#00Public satellite information

Hundreds of satellite catalogs will give you an answer. None of them show you proof. This one does.

16,564 tracked objects with field-level provenance where available and explicit unknowns where it is not. Search the catalog, or try the API without an account.

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Developers

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Educators

Classroom-ready explainers and lesson material built on real data.

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Journalists & creators

Build a sourced chart or data story from the catalog.

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Mission teams

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#01

Why you can trust this

16,564

tracked objects

16,372

active payloads

Aug 15, 2026

latest recorded source fetch

ODbL-1.0

open data licence

Available field-level claims show their source; missing provenance is explicit. Data is reconciled from CelesTrak, GCAT / J. McDowell, Wikidata, and SatNOGS DB with provenance. Read the public methodology.

Orbital data is approximate and not for operations

Recently launched payloads

Rebuilt from the catalogue as new objects arrive. Radio passes, launches and orbital events each have a page of their own.