- Eyes in the Skies: Artificial Satellites for the Beginner
 - Guide created by students at St. Mary's High School, Manhasset, NY. - Glossary of Satellite Terms
- Heavens-Above
- Dynamically generated pages which give visible satellite passes and real-time orbit displays for any location in the world.
- Intelsat
- Offers wholesale satellite communications services.
- Lloyd's Satellite Constellations
- Index and commentary on Iridium, Teledesic, Globalstar, ICO, Orbcomm, GPS and other LEO/MEO/GEO schemes.
- NASA: How Satellites Work
- Teacher's resource, covering satellite design, orbits, launching, and more.
- NASA: J-Track Satellite Tracking
- Keep track of your favourite orbiting objects, including spacecraft, weather satellites, and broadcast satellites. From NASA.
- National Reconnaissance Office@
- News About Satellites and Space Exploration
- News items with links concerning space exploration satellite missions, Nobel Prizes, navigation, of satellite lunches, lost satellites, and the first Australian satellite for science.
- Satellite Encyclopedia, The
- Fact sheets containing basic information such as launch date, country of origin, official identification, and payload description.
- Satellite Remote Sensing and Archaeology
- Provides a locus for information relating to the application of satellite imagery to archaeology. It includes an extensive bibliography and samples of images of archaeological sites.
- SatPasses
- Tells when certain selected spacecraft will be in range for visual observations or for radio communications. Data are provided in tabular form for cities in the United States and Canada.
- Small Satellites
- Resources for, and links to small satellite projects.
- TELSAT Guide
- Remote sensing reference providing information on satellites and sensors, distribution of data, and products and applications.
- UCS Satellite Database
- Lists operational military and civilian satellites currently in orbit around the Earth. From the Union of Concerned Scientists.
- United States Space Command (USSPACECOM)@
- Visual Satellite Observer
- Why, when, and what to look for in terms of satellites in the night sky.
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