ISS Live Tracker
WEBGL 3D DIGITAL TWIN EARTH

🌍 3D Global Streamlines, Aurora Oval & ISS Tracking

Real-time WebGL wind particles, geomagnetic aurora oval coverage, live ISS flyover calculations, and tonight’s dark sky score.

🌐 WebGL Dynamic Earth (Nullschool Mode)
Tracking Tropospheric Wind Particles
💡 Tip: Drag to rotate the Earth freely. Observe polar aurora ovals and atmospheric circulation.

✨ Dark Sky Hunter · Stargazing Quality Score

Good Stargazing Night
88
/ 100 分滿分最佳時段：22:30 ~ 03:45
Bortle 暗空光害等級Class 4
Class 4：鄉村/郊區過渡帶 (可見清晰銀河細節)
夜間總雲量預報 (%)15%
月相月齡干擾新月 / 殘月 (18% 照亮)
🔭 今晚推薦觀測目標：
🛰️ ISS FLYOVER PREDICTOR

🛰️ International Space Station (ISS) Flyover Forecast

~42 min
當前地表距離1,840 km
飛行仰角約 68° (高仰角)
肉眼視星等-3.2 等 (極亮)

📌 觀測指引：ISS 在日落後或拂曉前因反射陽光呈耀眼白色移動星點，肉眼清晰可見，不閃爍且速度約如高空民航機 10 倍。