Collision Risk Analysis for LEO Satellites with Confidential Orbital Data

• URL: http://arxiv.org/abs/2501.09397v1
• Date: Thu, 16 Jan 2025 09:08:18 GMT
• Title: Collision Risk Analysis for LEO Satellites with Confidential Orbital Data
• Authors: Svenja Lage, Felicitas Hörmann, Felix Hanke, Michael Karl,
• Abstract summary: Collision risk analysis is essential to mitigate satellite collision risk. This contribution proposes a solution based on fully homomorphic encryption (FHE) In contrast to existing methods, this approach ensures that collision risk analysis can be performed on sensitive orbital data without revealing it to other parties.
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• Abstract: The growing number of satellites in low Earth orbit (LEO) has increased concerns about the risk of satellite collisions, which can ultimately result in the irretrievable loss of satellites and a growing amount of space debris. To mitigate this risk, accurate collision risk analysis is essential. However, this requires access to sensitive orbital data, which satellite operators are often unwilling to share due to privacy concerns. This contribution proposes a solution based on fully homomorphic encryption (FHE) and thus enables secure and private collision risk analysis. In contrast to existing methods, this approach ensures that collision risk analysis can be performed on sensitive orbital data without revealing it to other parties. To display the challenges and opportunities of FHE in this context, an implementation of the CKKS scheme is adapted and analyzed for its capacity to satisfy the theoretical requirements of precision and run time.

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