Journal of the Korean Society for Aeronautical & Space Sciences (한국항공우주학회지)

The Korean Society for Aeronautical and Space Sciences (한국항공우주학회)
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Design of Micro-Satellite Constellation for Reconnaissance of Korean Peninsula

한반도 감시·정찰을 위한 초소형 위성군 설계

  • Shin, Jinyoung (Astrodynamics and Control Laboratory, Department of Astronomy, Yonsei University) ;
  • Hwang, Youngmin (Astrodynamics and Control Laboratory, Department of Astronomy, Yonsei University) ;
  • Park, Sang-Young (Astrodynamics and Control Laboratory, Department of Astronomy, Yonsei University) ;
  • Jeon, Soobin (Astrodynamics and Control Laboratory, Department of Astronomy, Yonsei University) ;
  • Lee, Eunji (Hanwha Systems Co., ltd) ;
  • Song, Sung-Chan (Hanwha Systems Co., ltd)
  • Received : 2021.11.29
  • Accepted : 2022.05.02
  • Published : 2022.06.01
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Abstract

In this study, we investigated the design methods of satellite constellations to conduct near-real-time surveillance reconnaissance of the Korean Peninsula. Also, we designed satellite constellations utilizing the Walker-Delta method and repeat-ground-track method, and taking into account the target area and the feasible number of satellites. The constrains of the Electro-Optical and Synthetic Aperture Radar equipment were also considered in performance analysis. As a result, the designed constellation has mean revisit time of less than 30 min which enables near-real-time surveillance reconnaissance of the Korean Peninsula. This research provides the strategy to design the satellite constellation for reconnaissance. Furthermore, it contributes to suggesting an operating strategy for micro-satellites constellation and guidelines for establishing space force.

본 연구에서는 한반도에 대해 준 실시간 감시정찰을 수행하기 위한 여러 종류의 위성군 설계 기법들의 장단점을 조사하였다. 또한 지상 궤적 반복궤도 위성군과 워커 위성군을 이용하여 가용한 위성의 수, 궤도면 수 및 위상차에 대해 조합 가능한 모든 경우에서 위성군을 설계하고, 광학 위성과 합성개구레이더(SAR) 위성의 탑재체 제한조건을 반영하여 성능을 분석하였다. 평균 재방문 주기가 30분 이내로 준 실시간 한반도 감시정찰에 적합한 위성군의 특성을 제시하였다. 본 연구는 한반도 지역을 감시·정찰하기 위한 위성군 설계에 대한 전략을 수립하는 데 중요한 자료를 제공할 수 있으며, 나아가 초소형 위성군 운용을 위한 우주전력 구축에 대한 가이드라인을 제시하는 데 기여할 것이다.

Keywords

Acknowledgement

본 연구는 한화시스템(주)의 "초소형 위성 시스템 및 군집위성군 연구" 과제 지원으로 수행되었음.

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