Delvoire.space is a celestial exploration tool that connects directly to the NASA JPL Horizons system, the world's most accurate source for solar system ephemerides.
API Proxy
This application uses a Cloudflare Worker to securely proxy requests to the Horizons API, ensuring reliable CORS-free access.
Capabilities:
• Real-time position & velocity vectors (J2000 Ecliptic)
• Distance calculations with light-time correction
• Rise, transit, and set times (observer mode)
• Apparent magnitude, illumination, and sky motion
• Access to over 1.2 million asteroids, comets, and spacecraft
Limitations:
• Requires an active internet connection
• Rate-limited to 60 requests per minute per IP
• Not for mission-critical navigation
• Some small-body data may have reduced precision