# @ortho-earth/ephem

> 太陽系エフェメリス（JPL近似軌道要素1800-2050・Schlyter月理論・IAU自転）＋共通の時計（ephem/clock・#42）＋人工衛星 SGP4/SDP4（ephem/sgp4）。ortho-solar と ortho-japan の共用臓器

Latest version **1.0.0** (published 2026-09-23) · GPL-3.0-or-later license · 0 weekly downloads

_The full health report (score, vulnerabilities, README, dependency tree, version history) is being computed; this document will grow once it lands._

## Install

```sh
npm install @ortho-earth/ephem
pnpm add @ortho-earth/ephem
yarn add @ortho-earth/ephem
bun add @ortho-earth/ephem
```

## Facts

| | |
|---|---|
| Version | 1.0.0 |
| Published | 2026-09-23 |
| First published | 2026-09-23 |
| Weekly downloads | 0 |
| License | GPL-3.0-or-later |
| TypeScript types | none |
| Module format | ESM + CommonJS |
| Dependencies | 0 |
| Unpacked size | 64.5 KB |
| Maintainers | kenji.yoshida.home.2026 |
| Keywords | ephemeris, astronomy, solar-system, sgp4, satellite, orbit, clock, ortho-earth |

## Links

- npm: https://www.npmjs.com/package/@ortho-earth/ephem
- Repository: https://github.com/kenjiyoshidahome2026-bit/ortho-earth
- Homepage: https://www.ortho-earth.com/solar/
- npm.io page: https://npm.io/package/@ortho-earth/ephem

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_Source: https://npm.io/package/@ortho-earth/ephem · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._