Current catalog

Satellite database

Search an extensive database of active objects orbiting Earth. Explore detailed information, parameters and collections covering space stations, the Starlink constellation and thousands of other satellites, all organised in one place.

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Poznan, Poland

29groups17k+objects17k+active catalog

Data is updated from multiple live sources. Visibility can vary by your location.

All satellite groups

Choose a category to quickly filter and browse objects, from observational satellites and the latest rocket launches to advanced telecommunications and scientific systems.

Observational

The best targets for amateur astronomers and unaided-eye observations.

Space stationsTrack the position of the International Space Station (ISS) and other crewed objects.24 Bright satellitesBright objects ideal for evening observations without a telescope.157

Recent launches

Keep up with the latest space missions and rockets in orbit.

Last 30 daysTrack the trajectories of newly launched objects and satellites added to the CelesTrak database.561

Mega-constellations

Thousands of satellites forming global telecommunications and internet networks.

StarlinkFind SpaceX's famous satellite trains in the night sky.10,930 OneWebA satellite network providing global broadband internet access.651 QianfanAn expanding Chinese broadband constellation in low Earth orbit.238 KuiperA global communications network being developed by Amazon.393

Geostationary

Objects that appear fixed above one point on Earth and play a key role in data transmission.

Active geosynchronousA complete list of satellites in GEO.570 IntelsatAn international network of telecommunications satellites.55 SESA European fleet of broadcasting and communications satellites.68 EutelsatOne of the world's leading satellite operators.29 TelesatA Canadian operator of global communications systems.17

Communications

Systems responsible for navigation, data transmission and global communications.

Iridium NEXTA modern satellite communications network covering the entire planet.80 OrbcommAn industrial communications network for Internet of Things (IoT) devices.14 GlobalstarSatellites supporting satellite phones and low-speed data transmission.28 Amateur radioSatellites with repeaters used by the amateur radio community.97 SatNOGSObjects tracked by a global network of open ground stations.648 Experimental communicationsObjects testing new signal-transmission technologies in space.20 Other communicationsOther civil and commercial communications satellites.28

Science and engineering

Research and meteorological missions, along with instruments monitoring our planet.

GeodeticSurveying satellites studying Earth's shape, gravitational field and surface.10 EngineeringObjects used to test new technological solutions in the vacuum of space.37

Military and special

Satellites used for defence and intelligence, as well as classified missions.

MilitaryGovernment defence satellites operated by different countries.24 Radar calibrationSpherical objects used to test and calibrate ground-based radar systems.10

Small satellites

Miniature spacecraft and student projects revolutionising access to space.

CubeSatsPopular standardised nanosatellites built from small cube-shaped units.86

Base catalog

Complete datasets and raw catalogues for advanced analysis.

Active satellitesA complete raw list of operational objects tracked in orbit.16,331 Iridium 33 debrisA cloud of space debris created by the well-known 2009 collision.111

Satellite Catalog | SkyLep