Live Satellite Tracking in 3D
Tengri tracks satellites in real time by propagating publicly published orbital elements from CelesTrak, showing the International Space Station, Starlink and OneWeb constellations, weather and navigation satellites, and Earth observation platforms as they move along their orbits on a 3D globe.
Tengri is currently propagating thousands of satellite orbits.
Constellations and groups
- International Space Station and crewed spacecraft.
- Starlink and OneWeb broadband constellations.
- Weather satellites including NOAA and GOES platforms.
- Navigation constellations.
- Earth observation and scientific satellites.
- Bright satellites that are visible to the naked eye from the ground.
How satellite tracking works
Satellite positions are not broadcast the way aircraft positions are. Instead, orbits are described by two-line element sets (TLEs) published by space surveillance networks and distributed publicly through CelesTrak. Software propagates those elements forward in time to compute where a satellite is right now.
Accuracy depends on how recently the element set was updated. For most objects this yields positions accurate to within a few kilometres, which is more than sufficient for visualisation, pass prediction and situational awareness.
Frequently asked questions
How do I track the ISS live?
Enable the satellite layer on the Tengri map and search for the International Space Station. The globe shows its current position and orbital path, computed from publicly published orbital elements and updated continuously.
Can I track Starlink satellites?
Yes. Tengri propagates the Starlink constellation from published orbital element sets, so individual satellites and the overall constellation structure are both visible on the globe.
How accurate is satellite tracking?
Positions are computed by propagating two-line element sets from CelesTrak. Accuracy depends on element freshness and is typically within a few kilometres, which is well within what visualisation and pass prediction require.
Why do satellite positions not come from a live signal?
Satellites do not broadcast their position the way aircraft do over ADS-B. Their orbits are published as element sets by space surveillance networks, and tracking software calculates current position from those elements rather than receiving it directly.
Related
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