sun_distance_km
このコンテンツはまだ日本語訳がありません。
Defined in: ephemeris.rs:118
fn sun_distance_km(epoch: &Epoch) -> f64
Sun-Earth distance [km] at the given epoch.
Uses simplified Meeus model with eccentricity correction. Accuracy: ~0.01 AU (~1.5 million km), sufficient for perturbation calculations.
Reference: Meeus, “Astronomical Algorithms”, Chapter 25.