Resources
Tools, sites and references for satellite connectivity
A curated collection of tools, websites, reports and videos to help you navigate the LEO satellite ecosystem.
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4 resources found
CelesTrak: orbital element sets for Starlink, OneWeb, Kuiper and every constellation
CelesTrak, run by Dr. T.S. Kelso, publishes the general perturbation element sets (TLE, OMM, JSON, CSV) for every tracked satellite, grouped by constellation: Starlink, OneWeb, Kuiper, Iridium NEXT, Globalstar and more, plus operator-supplied supplemental data. Free, updated continuously.
Jonathan McDowell's Starlink statistics: launched, in orbit, working, reentered
The independent ledger of the Starlink constellation, updated several times a day by astronomer Jonathan McDowell: 12,962 satellites launched, 11,154 in orbit, 11,139 working and 1,808 reentered or failed as of 21 September 2026, broken down by generation and by launch. The citation-grade source for constellation size.
satellitemap.space: real-time map of Starlink, OneWeb and 30,000 satellites
satellitemap.space, online since 2019, plots more than 30,000 satellites live on a WebGL globe with dedicated views for Starlink and other internet constellations: growth and launch charts, decays, orbits, ground stations, a re-entry monitor, close-approach detector and a LEO box score comparing constellations.
LeoLabs Space Platform: live LEO visualization and conjunction search
LeoLabs' browser visualization of low Earth orbit, built on its own radar network: search the catalogue by satellite or constellation, watch today's conjunctions and follow launches. Free to open, commercial data behind it.