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http://dx.doi.org/10.5140/JASS.2005.22.4.527

ANALYSIS OF COMS-1 NORTH-SOUTH STATION KEEPING METHOD  

Kim, Hae-Yeon (Electronics and Telecommunications Research Institute)
Lee, Byoung-Sun (Electronics and Telecommunications Research Institute)
Hwang, Yoo-La (Electronics and Telecommunications Research Institute)
Kim, Young-Rok (Dept. of Astronomy and Space Science., Yonsei. University)
Park, Sang-Young (Dept. of Astronomy and Space Science., Yonsei. University)
Kim, Jae-Hoon (Electronics and Telecommunications Research Institute)
Publication Information
Journal of Astronomy and Space Sciences / v.22, no.4, 2005 , pp. 527-536 More about this Journal
Abstract
The perturbations caused by the Sun and the Moon are predominantly out-of-plane effects causing a change in the inclination and in the right ascension of ascending node of a geostationary satellite. Due to the change of the inclination, subsatellite latitude of the geostationary satellite has a daily variations of the same magnitude of the inclination. Therefore we need a facility to control the orbital inclination and right ascension of ascending node for maintaining the satellite position in specified subsatellite latitude boundary using thrusters. In this paper we studied North-South station keeping strategies of the COMS-1 such as Track-Back Chord Target (TBCT) method, Maximum Compensation Target (MCT) method and Minimum Fuel Target (MFT) method. We accomplished those North-South station keeping maneuvers for one year starting from December 2008. The required velocity increments to maintain the satellite are estimated as MCT 52.6065m/s, TBCT 52.2383m/s, MFT 51.5428m/s, respectively. We demonstrated that TBCT and MFT methods are proper to North-South station keeping for COMS-1. MFT method showed the minimum required velocity increments whereas TBCT traced narrow inclination boundary area for North-South station keeping.
Keywords
COMS-1; north-south station keeping; box-limit; TBCT; MCT; MFT;
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