Space Guardian
Satellites & near misses live
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Free
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About
Point your phone at the sky and see what's up there. Sky AR labels the ISS, Starlink trains and other satellites over the live camera view. No account needed.
Tonight lists the passes you can see from where you are, how bright they will be and when. Set a reminder so you never miss the ISS.
Near misses shows close approaches between objects in orbit, from our own screening of public orbit data. Every number is an estimate and shows how old its data is.
Explore every tracked object on the globe, follow upcoming re-entries and space weather, add the next pass to your home screen with the widget, and share a card of what you saw.
Free. No ads. Analytics only if you allow it. Orbit data: 18th/19th SDS via Space-Track.org.
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What's New in Space Guardian
0.5.3
November 4, 2026
Near misses now show distances honestly: "within 50 m" instead of an exact metre value, since public orbit data is only accurate to about a kilometre. The home-screen widgets use the same wording. Also fixed: the back button returns to the previous screen, zooming in on a near miss no longer traps you, and the app finds your location again after a one-time location permission expires.
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