tle2文件转czml文件

node_modules/satellite.js/lib/constants.js

@@ -0,0 +1,43 @@
+/*!
+ * satellite-js v5.0.0
+ * (c) 2013 Shashwat Kandadai and UCSC
+ * https://github.com/shashwatak/satellite-js
+ * License: MIT
+ */
+
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.xke = exports.x2o3 = exports.vkmpersec = exports.twoPi = exports.tumin = exports.rad2deg = exports.pi = exports.mu = exports.minutesPerDay = exports.j4 = exports.j3oj2 = exports.j3 = exports.j2 = exports.earthRadius = exports.deg2rad = void 0;
+var pi = Math.PI;
+exports.pi = pi;
+var twoPi = pi * 2;
+exports.twoPi = twoPi;
+var deg2rad = pi / 180.0;
+exports.deg2rad = deg2rad;
+var rad2deg = 180 / pi;
+exports.rad2deg = rad2deg;
+var minutesPerDay = 1440.0;
+exports.minutesPerDay = minutesPerDay;
+var mu = 398600.8; // in km3 / s2
+exports.mu = mu;
+var earthRadius = 6378.135; // in km
+exports.earthRadius = earthRadius;
+var xke = 60.0 / Math.sqrt(earthRadius * earthRadius * earthRadius / mu);
+exports.xke = xke;
+var vkmpersec = earthRadius * xke / 60.0;
+exports.vkmpersec = vkmpersec;
+var tumin = 1.0 / xke;
+exports.tumin = tumin;
+var j2 = 0.001082616;
+exports.j2 = j2;
+var j3 = -0.00000253881;
+exports.j3 = j3;
+var j4 = -0.00000165597;
+exports.j4 = j4;
+var j3oj2 = j3 / j2;
+exports.j3oj2 = j3oj2;
+var x2o3 = 2.0 / 3.0;
+exports.x2o3 = x2o3;