Monte Carlo Analysis for Station Acquisition Error Correction of Satellite

Astronomy and Astrophysics – Astronomy

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Scientific paper

The purpose of preigee kick motor firing is to place a satellite into transfer orbit and that of apogee kick motor firing ti to place the satellite into geosynchonous orbit in order to increase the semi-major axis of the transfer orbit and reduce the inclination of the transfer orbit. Because apogee motor firing is always accompanied with injection errors, the satellite in not placed into geosynchonous orbit but into a near-geosynchonous orbit, also known as a drift orbit. Thus, the orbital maneuver to correct drift orbit into geosynchonous orbit is required, this maneuver is called the station acquisition. For reduction of expenditure and performance of mission, we estimate ¡âV budget and required fuel allowance for station acquisition. As the uncertainty of drift orbit by injection error of perigee and apogee kick motor firing prevents us from obtaining exact ¡âV budget, statistical Monte Carlo simulation technique is used in order to get optimal ¡âV budget and required fuel allowance with a probability of 99%. With respect to Korea satellite launched by Delta-2 launch vehicle in 1995, Monte Carlo analysis is used in order to get various orbital parameters, ¡âV budget and required fuel allowance for station with a probability of 99%.

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