A terminal-based (TUI) tracker for the Artemis II mission, showing live spacecraft telemetry from NASA/JPL Horizons directly in your terminal.
- Live Orion spacecraft position relative to Earth and Moon
- High-frequency live telemetry extrapolation at 4 FPS
- Observer tracking for Sky Position (RA/DEC) and Communications Delay (Light-Time)
- ASCII tracker visualization showing Orion's position between Earth and Moon
- Mission timeline with color-coded event status
- Velocity vector display
- Crew manifest
- Network polling synchronizes every 2 minutes to prevent API rate limits
- Toggle between km and miles
npx artemis-ii-cli
Or clone and run locally:
git clone https://github.com/yourusername/artemis-ii-cli.git
cd artemis-ii-cli
npm install
npm start| Key | Action |
|---|---|
q |
Quit |
Ctrl+C |
Quit |
m |
Toggle miles/km |
r |
Force refresh API data |
All telemetry data is fetched directly from the JPL Horizons API (NASA/JPL). The spacecraft ID is -1024 (Artemis II / Orion EM-2).
MIT - Ryan Fox