Track satellites in real time, monitor the International Space Station, discover visible satellite passes, follow rocket launches, explore Starlink coverage, monitor space weather, and understand Earth's orbital environment from one intelligent platform.
Open a 3D view of the Sun, planets, Earth�s Moon, and selected deep-space missions. Watch the system move over time, save objects to your account, and use the map as a launch point for future Library stories.
What is included
Live objects
Planets, Moon, Sun, and deep-space missions
Time controls
Preview solar-system motion over time
Saved items
Save planets and missions to your account
Mission layer
JWST, Voyager, New Horizons, and Parker Solar Probe
Built on open data from the world's space agencies & operators
From the ISS overhead to the next launch and the space weather in between — explore it all in a single, beautifully unified interface.
Search and monitor thousands of active satellites as they move across the sky in real time.
Follow the International Space Station live, with its precise position and ground track.
Discover which satellites and passes will be visible from your exact location after dark.
Follow upcoming launches and missions from every major provider with live countdowns.
Explore Starlink constellation coverage and availability across every region on Earth.
Monitor solar storms, aurora forecasts, and the conditions shaping Earth’s orbital environment.
A live view of everything circling the planet — satellites, stations, launches, and the space weather shaping it all.
Live satellite map
TransitSatellite provides an interactive satellite tracker that calculates current positions from orbital data. Search tracked objects, view their paths around Earth and explore which satellites may pass above your location.
Use the live satellite map to follow space stations, weather satellites, navigation spacecraft, scientific missions and Earth-observation satellites from one searchable experience.
Follow upcoming missions with current launch schedules and live countdowns, from crewed flights to constellation deployments.
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Use your location to find satellite passes that may be visible after dark — including when they appear, where to look, and how high they will travel across the sky.
Find visible satellite passes
Allow location access to calculate passes for your current position.
Your precise location is used only to calculate viewing geometry in your browser session.
Visualize the Starlink constellation and its coverage footprint anywhere on Earth, from dense metros to the open ocean.
Solar activity, geomagnetic storms, and aurora forecasts that affect satellites, navigation, and the night sky.
Headlines from the agencies and operators shaping spaceflight, curated in one feed.
The four-person crew rehearsed Gateway docking and surface operations ahead of the 2026 window.
A single booster completed its 24th flight, extending the fleet’s reusability milestone.
High-resolution imaging will help pinpoint emissions with unprecedented precision.
The mission places six research satellites into a precise sun-synchronous orbit.
The test clears a key milestone toward the vehicle’s upcoming geostationary debut.
Aurora may be visible at mid-latitudes as the geomagnetic field becomes unsettled.
Pricing
Core satellite tracking and education remain free. Upgrade to Beginner for expanded saved-item limits, or choose Pro for deeper forecasting, unlimited saves, and advanced TransitSatellite features.
Explore TransitSatellite for free with core tracking, Library, missions, Solar System content, and educational tools.
Or $24.99/year — save $10.89
Keep the Explorer experience while increasing how much TransitSatellite content you can save.
Or $39.98/year — save $19.90
Full TransitSatellite Pro access at a fixed Founder rate while the offer remains available.
Founder offer
Available through December 31, 2026, or until all 500 Founding Pro memberships are claimed.
Founder pricing stays locked only while your subscription remains continuously active.
Paid memberships renew automatically until canceled. Manage or cancel billing from your account. If a Founding Pro membership is canceled and later restarted after the Founder offer has ended, regular Pro pricing will apply.
Join the explorers tracking satellites, launches, and space weather from one intelligent platform. It's free to start.
