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README.md

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+### 🌓 Tycho Orbital
+
+**Autonomous navigation for the lunar economy.**
+
+Tycho Orbital is a space technology company building **vision-based autonomous navigation systems for spacecraft operating at the Moon**. Our software enables spacecraft to estimate their position and orbit using onboard cameras and lunar surface feature recognition - reducing reliance on Earth-based radiometric tracking.
+
+As lunar activity accelerates, traditional tracking infrastructure (DSN, ground stations) will not scale. Tycho’s approach provides a **scalable, resilient, and mission-agnostic alternative**: spacecraft that know where they are, independently.
+
+#### What we build
+- 📷 **Vision-based lunar OpNav** using craters and surface features  
+- 🛰️ **Flight-relevant navigation software** designed for onboard autonomy  
+- 📊 **Open datasets and benchmarks** to advance the state of lunar navigation  
+
+#### Why open source
+We believe critical navigation software should not be a black box. Open development:
+- Improves trust and verifiability for mission operators  
+- Accelerates innovation through shared datasets and models  
+- Enables a broader lunar ecosystem to emerge  
+
+#### Our mission
+To make autonomous lunar navigation **robust, interoperable, and accessible** - supporting science, exploration, and commercial missions across cislunar space.
+