What is the best alternative to Celestrak?

The top-rated alternatives to Celestrak in the Aerospace & Astrodynamics category include TLE Satellite Tracker, Open Ephemeris, Meteors. These servers offer complementary or alternative capabilities depending on your deployment stack and authentication requirements.

How do Celestrak alternatives differ in installation and runtime?

Celestrak and its alternatives vary by runtime requirement (Node.js/npx, Python/uvx, Docker, or remote HTTP/SSE endpoints). Check the specification comparison table above to verify command requirements before installing.

Are alternatives to Celestrak free and open source?

Most MCP servers listed on AllMCPs are open source tools under MIT or Apache licenses that you can self-host or run locally with Claude Desktop, Cursor, VS Code, or Windsurf.

How do I side-by-side compare Celestrak with a specific alternative?

Click the "Compare side-by-side →" button on any alternative card to see an in-depth comparison matrix covering feature lists, stars, npm downloads, install configurations, and schema specifications.

Best Alternatives to Celestrak (Aerospace & Astrodynamics)

Server Name	Runtime	Auth	Pricing	GitHub Stars	Downloads	Action
Celestrak (Target)	Remote (SSE)	Free/None	Free	—	—	Current
TLE Satellite Tracker	Remote (SSE)	Free/None	Free	6	—	Compare →
Open Ephemeris	npx	Free/None	Free	3	—	Compare →
Meteors	Remote (SSE)	Free/None	Free	—	—	Compare →
Bhoonidhi MCP	uvx	Free/None	Free	2	—	Compare →
L Landbenchmark MCP	npx	Free/None	Free	—	—	Compare →
Orbit	npx	Free/None	Free	10	—	Compare →
Celestial Node	npx	Free/None	Free	—	—	Compare →
Sidereon	Remote (SSE)	Free/None	Free	16	—	Compare →
Orbit Sentinel MCP	npx	API key	Free	1	—	Compare →
H Horizons Nasa	Remote (SSE)	Free/None	Free	—	—	Compare →
N Nasa Power	Remote (SSE)	Free/None	Free	—	—	Compare →
Exoplanet Archive	Remote (SSE)	Free/None	Free	—	—	Compare →