Journal of Astronomy and Space Sciences

  • 제28권4호
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  • Pages.333-344
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  • 2011
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  • 2093-5587(pISSN)
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  • 2093-1409(eISSN)
한국우주과학회 (The Korean Space Science Society)
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A Study on the Strategies of the Positioning of a Satellite on Observed Images by the Astronomical Telescope and the Observation and Initial Orbit Determination of Unidentified Space Objects

  • Choi, Jin (Space Situational Awareness Center, Korea Astronomy and Space Science Institute) ;
  • Jo, Jung-Hyun (Space Situational Awareness Center, Korea Astronomy and Space Science Institute) ;
  • Choi, Young-Jun (Space Situational Awareness Center, Korea Astronomy and Space Science Institute) ;
  • Cho, Gi-In (Space Situational Awareness Center, Korea Astronomy and Space Science Institute) ;
  • Kim, Jae-Hyuk (Space Situational Awareness Center, Korea Astronomy and Space Science Institute) ;
  • Bae, Young-Ho (Space Situational Awareness Center, Korea Astronomy and Space Science Institute) ;
  • Yim, Hong-Suh (Space Situational Awareness Center, Korea Astronomy and Space Science Institute) ;
  • Moon, Hong-Kyu (Space Situational Awareness Center, Korea Astronomy and Space Science Institute) ;
  • Park, Jang-Hyun (Space Situational Awareness Center, Korea Astronomy and Space Science Institute)
  • 투고 : 2011.11.07
  • 심사 : 2011.11.24
  • 발행 : 2011.12.15
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초록

An optical tracking system has advantages for observing geostationary earth orbit (GEO) satellites relatively over other types of observation system. Regular surveying for unidentified space objects with the optical tracking system can be an early warning tool for the safety of five Korean active GEO satellites. Two strategies of positioning on the observed image of Communication, Ocean and Meteorological Satellite 1 are tested and compared. Photometric method has a half root mean square error against streak method. Also eccentricity method for initial orbit determination (IOD) is tested with simulation data and real observation data. Under 10 minutes observation time interval, eccentricity method shows relatively better IOD results than the other time interval. For follow-up observation of unidentified space objects, at least two consecutive observations are needed in 5 minutes to determine orbit for geosynchronous orbit space objects.

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참고문헌

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피인용 문헌

  1. Analysis of the angle-only orbit determination for optical tracking strategy of Korea GEO satellite, COMS vol.56, pp.6, 2015, https://doi.org/10.1016/j.asr.2015.06.005
  2. Optical Orbit Determination of a Geosynchronous Earth Orbit Satellite Effected by Baseline Distances between Various Ground-based Tracking Stations I: COMS simulation case vol.32, pp.3, 2015, https://doi.org/10.5140/JASS.2015.32.3.221
  3. Minimum Number of Observation Points for LEO Satellite Orbit Estimation by OWL Network vol.32, pp.4, 2015, https://doi.org/10.5140/JASS.2015.32.4.357
  4. Development of a Reduction Algorithm of GEO Satellite Optical Observation Data for Optical Wide Field Patrol (OWL) vol.32, pp.3, 2015, https://doi.org/10.5140/JASS.2015.32.3.201
  5. Optical Orbit Determination of a Geosynchronous Earth Orbit Satellite Effected by Baseline Distances between Various Ground-based Tracking Stations II: COMS Case with Analysis of Actual Observation Data vol.32, pp.3, 2015, https://doi.org/10.5140/JASS.2015.32.3.229