In recent years, outer space has started to resemble a crowded highway during rush hour. According to the European Space Agency (ESA), more than 14,690 satellites are currently orbiting Earth.
France Warns: Space Is Getting Crowded and Risky
That’s nearly three times more than just four years ago. And this number could skyrocket to 100,000 by 2030 if planned satellite projects—like Starlink, Kuiper, OneWeb, and China’s Guowang and Qianfan—go ahead as expected. This growing congestion has raised serious concerns in many countries, including France, which is now intensifying its efforts to monitor and manage space traffic to protect both national and global satellite operations.
But satellites aren’t the only things out there. There’s also a growing swarm of space junk. This includes leftover rocket parts, broken satellite pieces, and fragments from past collisions. ESA estimates that at least 1.2 million pieces of debris larger than 1 centimeter are floating in space. That may sound small, but even a tiny piece like that can severely damage or destroy a working satellite.
Unlike air traffic, which is carefully managed by international authorities, space traffic has no global control system. This makes the environment above Earth chaotic and unpredictable. With satellites playing a critical role in communication, defense, weather tracking, and navigation, this growing clutter poses serious risks.
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France Steps Up Its Space Surveillance
To tackle this rising threat, France is strengthening its space surveillance efforts. Currently, much of the world relies on the United States for data on space objects. Since 1957, the U.S. has built the largest space tracking database, but due to strategic reasons, not all of this information is shared. This makes it difficult for other nations to have a clear, full picture of what’s in orbit.
France’s current space radar, built in 1994, can only observe a specific part of the sky at any one time. This leaves large blind spots where satellites or debris can go unnoticed. To fix this, France is now turning to private companies and new technologies to help monitor space more effectively.
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One of the major efforts involves setting up a network of new radars. The first radar is being built in southern France and is expected to begin operation by the end of summer 2025. More radars will follow in French overseas territories like French Polynesia, Reunion Island, French Guiana, and New Caledonia. These will allow for wider global coverage and more precise tracking.
Another French company is expanding its use of optical sensors. These sensors are already placed across all continents and can spot objects as small as 10 centimeters in low Earth orbit, and up to 40 centimeters in geostationary orbit. Some of these sensors use infrared, allowing them to work even when sunlight interferes with visibility.
A New Market and Smarter Technology
Space surveillance isn’t just a safety concern—it’s also turning into a big business. Experts believe the market for space monitoring, known as space situational awareness (SSA), could generate over $2.4 billion between 2024 and 2032. Several French firms are already investing in this opportunity.
One of the newer technologies being explored uses radio signals sent out by active satellites. By listening to these signals, companies can track where satellites are in real time—even through clouds. This method can’t detect space debris, but it’s reliable in all weather conditions.
Radar systems, on the other hand, are powerful tools that can detect both working satellites and debris. Although they are more expensive to build and operate, they work day and night, in any weather. A major French aerospace company is currently running 103 radar antennas across four continents and plans to increase this to 200 antennas.
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There are also plans to place sensors directly on satellites. These in-orbit sensors would allow satellites to monitor nearby space and alert operators of potential threats. This type of real-time tracking could be crucial in avoiding collisions and protecting satellite networks.
France’s investment in space surveillance shows how seriously the country is taking the issue. With so many satellites and objects flying overhead, having accurate and independent monitoring systems is now a necessity. As the skies above Earth become more crowded, space surveillance is no longer optional—it’s essential.
