This page needs a newer phone or browser.
It works out exactly when the space stations fly over you, and that math needs a browser from the last few years.
Open it on almost any phone from 2017 on: an iPhone 8 or newer with a recent update, or an Android phone with Chrome. Scan the code with that phone’s camera, or type
skypassalert.com
What you’ll get there:
- The exact time the International Space Station or China’s Tiangong station flies over where you are tonight.
- Where to look in plain words: which way to face, how high, how bright, how long.
- Free. No app to install, no account, no ads, nothing about you collected.
Example of an answer (not a real prediction): Tonight 7:32 PM. Face where the sun went down, a little to the left. It climbs almost straight overhead. Very bright, about 4 minutes.
这个页面需要较新的手机或浏览器。请用 2017 年以后的 iPhone（已更新系统）或装有 Chrome 的安卓手机打开 skypassalert.com，查看今晚国际空间站和中国空间站（天宫）飞过你头顶的准确时间和方向。
Using WeChat or another app? Tap ··· and choose “Open in Browser”. Questions: hello@skypassalert.com