Celestia for Android is a real-time space simulator for exploring the solar system on an Android device.
The Best Keeptrack.space Alternatives in 2026
Looking for something like Keeptrack.space? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan and 7 are open source.
Keeptrack.space visualizes satellite data and tracking sensors in 3D for users exploring astrodynamics.
Top picks at a glance
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | AndroidCelestia | — | Yes | Android |
| 2 | Look4Sat | — | Yes | Android |
| 3 | Sgp4gl Demo | — | Yes | — |
| 4 | Webb Compare | — | Yes | — |
| 5 | Orbiter | Free | Yes | — |
| 6 | AndroidPlanisphere | — | Yes | Android |
| 7 | Stellarium | — | Yes | Android, Linux, macOS |
| 8 | KeepTrack | — | Not stated | Web |
| 9 | NASA's Eyes | — | Not stated | Web |
| 10 | ExoplanetExplore | — | Not stated | Web |
All Keeptrack.space alternatives
Look4Sat provides an Android satellite tracker and pass predictor, with information sourced from Celestrak.
This project demonstrates real-time three-dimensional satellite visualization in a browser using SGP4GL, CesiumJS, and Next.js.
Webb Compare lets visitors compare images from the James Webb Space Telescope with earlier telescope images.
Orbiter simulates spaceflight using Newtonian mechanics, with the solar system and its major bodies as its setting.
AndroidPlanisphere provides a star chart showing the Sun, Moon, stars, constellations, and planets for a selected location.
Stellarium renders realistic skies in real time with OpenGL and is available for Linux, Windows, macOS, and Haiku.
KeepTrack
keeptrack.spaceKeepTrack tracks more than 37,000 satellites in real time and provides user profiles and achievements.
NASA's Eyes
science.nasa.gov/eyesNASA's Eyes offers browser-based three-dimensional visualizations for exploring NASA data and imagery.
ExoplanetExplore
exoplanetexplore.vercel.appExoplanet Explore visualizes exoplanet data and provides an analysis report.
Meteor Showers
meteorshowers.orgMeteor Showers visualizes NASA meteor shower data in 3D and presents details about showers such as the Perseids.
TheCMB
thecmb.orgTheCMB visualizes data from the Planck mission and provides galactic and ecliptic view controls.
Satellite Map
satellitemap.spaceSatellite Map tracks satellites in real time on an interactive 3D map.
Atlas of Space
atlasof.spaceAtlas of Space interactively explores planets, moons, asteroids, and other objects in the Solar System.
Where The ISS At?
wheretheiss.atThis site tracks the International Space Station and offers notifications for visible passes at a user's location.
Space Atlas
spaceatlas.techSpace Atlas tracks satellites and rocket bodies on a live 3D map, with history extending from Sputnik to today.
Spot The Station
spotthestation.nasa.govNASA's Spot the Station app tracks International Space Station passes and provides viewing schedules and alerts for a location.
CelesTrack
celestrak.orgCelesTrak is a nonprofit organization with a mission related to space and satellite information.
ISS In Realtime
issinrealtime.orgThe ISS in Real Time page is titled as a live International Space Station tracking resource.
ViewSpace
viewspace.orgViewSpace offers astronomy interactives, image tours, sliders, and videos for exploring the universe.
Solar System
eyes.nasa.gov/apps/solar-systemEyes on the Solar System offers a three-dimensional view for exploring the solar system and past and future missions.
LightYear
lightyear.fmLightYear visualizes how long radio broadcasts take to reach different celestial bodies at light speed.
Universe Atlas
universeatlas.orgUniverse Atlas visualizes scale from the observable universe to a proton, with real stars and planets shown at their measured sizes and distances.
Lite Version
aladin.cds.unistra.fr/AladinLiteAladin Lite is an online sky atlas for visualizing regions of the sky, FITS images, and overlaid astronomical tables.
Alternatives to similar tools
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