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SpaceX Warns of Dangerous Close Encounter with Chinese Satellites
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A recent Chinese satellite deployment came within 200 meters of a spacex Starlink satellite, raising concerns about space debris and orbital safety.
What Happened?
On December 10, China launched nine satellites using a Kinetica-1 rocket. SpaceX reported a dangerously close approach between one of these satellites and its Starlink-6079 spacecraft on December 12. According too Michael Nicolls, SpaceX’s vice president of Starlink engineering, the satellites came within 200 meters (approximately 656 feet) of each other at an altitude of 560 kilometers (348 miles). aviation Week and Space Technology first reported the incident.
The Risk of Close Approaches
Close approaches between satellites are becoming increasingly common as more and more objects are launched into orbit. The risk isn’t necessarily a direct collision, but the potential for creating space debris. Even small fragments from a collision can travel at extremely high speeds, posing a threat to other satellites and spacecraft.The U.S. Space Force is tracking over 30,000 pieces of orbital debris as of December 2023.
| Orbital Debris Size | Estimated Number of Pieces | Potential Impact |
|---|---|---|
| Larger than 10 cm (4 inches) | ~30,000 | Catastrophic collision potential |
| 1-10 cm (0.4-4 inches) | ~1 million | Notable damage to spacecraft |
| 0.1-1 cm (0.04-0.4 inches) | ~130 million | Mission-critical component damage |
SpaceX’s Response and Concerns
Michael Nicolls emphasized the need for better coordination between satellite operators. In a December 12 post on X (formerly Twitter), he stated, “Most of the risk of operating in space comes from the lack of coordination between satellite operators-this needs to change.” SpaceX has previously demonstrated its ability to autonomously maneuver Starlink satellites to avoid collisions, but this relies on accurate tracking data and timely warnings.
The company responsible for the Kinetica-1 rocket launch, Expace, reportedly blamed the satellite’s customer for the incident, suggesting they did not provide sufficient orbital facts. This highlights a potential breakdown in communication and responsibility within the space industry.
The Broader Context: Space Traffic management
This incident underscores the growing need for improved space traffic management (STM). Currently, there is no single, internationally recognized authority responsible for regulating orbital activity. The U.S. Space Force provides space domain awareness, tracking objects in orbit
