UNPKG

ootk-core

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Orbital Object Toolkit. A modern typed replacement for satellite.js including SGP4 propagation, TLE parsing, Sun and Moon calculations, and more.

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/** * @author Theodore Kruczek. * @license MIT * @copyright (c) 2022-2025 Theodore Kruczek Permission is * hereby granted, free of charge, to any person obtaining a copy of this * software and associated documentation files (the "Software"), to deal in the * Software without restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of * the Software, and to permit persons to whom the Software is furnished to do * so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ import { Iau1980Entry } from './Iau1980Data.js'; // / Array of the first 4 IAU-1980 coefficients. export const iau1980: Iau1980Entry[] = [ [0, 0, 0, 0, 1, -171996, -174.2, 92025, 8.9], [0, 0, 2, -2, 2, -13187, -1.6, 5736, -3.1], [0, 0, 2, 0, 2, -2274, -0.2, 977, -0.5], [0, 0, 0, 0, 2, 2062, 0.2, -895, 0.5], ];