💿🐜 Antkeeper source code
https://antkeeper.com
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48 lines
1.4 KiB
48 lines
1.4 KiB
/*
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* Copyright (C) 2020 Christopher J. Howard
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*
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* This file is part of Antkeeper source code.
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*
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* Antkeeper source code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Antkeeper source code is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef ANTKEEPER_CELESTIAL_MECHANICS_HPP
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#define ANTKEEPER_CELESTIAL_MECHANICS_HPP
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#include "utility/fundamental-types.hpp"
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namespace ast
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{
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struct orbital_elements
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{
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double a; ///< Semi-major axis (km)
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double e; ///< Eccentricity
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double w; ///< Argument of periapsis (radians)
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double m; ///< Mean anomaly (radians)
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double i; ///< Inclination to the ecliptic (radians)
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double n; ///< Longitude of the ascending node (radians)
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};
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//constexpr orbital_elements j2k_orbit_moon = {384400.0, 0.0554, 318.15, 135.275.16, 125.08};
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struct orbital_state
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{
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double3 r; ///< Cartesian position
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double3 v; ///< Cartesian velocity
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};
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} // namespace ast
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#endif // ANTKEEPER_CELESTIAL_MECHANICS_HPP
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