Calculate the Mean North Node longitude.
The mean node moves smoothly retrograde at ~0.0529°/day. This is the "averaged" position without perturbations.
Julian Date
Mean North Node longitude in degrees [0, 360)
import { getMeanNodeLongitude } from 'celestine';const jd = 2451545.0; // J2000.0const meanNode = getMeanNodeLongitude(jd);console.log(meanNode); // ~125.04° Copy
import { getMeanNodeLongitude } from 'celestine';const jd = 2451545.0; // J2000.0const meanNode = getMeanNodeLongitude(jd);console.log(meanNode); // ~125.04°
Calculate the Mean North Node longitude.
The mean node moves smoothly retrograde at ~0.0529°/day. This is the "averaged" position without perturbations.