동경 128.2 도의 정지궤도(GEO)에서 운영중인 천리안 위성과 지구동기 전이궤도(GTO) 로켓몸체인 ARIANE 44LP+R/B 의 상호 접근에 대해 분석하였다. 정지궤도와 지구동기 전이궤도의 궤도특성에 대해 알아보고 정지궤도 위성에 접근하여 영향을 줄 수 있는 ARIANE 44LP 로켓몸체와 잔해물을 조사하였다. JSpOC 에서 계산한 접근 메세지 (CSM)와 천리안 위성의 실제적인 궤도결정 결과를 이용한 상호 접근에 대해서 시선방향, 진행방향, 그리고 수직방향으로 분석하였다.
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