meanLunarInclination top-level constant
Mean inclination of the lunar orbit to the ecliptic, in degrees.
A working value (about 5°08′43″); the primary source is still to be found – see SOURCES.md. Checked empirically: mean Lilith agrees with astro.com to 0.5″.
Implementation
const double meanLunarInclination = 5.1453964;