Knowledge · Directory
Global satellite resources
The sources we trust and use ourselves: agencies, system operators, tracking data, subsea references and standards bodies from around the world. Every link is checked before publication.
Agencies and institutions
The bodies that regulate, fund and fly the world’s space programmes.
UNOOSA UN Office for Outer Space Affairs; treaties and the space object registry unoosa.org MYSA Malaysian Space Agency, the national focal point under MOSTI mysa.gov.my NASA US civil space agency; missions, data and research nasa.gov ESA European Space Agency; Earth observation and navigation programmes esa.int JAXA Japan Aerospace Exploration Agency global.jaxa.jp ISRO Indian Space Research Organisation isro.gov.in
Navigation systems (GNSS)
Official system operators and the reference documentation engineers actually use.
BeiDou (official) China Satellite Navigation Office: system news, ICDs and service specifications en.beidou.gov.cn GPS.gov Official US government information on GPS policy and performance gps.gov EUSPA EU Agency for the Space Programme; Galileo and EGNOS euspa.europa.eu ESA Navipedia The reference encyclopaedia of GNSS signals and techniques gssc.esa.int/navipedia/index.php/Main_Page IGS International GNSS Service; precise orbits, clocks and station data igs.org
Tracking and constellation data
Where the orbits live: element sets, pass predictions and launch logs.
CelesTrak Orbital element sets and satellite catalogue data since 1985 celestrak.org N2YO Live satellite tracking and pass predictions n2yo.com Heavens-Above Visible pass predictions for any location heavens-above.com Jonathan's Space Pages Authoritative launch and satellite statistics, maintained by Jonathan McDowell planet4589.org eoPortal ESA-hosted encyclopaedia of Earth-observation missions and sensors eoportal.org
Submarine cable systems
The subsea layer of the internet, mapped and documented.
Standards bodies
Where satellite communications and IoT interoperability are written down.
News and analysis
The outlets our own daily newswire draws from.
External links open the original publisher. Inclusion is editorial, not commercial; we list what practitioners actually rely on.