Package

satellite.js

SGP4/SDP4 calculation library

v7.1.0MITESM onlyTypes: Bundled

$ npm install satellite.js

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 103.9k; +454% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 0; Direct, from package.json
Last release: -; v7.1.0
GitHub stars: 1.1k; 172 forks
Open issues / PRs: 5 / 4
Contributors: -
Commits, last 52 weeks: 76

Downloads

Last week 2026-09-15 to 2026-09-21

Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

103,932 downloads last week, 515,659 in the last month. The 12-month change of +454% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: -
Latest version: 7.1.0
First published: -
Last push to GitHub: 20 Sept 20264 days before the snapshot
Repository archived: No
Open issues: 5
Open pull requests: 4
Commits, last 52 weeks: 76
Dependents on npm: -

Major versions

Recent releases

Compatibility

Module format: ESM onlyFrom package.json type, main and exports fields
TypeScript types: Bundled
Node.js engine range: Not declared
Runtimes: -
Unpacked size (npm): 653 kB
Dependencies (0): None

Install

npm install satellite.js

CDN

jsDelivr: 542.5k requests in 30 days

jsDelivrhttps://cdn.jsdelivr.net/npm/satellite.js@7.1.0/
unpkghttps://unpkg.com/satellite.js@7.1.0/
esm.shhttps://esm.sh/satellite.js@7.1.0

Sources: npm registry, npm downloads API, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): no category.