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Wakusei Planets惑星

The Sun, the planets and their moons as a clean line drawing, a shaded realistic drawing or a painted surface map, with real sizes, tilt and rotation, and the moons where they are at any date and time.

Wakusei is the Japanese word 惑星 for a planet. About the name

Contents

Reference · The same, with suncalc 1's conventions (radians, azimuth from south)

getMoonPositionfunction

The Moon's place in the sky, as suncalc 1 gave it: the altitude includes refraction.

Import it

import { getMoonPosition } from "@johnmorrisdotca/wakusei-planets/suncalc/legacy";

Definition

function getMoonPosition(date: Date | number, lat: number, lng: number): LegacyMoonPosition

Parameters

NameTypeDescription
datenumber | Date

The moment.

latnumber

Degrees north.

lngnumber

Degrees east.

Returns

LegacyMoonPosition

The azimuth and altitude in radians, the distance in kilometres and the parallactic angle in radians.

Examples

import { getMoonPosition } from "@johnmorrisdotca/wakusei-planets/suncalc/legacy";

const { distance } = getMoonPosition(new Date(Date.UTC(2026, 10, 7, 12)), 35.7, 139.7);
console.log(Math.round(distance / 1000));
392

What it prints (run when this page was built)

View sourceEdit on GitHubMade from the source of @johnmorrisdotca/wakusei-planets 0.24.0.