satellite_element_propagator.hpp

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#ifndef PERIAPSIS_SPACE_SATELLITE_ELEMENT_PROPAGATOR_H
#define PERIAPSIS_SPACE_SATELLITE_ELEMENT_PROPAGATOR_H

//
// $Id: satellite_element_propagator.hpp 2 2008-03-01 20:58:50Z kulibali $
//
// Copyright (c) 2008, The Periapsis Project. All rights reserved. 
// 
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// modification, are permitted provided that the following conditions are 
// met: 
// 
// * Redistributions of source code must retain the above copyright notice, 
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// 
// * Redistributions in binary form must reproduce the above copyright 
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//

#include "space/space.hpp"
#include "space/propagator.hpp"

namespace periapsis
{

    namespace space
    {

        /// Propagates using satellite elements:
        /// 
        ///   - a     : semi-major axis (km)
        ///   - e     : eccentricity
        ///   - w     : argument of periapsis (degrees)
        ///   - M     : mean anomaly (degrees)
        ///   - I     : inclination (degrees)
        ///   - O     : longitude of the ascending node (degrees)
        ///   - n     : longitude rate (degrees/day)
        ///   - P     : sidereal period (days)
        ///   - Pw    : argument of periapsis precession period (years)
        ///   - Pnode : longitude of ascending node precession period (years)
        ///   - RA    : right ascension of the laplace plane pole
        ///   - DEC   : declination of the laplace plane pole
        ///   - tlit  : tilt of the laplace plane
        ///
        /// Note that this transforms from kilometers/days to meters/seconds.
        
        class SPACE_API satellite_element_propagator
            : public propagator
        {
            double data[13];
            bool has_data;

        public:
            satellite_element_propagator(const gsgl::data::config_record & obj_config);
            virtual ~satellite_element_propagator();

            virtual void update(const double jdn, gsgl::math::vector & position, gsgl::math::vector & velocity);

            BROKER_DECLARE_CREATOR(periapsis::space::satellite_element_propagator);

        private:
            void get_elements(const gsgl::string & str);
        }; // class satellite_element_propagator

    } // namespace space

} // namespace periapsis

#endif

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