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ANTENNA POINTING TO THE GEO SATELLITE USING CONVERTED NORAD TLE FROM OSCULATING ORBITAL ELEMENTS

접촉궤도요소로부터 변환된 NORAD TLE를 이용한 정지위성의 안테나 포인팅

  • 이병선 (한국전자통신연구원 위성관제기술연구팀) ;
  • 김해연 (한국전자통신연구원 위성관제기술연구팀) ;
  • 황유라 (한국전자통신연구원 위성관제기술연구팀) ;
  • 김재훈 (한국전자통신연구원 위성관제기술연구팀)
  • Published : 2007.06.10

Abstract

Antenna pointing analysis for a geostationary satellite has been performed for using the NORAD Two-Line-Elements (TLE) converted from osculating Keplerian orbital elements. In order to check the possibility of the reception of the satellite signal, the antenna offset angles have been derived for the Communications, Ocean, and Meteorological Satellite (COMS) which carries out weekly East-West and North-South station-keeping maneuvers and twice a day thruster assisted momentum dumping. Throughout the analysis, it is shown that the use of converted NORAD TLE simplifies the antenna pointing related interfaces in satellite mission control system. For a highly eccentric transfer orbit cases, further analysis presents that the converted NORAD TLE from near apogee gives more favorable results.

Keywords

NORAD TLE;COMS;antenna pointing

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