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Reduction of space debris collision prediction uncertainty based on Q-Sat precise orbit - EurekAlert

Human space activities are becoming increasingly frequent, generating a significant amount of space debris that poses a serious threat to the safety of orbiting spacecraft. Tracking and predicting space debris to provide early warnings of potential catastrophic collisions is a commonly used method. However, due to the orbital determination errors of spacecraft and space debris, the collision prediction results are highly uncertain. Consequently, evasive maneuvers taken by spacecraft in response to collision warnings may be unnecessary, wasting valuable spacecraft fuel and significantly increasing the burden of space asset management and control. With the rapid increase in orbiting spacecraft and space debris, this burden will become unsustainable. Therefore, improving the accuracy of collision warnings is an urgent issue that needs to be addressed.

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