Satellite Information
Our World in Data – https://ourworldindata.org/space-exploration-satellites
Contains interactive charts on space exploration an satellites (inc annual number of satellites launched by country) for each year from 1957-2023.
Orbiting Now – https://orbit.ing-now.com/
You can use this web site to browse active Satellite information derived from TLE (Two-Line Element set) orbit data and other public domain resources. TLE is a data format used to describe the orbital elements of Earth-orbiting objects, enabling their future positions and velocities to be predicted.
Orbital and Suborbital Launch Sites of the world from Bryce Tech – as of January 3 2022 – https://www.visualcapitalist.com/wp-content/uploads/2022/10/worlds-rocket-launch-sites-fullsize.html
This map of orbital and suborbital launch sites of the world is a comprehensive representation of global spaceports, highlighting their capabilities for orbital, suborbital, and ballistic missile launches.
Gunter’s Space Page – https://space.skyrocket.de/index.html
Established in 1996, Gunter’s Space Page is one of the leading and most comprehensive online resources dedicated to space missions, satellites, rockets, and related space exploration activities.
Jonathan’s Space Report – https://planet4589.org/
Jonathan’s Space Report is a newsletter about the Space Age, hosted at Jonathan’s Space Page. It is written by Jonathan McDowell, a Harvard-Smithsonian Center for Astrophysics astrophysicist. It is updated as McDowell’s schedule permits, but he tries to publish two issues each month.
The European Space Agency
A Summary of Space Environment Statistics – https://sdup.esoc.esa.int/discosweb/statistics/ updated on 23 July 2025 is a useful summary of space objects.
Palestine Space Institute – https://www.palestinespace.org
Includes: PSI Fellowship Program “designed to foster groundbreaking research in the field of space ethics and technology“; PSI Database that “captures some of the ties between the military industrial complex (MIC) that is facilitating the genocide in Gaza“; PSI Blog to “share insights from our research, updates on our projects, and thought-provoking discussions on the ethical and policy challenges shaping the future of space exploration“.
The Annual Space Environment Report – https://www.sdo.esoc.esa.int/environment_report/Space_Environment_Report_latest.pdf.
Issued in March 2025 contains more detailed information up to 2023 about space objects and debris and events.
The Centre for Space Environmentalism – https://www.spaceenvironmentalism.org/
Space environmentalism is an emerging area of academic inquiry and social advocacy focused on the protection of the space environment.
Celestrak
https://celestrak.org/ contains a lot of more technical articles and information that is regularly updated
The satellite catalogue by country https://celestrak.org/satcat/boxscore.php is useful
The United Nations Office for Outer Space Affairs
https://www.unoosa.org/oosa/osoindex/search-ng.jspx has an online Index of Objects launched into Outer Space – it shows which objects have been registered with the UN and which haven’t – so many, inc Starlink satellites haven’t registered.
Also:
Shows you global satellite positions. You can rotate the globe by moving your cursor around on the image.
Live map of satellite positions and more.
Watch the year by year explosion of orbital crowding:
