ootk-core
Version:
Orbital Object Toolkit. A modern typed replacement for satellite.js including SGP4 propagation, TLE parsing, Sun and Moon calculations, and more.
52 lines • 2.13 kB
JavaScript
/**
* @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 { iau1980 } from './iau1980.js';
// / Container for IAU-1980 data.
export class Iau1980Data {
coeffs_;
// / Create a new [Iau1980Data] object.
constructor(coeffs) {
this.coeffs_ = coeffs;
}
/**
* Create a new [Iau1980Data] container object from an array of IAU-1980
* coefficient tuples [coeffs].
* @param coeffs IAU-1980 coefficients.
* @returns A new [Iau1980Data] object.
*/
static fromCoeffs(coeffs) {
const output = [];
for (const c of coeffs) {
const [a1, a2, a3, a4, a5, ai, bi, ci, di] = c;
output.push([a1, a2, a3, a4, a5, ai, bi, ci, di]);
}
return new Iau1980Data(output);
}
// / Get IAU-1980 coefficients for a given row number.
getCoeffs(row) {
return this.coeffs_[row];
}
}
// / IAU-1980 data container.
export const iau1980Data = Iau1980Data.fromCoeffs(iau1980);
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