obliquity
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Defined in: mod.rs:178
fn obliquity(epoch: &[Epoch<Tdb>](../../structs/epoch/)) -> f64
Mean obliquity of the ecliptic at epoch [radians].
Reference: Meeus, “Astronomical Algorithms”.
Time scale
Section titled “Time scale”Meeus ephemerides take a dynamical time argument (TDB), so this signature
requires &Epoch<Tdb> — the caller converts at the boundary
(utc.to_tdb()).