SpaceX has revealed that its Starlink satellite network narrowly avoided thousands of potential collisions last year, with Chinese satellites posing one of the biggest risks. According to official filings, the company had to carry out an unprecedented number of evasive maneuvers to keep its satellites safe while operating in increasingly crowded low-Earth orbit.
The data highlights growing concerns about space congestion as multiple countries expand their satellite constellations for global internet coverage.
Thousands of Emergency Maneuvers Recorded
In a report submitted to the US Federal Communications Commission on December 31, SpaceX disclosed that between June 1 and November 30 last year, its Starlink satellites performed 148,696 collision-avoidance maneuvers. These adjustments were made to prevent possible crashes with other satellites or space debris.
Out of the top 20 space objects that triggered avoidance actions, seven belonged to China. Together, they accounted for 3,732 separate maneuvers, making them the single largest source of collision risk for the Starlink fleet.
Chinese Satellite Behind Over 1,100 Near Misses
One Chinese satellite alone was responsible for more than 1,100 course changes. The satellite, known as Honghu-2, was launched in December 2023 and is operated by Hongqing Technology. Due to its orbit and proximity to Starlink satellites, it repeatedly triggered collision alerts.
SpaceX noted that each maneuver consumes fuel and reduces the operational lifespan of a satellite, making frequent adjustments a serious long-term concern.
Space Debris Adds to the Danger
Apart from active satellites, debris from earlier Chinese space missions also contributed significantly to the risks. Fragments from a Long March 6A rocket launch in 2022 caused over 1,700 avoidance maneuvers. Additional debris linked to a 2007 Chinese anti-satellite missile test led to more than 400 further course corrections.
Another Chinese satellite launched as part of the YunYao-1 constellation also forced hundreds of evasive movements last year.
US and Argentine Satellites Also Involved
The report noted that not only Chinese objects posed risks. Satellites operated by the United States and Argentina were also responsible for thousands of close approaches. Several Argentine satellites, now operated by a US-based firm, triggered more than 2,000 maneuvers.
Starlink satellites rely on automated navigation systems and electric Hall-effect thrusters to adjust their orbits when potential collisions are detected. While effective, these systems consume fuel and shorten satellite life expectancy.
SpaceX Calls for Better Global Coordination
SpaceX expressed concern over the lack of international cooperation in space traffic management. The company said effective collision avoidance depends on timely data sharing between satellite operators, which remains inconsistent.
In its filing, SpaceX noted that coordination is especially difficult with some foreign operators who do not regularly share orbital data or contact information. This lack of transparency increases the risk of accidents in already crowded orbits.
With thousands of new satellites planned by governments and private companies worldwide, experts warn that space congestion could worsen unless stronger international rules and communication systems are put in place.