Here is the JavaScript code:
<!DOCTYPE html>
<html lang="en">
<head>
; <script src="https://cesium.com/downloads/cesiumjs/releases/1.81/Build/Cesium/Cesium.js"></script>
<link href="https://cesium.com/downloads/cesiumjs/releases/1.81/Build/Cesium/Widgets/widgets.css" rel="stylesheet">
<script src="https://cdnjs.cloudflare.com/ajax/libs/satellite.js/4.0.0/satellite.js"></script>
<link href="style.css" rel="stylesheet">
</head> ;
<body>
<div id="loading">
<h1>Loading...</h1>
</div>
<div id="cesiumContainer"></div>
<script>
// Initialize the Cesium viewer.
const viewer = new Cesium.Viewer('cesiumContainer', {
imageryProvider: new Cesium.TileMapServiceImageryProvider({
url: Cesium.buildModuleUrl(" Assets/Textures/NaturalEarthII"),
}),
baseLayerPicker: false, geocoder: false, homeButton: false, infoBox: false,
navigationHelpButton: false, sceneModePicker: false
});
// This causes a bug on android, see: https://github.com/CesiumGS/cesium/issues/7871
// viewer. scene. globe. enableLighting = true;
// These 2 lines are published by NORAD and allow us to predict where
// the ISS is at any given moment. They are updated regularly.
// Get the latest from: https://celestrak.com/satcat/tle.php?CATNR=25544.
const ISS_TLE =
`1 25544U 98067A 21121.52590485 .00001448 00000-0 34473-4 0 9997
2 25544 51.6435 213.5204 0002719 305.2287 173.7124 15.48967392281368`;
const satrec = satellite. twoline2satrec(
ISS_TLE.split('\n' )[0].trim(),
ISS_TLE.split( '\n')[1].trim()
);
// Give SatelliteJS the TLE's and a specific time.
// Get back a long it
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