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Uchusen Rockets宇宙船

Rockets drawn from sourced sizes: line drawings and painted 3D views you drop into a page, take apart and turn round, and a typed model that checks whether a rocket really goes together.

Uchusen is the Japanese word 宇宙船 for spaceship. About the name

Contents

Reference · Journey mode: transfers, launch windows and flip-and-burn trips

GM_KM3_S2constant

Gravitational parameters (GM), cubic kilometres a second squared. NASA/JPL: "Planetary Satellite Physical Parameters" and "Planetary Physical Parameters" (https://ssd.jpl.nasa.gov/), read 2026-11-04. The Sun's is the IAU 2015 nominal value.

Import it

import { GM_KM3_S2 } from "@johnmorrisdotca/uchusen-rockets/journey";

Definition

const GM_KM3_S2: Readonly<Record<string, number>> = {
    sun: 132712440018,
    mercury: 22031.868,
    venus: 324858.592,
    earth: 398600.4418,
    moon: 4902.8,
    mars: 42828.375,
    jupiter: 126686534,
    saturn: 37931187,
    uranus: 5793939,
    neptune: 6836529,
    pluto: 869.6,
}

Examples

import { GM_KM3_S2 } from "@johnmorrisdotca/uchusen-rockets/journey";

console.log(GM_KM3_S2.earth, GM_KM3_S2.moon);
398600.4418 4902.8

What it prints (run when this page was built)

View sourceEdit on GitHubMade from the source of @johnmorrisdotca/uchusen-rockets 0.14.0.