ORBITSMITH

Free browser-based space toolkit for journeying through the Solar System, tracking satellites, exploring the Moon and Mars, analyzing orbital trends, and planning mission concepts.

DAILY
3D Orbital Tracker
3D visualization of 34,000+ objects in orbit, refreshed daily from the fused Space-Track/CelesTrak catalog. Satellites, rocket bodies, debris. Educational collision risk estimator included.
34,000+ objects Collision estimator Space-Track
STORY
The Growing Crowd in Orbit
From 1 object to 44,000 — scroll through 60 years of orbital debris history
1957–today 44,000 objects Scroll story
NEW
Lunar Lab
Explore NASA LOLA/SVS-derived lunar terrain with a browser-based rover operations demo across Apollo sites, craters, maria, and valleys.
20 lunar sites Rover demo NASA-derived
NEW
Mars Lab
Explore NASA/USGS MOLA-derived Mars terrain with a rover operations demo across landing regions, craters, volcanoes, canyons, and basins.
20 Mars sites Rover demo MOLA-derived
Space Environment Statistics
60+ years of orbital trends — object growth, launch activity, constellation expansion, fragmentation events. Interactive Chart.js dashboards with ESA and McDowell data.
60+ years Chart.js ESA data
Visible Pass Prediction
Predict when satellites are visible from your location. Sky charts with star references, ground tracks, brightness estimates — find the ISS, Tiangong, Starlink, and more tonight.
Sky charts ISS & Starlink Your location
Mission Designer
Interactive satellite mission screening. Configure spacecraft, estimate simplified budgets across 5 domains, compare candidate launch vehicles, and review a design summary.
7 missions 5 budgets Launch matching
GS Planner
Plan satellite ground segments. Visualize contact windows across KSAT, AWS, SSC, and Leaf Space networks for any orbit configuration.
45 stations 4 networks Contact windows
Satellite Imagery
Unified viewer for 21 layers from NASA, ESA, and ESRI. Daily Earth observation, active fire detection, vegetation health, sea temperature, nighttime lights — one interface.
NASA GIBS ESA Sentinel ESRI/Maxar
ARCHIVE
Artemis II
Artemis II Mission Tracker
Relive the first crewed lunar flyby in 54 years. Telemetry replay from NASA OEM data: distance from Earth, distance to Moon, velocity, mission phase, and signal delay.
More tools in development
33K+
Tracked Objects
21
Imagery Layers
4
Data Sources
$0
Always Free
Download on the App Store