Processing of satellite motion and status data

JP2024541955A5Active Publication Date: 2025-10-22アイサイ オサケユキチュア
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Patent Information

Application Number
JP2024525163
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2021-10-29
Filing Date
2022-10-14
Publication Date
2025-10-22
Estimated Expiration
2042-10-14

AI Technical Summary

Technical Problem

In the field of Synthetic Aperture Radar (SAR) imaging using small satellites, the accuracy of satellite positioning and orbit determination (OD) is compromised by anomalies in GPS measurements due to issues like loss of telemetry data or temporary damage to the GNSS receiver, leading to uncertainties in satellite placement and potential collisions or debris avoidance.

Method used

A method for processing satellite status data involves receiving and compiling raw data from multiple sources into a searchable dataset, filtering it using an orbit determination process, and incorporating maneuver data to improve accuracy, while also scheduling maneuvers to avoid collisions and maintain optimal orbits.

Benefits of technology

Enhances the accuracy of satellite positioning and orbit maintenance, reducing the risk of collisions and ensuring precise image formation by integrating filtered and predicted ephemerides with dynamic models, thus improving the reliability of satellite operations.

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Abstract

A method for scheduling maneuvers of a satellite is provided, the method including receiving parameters for one or more planned maneuvers for moving a satellite (100) from a current orbit to a new orbit, the parameters including a time and duration for each of the one or more planned maneuvers, receiving a time of a solar eclipse by the Earth during a future orbit of the satellite, and scheduling the maneuvers to be performed according to the determined parameters and the time of the solar eclipse.
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