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Added daytime property

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This commit is contained in:
Zakary Timson
2026-06-24 16:19:14 -04:00
parent fabf536db4
commit 5e044dfd68
2 changed files with 0 additions and 23 deletions
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21
server/src/celestial.mjs
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@@ -111,26 +111,6 @@ function moonPosition(lat, lon, date = new Date()) {
};
}
function sunMoonDistance(date = new Date()) {
const d = jdn(date) - 2451545;
// Sun ecliptic longitude
const Ls = (280.46 + 0.9856474 * d) % 360;
const gs = (357.528 + 0.9856003 * d) % 360;
const sunLon = Ls + 1.915 * Math.sin(gs * RAD) + 0.02 * Math.sin(2 * gs * RAD);
// Moon ecliptic longitude
const Lm = (218.316 + 13.176396 * d) % 360;
const Mm = (134.963 + 13.064993 * d) % 360;
const Fm = (93.272 + 13.229350 * d) % 360;
const moonLon = Lm + 6.289 * Math.sin(Mm * RAD);
const moonLat = 5.128 * Math.sin(Fm * RAD);
// Angular separation
const dLon = (moonLon - sunLon) * RAD;
const sep = Math.acos(
Math.cos(moonLat * RAD) * Math.cos(dLon)
) * DEG;
return { sun_moon_separation: Math.round(sep * 10) / 10 };
}
function moonPhase(date = new Date()) {
const jd = jdn(date);
const cycle = 29.53058867;
@@ -222,7 +202,6 @@ export function getCelestialCurrent(lat, lon, date = new Date()) {
...sunriseSunset(lat, lon, date),
...moonPhase(date),
...moonPosition(lat, lon, date),
...sunMoonDistance(date),
...nextMoonEvents(date),
...moonriseMoonset(lat, lon, date),
};