Satellites
Satellite catalog
Tracked constellations and satellite groups sourced from CelesTrak and Space-Track, spanning LEO, MEO, and crewed stations.
Satellites at elevated deorbit risk, ranked by how soon they're likely to reenter — from Space-Track decay data.
Browse by constellation
SpaceX
SpaceX's commercial broadband constellation, the largest in orbit.
Eutelsat OneWeb
European broadband constellation with global coverage ambitions.
Amazon
Amazon's broadband LEO megaconstellation, targeting global internet coverage.
Iridium
Voice and data constellation providing pole-to-pole coverage.
Globalstar
Low-latency voice and data satellite network.
ORBCOMM
IoT and machine-to-machine messaging constellation.
US Space Force
US Global Positioning System navigation satellites. MEO orbit (~20,200 km).
Roscosmos
Russian Global Navigation Satellite System. MEO orbit (~19,100 km).
ESA / EU
European global satellite navigation system. MEO orbit (~23,222 km).
Multi-agency
Crewed space stations including the ISS (NORAD 25544) and Tiangong.
AMSAT / various
Ham radio satellites: SO-50, AO-91, AO-92, FO-29, AO-7, and others.
Multi-operator
Geostationary communications, broadcast, and weather satellites parked at ~35,786 km.
Multi-operator
General low-earth-orbit objects tracked outside the named constellations above.