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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 · Ten famous spacecraft (Voyager, New Horizons, Pioneer, Cassini, Galileo, Juno, Parker Solar Probe, Webb): facts, events, and where each is at any date from launch to the end of its record

spacecraftSunDistancefunction

A craft's distance from the Sun at a moment, in kilometres.

Import it

import { spacecraftSunDistance } from "@johnmorrisdotca/wakusei-planets/spacecraft";

Definition

function spacecraftSunDistance(id: SpacecraftId, when: When): number

Parameters

NameTypeDescription
id"voyager1" | "voyager2" | "newhorizons" | "pioneer10" | "pioneer11" | "cassini" | "galileo" | "juno" | "parker" | "webb"

The craft.

whenWhen

A Date or milliseconds since 1970 (UTC).

Returns

number

The distance.

Examples

import { loadSpacecraft, spacecraftSunDistance } from "@johnmorrisdotca/wakusei-planets/spacecraft";

await loadSpacecraft("parker");
console.log((spacecraftSunDistance("parker", Date.UTC(2024, 11, 24, 11, 53)) / 1e6).toFixed(1), "million km");
6.9 million km

What it prints (run when this page was built)

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