feat: 更新 TLE 数据处理和示例，完善卫星轨道参数解析逻辑
This commit is contained in:
严浩
@ -18,3 +18,10 @@
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- https://blog.csdn.net/m0_54849806/article/details/126070809
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- https://juejin.cn/post/6969838266182795278
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- https://blog.csdn.net/CSDNqinzhike/article/details/139587028
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## TLE
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- https://en.wikipedia.org/wiki/Two-line_element_set#Format
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- https://grok.com/share/bGVnYWN5_f2c51def-f941-4c75-b020-e76534ba5c5e
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- https://celestrak.org/NORAD/elements/gp.php?GROUP=last-30-days&FORMAT=tle
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- https://celestrak.org/NORAD/elements/gp.php?GROUP=last-30-days&FORMAT=json
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@ -1,109 +1,206 @@
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// eslint-disable no-unused-vars
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/* eslint-disable perfectionist/sort-objects */
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// eslint-disable no-unused-vars
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import { twoline2satrec } from 'satellite.js';
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// https://en.wikipedia.org/wiki/Two-line_element_set#Format
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// https://celestrak.org/NORAD/elements/gp.php?GROUP=last-30-days&FORMAT=tle
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const longstr1 = `1 63157U 25045A 25069.35219743 .00000545 -65692-6 00000+0 0 9992`;
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const longstr2 = `2 63157 19.0062 64.6364 7327661 179.7218 141.4162 2.26206155 28`;
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const longstr1 = `1 62949U 25029B 25070.91668981 .00039463 00000+0 99294-3 0 9990`;
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const longstr2 = `2 62949 53.1596 120.9032 0001355 101.1211 35.9659 15.39574303 5809`;
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export const TLE_LIST = [
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/* `ISS (ZARYA)
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1 25544U 98067A 08264.51782528 -.00002182 00000-0 -11606-4 0 2927
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2 25544 51.6416 247.4627 0006703 130.5360 325.0288 15.72125391563537`, */
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`2025-045A
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`STARLINK-32857
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${longstr1}
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${longstr2}`,
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`STARLINK-11371 [DTC]
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1 62879U 25024A 25062.93300820 .00003305 00000+0 21841-4 0 9995
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2 62879 42.9977 257.3937 0001725 269.2925 90.7748 15.77864921 5143`,
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`STARLINK-32915
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1 63152U 25043W 25070.91668981 .00451203 87802-4 12020-2 0 9994
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2 63152 43.0011 279.4620 0003944 269.6759 119.1758 15.93738994 2341`,
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`STARLINK-32915 [测修改1]
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1 00000U 00000W 25070.91668981 .00000000 00000-0 00000-0 0 0000
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2 00000 43.0011 279.4620 0003944 269.6759 119.1758 15.93738994 0000`,
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];
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// https://celestrak.org/NORAD/elements/gp.php?GROUP=last-30-days&FORMAT=json
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export const TLE_LIST_JSON = [
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{
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OBJECT_NAME: '2025-045A',
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OBJECT_ID: '2025-045A',
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EPOCH: '2025-03-10T08:27:09.857952',
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MEAN_MOTION: 2.26206155, // 平均运动（Mean Motion），单位是圈/天，表示卫星每天绕地球运行的圈数，此处约为 2.26 圈（周期约 10.6 小时）。
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ECCENTRICITY: 0.7327661, // 偏心率（Eccentricity），无单位，科学记数法为 0.7327661，表示轨道是一个高度椭圆的形状（接近 1 表示非常扁平）。
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INCLINATION: 19.0062, // 轨道倾角（Inclination），单位是度，表示轨道平面与地球赤道的夹角。此处为 19.0062°，属于低倾角轨道。
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RA_OF_ASC_NODE: 64.6364, // 升交点赤经（RAAN, Right Ascension of Ascending Node），单位是度，表示轨道平面在赤道上的交叉点位置。
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ARG_OF_PERICENTER: 179.7218, // 近地点角距（Argument of Perigee），单位是度，表示近地点相对于升交点的角度。
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MEAN_ANOMALY: 141.4162, // 平近点角（Mean Anomaly），单位是度，表示卫星在轨道上的位置。
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EPHEMERIS_TYPE: 0, // 轨道模型类型（通常为 0，表示 SGP4 模型）。
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CLASSIFICATION_TYPE: 'U', // U 表示未分类（可能是临时编号）。
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NORAD_CAT_ID: 63157, // NORAD
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ELEMENT_SET_NO: 999, // 校验码或元素集编号，表示这是第 999 次更新的 TLE 数据。
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REV_AT_EPOCH: 2, // Checksum 校验和
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BSTAR: 0, // 轨道模型类型（0=SGP4模型）。
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MEAN_MOTION_DOT: 5.45e-6, // 0.00000545 // 平均运动的一阶导数（每天的轨道变化率），单位是圈/天²，这里非常小，表示轨道衰减缓慢。
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CLASSIFICATION_TYPE: 'U', // U 表示未分类（可能是临时编号）。
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ECCENTRICITY: 0.732_766_1, // 偏心率（Eccentricity），无单位，科学记数法为 0.7327661，表示轨道是一个高度椭圆的形状（接近 1 表示非常扁平）。
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ELEMENT_SET_NO: 999, // 校验码或元素集编号，表示这是第 999 次更新的 TLE 数据。
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EPHEMERIS_TYPE: 0, // 轨道模型类型（通常为 0，表示 SGP4 模型）。
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EPOCH: '2025-03-10T08:27:09.857952',
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INCLINATION: 19.0062, // 轨道倾角（Inclination），单位是度，表示轨道平面与地球赤道的夹角。此处为 19.0062°，属于低倾角轨道。
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MEAN_ANOMALY: 141.4162, // 平近点角（Mean Anomaly），单位是度，表示卫星在轨道上的位置。
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MEAN_MOTION: 2.262_061_55, // 平均运动（Mean Motion），单位是圈/天，表示卫星每天绕地球运行的圈数，此处约为 2.26 圈（周期约 10.6 小时）。
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MEAN_MOTION_DDOT: -6.5692e-7, // 平均运动的二阶导数（科学记数法：-6.5692 × 10⁻⁶），表示轨道受摄动（如大气阻力）的加速度变化。
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MEAN_MOTION_DOT: 5.45e-6, // 0.00000545 // 平均运动的一阶导数（每天的轨道变化率），单位是圈/天²，这里非常小，表示轨道衰减缓慢。
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NORAD_CAT_ID: 63_157, // NORAD
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OBJECT_ID: '2025-045A',
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OBJECT_NAME: '2025-045A',
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RA_OF_ASC_NODE: 64.6364, // 升交点赤经（RAAN, Right Ascension of Ascending Node），单位是度，表示轨道平面在赤道上的交叉点位置。
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REV_AT_EPOCH: 2, // Checksum 校验和
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},
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];
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// 为了twoline2satrec函数需要哪些参数
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// https://github.com/shashwatak/satellite-js/blob/0e921026d20b75f42553366994af70eed63a304f/src/io.js#L62
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function twoline2satrecFake(longstr1: string, longstr2: string) {
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console.group('twoline2satrec');
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console.group('twoline2satrecFake');
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const satrec = {} as Record<string, any>;
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satrec.error = 0;
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satrec.satnum = longstr1.substring(2, 7);
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console.debug(`longstr1.substring(2, 7) :>> `, `"${longstr1.substring(2, 7)}"`);
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satrec.satnum = longstr1.slice(2, 7);
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console.debug(`longstr1.substring(2, 7) :>>`, `"${longstr1.slice(2, 7)}"`);
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satrec.epochyr = parseInt(longstr1.substring(18, 20), 10);
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console.debug(`longstr1.substring(18, 20) :>> `, `"${longstr1.substring(18, 20)}"`);
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satrec.epochyr = Number.parseInt(longstr1.slice(18, 20), 10);
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console.debug(`longstr1.substring(18, 20) :>>`, `"${longstr1.slice(18, 20)}"`);
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satrec.epochdays = parseFloat(longstr1.substring(20, 32));
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console.debug(`longstr1.substring(20, 32) :>> `, `"${longstr1.substring(20, 32)}"`);
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satrec.epochdays = Number.parseFloat(longstr1.slice(20, 32));
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console.debug(`longstr1.substring(20, 32) :>>`, `"${longstr1.slice(20, 32)}"`);
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satrec.ndot = parseFloat(longstr1.substring(33, 43));
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console.debug(`longstr1.substring(33, 43) :>> `, `"${longstr1.substring(33, 43)}"`);
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satrec.ndot = Number.parseFloat(longstr1.slice(33, 43));
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console.debug(`longstr1.substring(33, 43) :>>`, `"${longstr1.slice(33, 43)}"`);
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satrec.nddot = parseFloat(`.${parseInt(longstr1.substring(44, 50), 10)}E${longstr1.substring(50, 52)}`);
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console.debug(`longstr1.substring(44, 50) :>> `, `"${longstr1.substring(44, 50)}"`);
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console.debug(`longstr1.substring(50, 52) :>> `, `"${longstr1.substring(50, 52)}"`);
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satrec.nddot = Number.parseFloat(`.${Number.parseInt(longstr1.slice(44, 50), 10)}E${longstr1.slice(50, 52)}`);
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console.debug(`longstr1.substring(44, 50) :>>`, `"${longstr1.slice(44, 50)}"`);
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console.debug(`longstr1.substring(50, 52) :>>`, `"${longstr1.slice(50, 52)}"`);
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satrec.bstar = parseFloat(
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`${longstr1.substring(53, 54)}.${parseInt(longstr1.substring(54, 59), 10)}E${longstr1.substring(59, 61)}`,
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satrec.bstar = Number.parseFloat(
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`${longstr1.slice(53, 54)}.${Number.parseInt(longstr1.slice(54, 59), 10)}E${longstr1.slice(59, 61)}`,
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);
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console.debug(`longstr1.substring(53, 54) :>> `, `"${longstr1.substring(53, 54)}"`);
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console.debug(`longstr1.substring(54, 59) :>> `, `"${longstr1.substring(54, 59)}"`);
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console.debug(`longstr1.substring(59, 61) :>> `, `"${longstr1.substring(59, 61)}"`);
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console.debug(`longstr1.substring(53, 54) :>>`, `"${longstr1.slice(53, 54)}"`);
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console.debug(`longstr1.substring(54, 59) :>>`, `"${longstr1.slice(54, 59)}"`);
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console.debug(`longstr1.substring(59, 61) :>>`, `"${longstr1.slice(59, 61)}"`);
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// satrec.satnum = longstr2.substring(2, 7);
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satrec.inclo = parseFloat(longstr2.substring(8, 16));
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console.debug(`longstr2.substring(8, 16) :>> `, `"${longstr2.substring(8, 16)}"`);
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satrec.inclo = Number.parseFloat(longstr2.slice(8, 16));
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console.debug(`longstr2.substring(8, 16) :>>`, `"${longstr2.slice(8, 16)}"`);
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satrec.nodeo = parseFloat(longstr2.substring(17, 25));
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console.debug(`longstr2.substring(17, 25) :>> `, `"${longstr2.substring(17, 25)}"`);
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satrec.nodeo = Number.parseFloat(longstr2.slice(17, 25));
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console.debug(`longstr2.substring(17, 25) :>>`, `"${longstr2.slice(17, 25)}"`);
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satrec.ecco = parseFloat(`.${longstr2.substring(26, 33)}`);
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console.debug(`longstr2.substring(26, 33) :>> `, `"${longstr2.substring(26, 33)}"`);
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satrec.argpo = parseFloat(longstr2.substring(34, 42));
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console.debug(`longstr2.substring(34, 42) :>> `, `"${longstr2.substring(34, 42)}"`);
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satrec.mo = parseFloat(longstr2.substring(43, 51));
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console.debug(`longstr2.substring(43, 51) :>> `, `"${longstr2.substring(43, 51)}"`);
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satrec.no = parseFloat(longstr2.substring(52, 63));
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console.debug(`longstr2.substring(52, 63) :>> `, `"${longstr2.substring(52, 63)}"`);
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satrec.ecco = Number.parseFloat(`.${longstr2.slice(26, 33)}`);
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console.debug(`longstr2.substring(26, 33) :>>`, `"${longstr2.slice(26, 33)}"`);
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satrec.argpo = Number.parseFloat(longstr2.slice(34, 42));
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console.debug(`longstr2.substring(34, 42) :>>`, `"${longstr2.slice(34, 42)}"`);
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satrec.mo = Number.parseFloat(longstr2.slice(43, 51));
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console.debug(`longstr2.substring(43, 51) :>>`, `"${longstr2.slice(43, 51)}"`);
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satrec.no = Number.parseFloat(longstr2.slice(52, 63));
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console.debug(`longstr2.substring(52, 63) :>>`, `"${longstr2.slice(52, 63)}"`);
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console.groupEnd();
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return satrec;
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}
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// console.debug(`twoline2satrecFake(longstr1, longstr2) :>> `, twoline2satrecFake(longstr1, longstr2));
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const satrec1 = twoline2satrec(longstr1, longstr2);
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const satrec2 = twoline2satrec(
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// if ($__DEV__)
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// console.debug(
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// `twoline2satrecFake(longstr1, longstr2) :>>`,
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// twoline2satrecFake(longstr1, longstr2),
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// );
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const 真正需要的是 = twoline2satrec(
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`1 63157 25069.35219743 .00000545 -65692-6 00000+0 `,
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`2 19.0062 64.6364 7327661 179.7218 141.4162 2.26206155 `,
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);
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const item = {
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gdzj: '7',
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wxzj: '2025029F',
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wxmc: 'STARLINK-32884',
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wxbh: '62953',
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lysj: '25070.91668981',
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ysjbh: '999',
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xllx: '0',
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bstarqzxt: '-0.01591824',
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pjyddyjds: '-0.01591824',
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drry: null,
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drsj: null,
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xgry: null,
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xgsj: null,
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isFlag: 0,
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pjyddejds: '0',
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gdqj: '53.1597',
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sjdcj: '125.942',
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pxl: '0.0001413',
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jddfj: '92.4266',
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pjdj: '189.6779',
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pjyd: '15.48632226',
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fsyldgdqs: '556',
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};
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const r = {
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ARG_OF_PERICENTER: 101.1211,
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BSTAR: 0.00099294,
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CLASSIFICATION_TYPE: 'U',
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ECCENTRICITY: 0.0001355,
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ELEMENT_SET_NO: 999,
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EPHEMERIS_TYPE: 0,
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EPOCH: '2025-03-11T22:00:01.999584',
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INCLINATION: 53.1596,
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MEAN_ANOMALY: 35.9659,
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MEAN_MOTION: 15.39574303,
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MEAN_MOTION_DDOT: 0,
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MEAN_MOTION_DOT: 0.00039463,
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NORAD_CAT_ID: 62949,
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OBJECT_ID: '2025-029B',
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OBJECT_NAME: 'STARLINK-32857',
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RA_OF_ASC_NODE: 120.9032,
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REV_AT_EPOCH: 580,
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};
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const satrec1 = twoline2satrec(longstr1, longstr2); // 正确结果
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let line1 = '';
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line1 += '1'; //
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line1 += ' '; //
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line1 += '62949'; // 卫星编号
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line1 += 'U'; // 卫星分类
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line1 += ' ';
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line1 += '25';
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line1 += '029';
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line1 += 'B'.padEnd(3, ' ');
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line1 += ' ';
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line1 += '25070.91668981'; // 🛰️ 历元时间 25070.91668981（年份 2025，第 70 天加 0.91668981 天）
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line1 += ' ';
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line1 += '.00039463'.padStart(10, ' '); //
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line1 += '00000+0'.padStart(9, ' '); //
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line1 += '99294-3'.padStart(9, ' '); //
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line1 += ' ';
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line1 += '0';
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line1 += ' ';
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line1 += '999'.padStart(4, ' ');
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line1 += '0';
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let line2 = '';
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line2 += '2';
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line2 += ' ';
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line2 += '62949';
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line2 += ' ';
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line2 += '53.1596'.padStart(8, ' '); // 🛰️ 轨道倾角（度）
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line2 += ' ';
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line2 += '120.9032'; // 🛰️ 升交点赤经（度）
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line2 += ' ';
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line2 += '0001355'; // 🛰️ 偏心率
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line2 += ' ';
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line2 += '101.1211'; // 🛰️ 近地点角距（度）
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line2 += ' ';
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line2 += '35.9659'.padStart(8, ' '); // 🛰️ 平近点角（度）
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line2 += ' ';
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line2 += '15.39574303'; // 🛰️ 平均运动（圈/天）
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line2 += '580'.padStart(5, ' ');
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line2 += '9';
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// console.debug(`xxxline2 :>>`, `"${line2}"`);
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// console.debug('正确↓');
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// console.debug(`longstr2 :>>`, `"${longstr2}"`);
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// twoline2satrecFake('', line2);
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// twoline2satrecFake('', longstr2);
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// const numbers = '0123456789';
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// twoline2satrecFake(
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// `${numbers}${numbers}${numbers}${numbers}${numbers}${numbers}`,
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// '',
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// );
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const satrec2 = twoline2satrec(
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`1 62949 25070.91668981 .00039463 00000+0 99294-3 `,
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`2 53.1596 120.9032 0001355 101.1211 35.9659 15.39574303 `,
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);
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const satrec1_str = JSON.stringify(satrec1, null, 2);
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const satrec2_str = JSON.stringify(satrec2, null, 2);
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if ($__DEV__) console.debug(`satrec1_str === satrec2_str :>> `, satrec1_str === satrec2_str);
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if ($__DEV__) console.debug(`satrec1_str === satrec2_str :>>`, satrec1_str === satrec2_str);
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// longstr1.substring(2, 7) :>> "63157"
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// longstr1.substring(18, 20) :>> "25"
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