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Active Satellites by Category

The catalog of 16,846 active satellites, grouped by purpose. Open a category to browse its satellites, or search them all on the live radar.

Space stations15 satellites Amateur radio154 satellites Search and rescue82 satellites Weather57 satellites Navigation (GNSS)81 satellites Starlink11,184 satellites OneWeb651 satellites Communications674 satellites Earth observation357 satellites Military24 satellites Science and education75 satellites CubeSats43 satellites Other active satellites3,449 satellites

How the catalog is built

Each satellite has a NORAD catalog number, a name and a set of orbital elements published by the US Space Force and distributed by CelesTrak. Categories come from the CelesTrak groups; amateur radio satellites are those listed by CelesTrak as amateur or with an active amateur-service transmitter in the SatNOGS database. Only active satellites are listed; debris and decayed objects are not.

Looking for something to listen to? Start with the amateur radio satellites and the pass predictor.

Positions are computed from public orbital elements (CelesTrak / US Space Force 18th SDS) with the SGP4 model and are accurate to a few kilometres; amateur radio data from the SatNOGS DB (CC BY-SA). Not for navigation or safety-critical use. Method and limits · Radio coverage map · Live HF propagation data