Satellite tracking, live and in 3D
Cosmik tracks 20,000+ satellites in real time — the ISS, Starlink, Hubble, GPS and everything else in orbit — on a free 3D map that runs in your browser. No app, no login: open the live map →
What satellite tracking actually shows you
Around 16,000 active satellites and thousands of tracked rocket bodies circle Earth today, most of them in low Earth orbit at 400–1,200 km, moving at ~28,000 km/h. Satellite tracking turns the public orbital data behind them into something you can see: where each object is this second, the path it will trace over the next orbits, and when it will cross the sky above your city.
- Live 3D view — every satellite as a real moving object around Earth, not a static illustration.
- Sky view — what's above your head right now, from your exact location.
- Flat map view — ground tracks with the day/night line, Flightradar-style.
- Details per satellite — owner, mission, size, altitude, and its next pass over you.
Where the data comes from
Cosmik uses the same public orbital elements professionals use — TLE sets published via CelesTrak from US Space Force radar tracking — propagated with the standard SGP4 model and refreshed continuously. Close approaches between satellites (hundreds are predicted every day) come from the SOCRATES conjunction service.
Popular things to track
Start with the ISS — the brightest human object in the sky, catch a freshly launched Starlink train, browse constellations like Starlink, OneWeb and GPS, or check which satellites you can see with the naked eye. Rockets more your thing? Get free rocket launch alerts before every liftoff.
FAQ
How does satellite tracking work?
Every tracked satellite has public orbital elements (TLEs) published from radar observations by organizations like US Space Force and distributed via CelesTrak. Trackers like Cosmik propagate those elements with the SGP4 model to compute where each satellite is right now — accurate to roughly a kilometer for most objects, refreshed as new elements are published.
Can I track satellites in real time for free?
Yes. Cosmik is a free satellite tracking site that runs in your browser — no app to install, no account. It shows the live position of 20,000+ satellites in 3D, including the ISS, Starlink, Hubble and GPS constellations.
How can I see which satellites are above me right now?
Open the live map and switch to the sky view: Cosmik uses your location to show every satellite overhead at this moment, and which ones will be visible to the naked eye tonight.
Can I get an alert when a satellite passes over my city?
Yes — follow any satellite on Cosmik and enable free alerts. You'll get a push notification or email a few minutes before it rises over your location, so you know exactly when to look up.