascending node. Source: Internet