A deep dive into Elon's AI Sat Mini
↓ Scroll to explore
A deep dive into Elon's AI Sat Mini
No atmosphere to filter the light, no clouds, no night. In orbit, solar power is continuous and abundant — the foundation for massive AI compute beyond Earth.
The satellite uses a Dawn-Dusk SSO — a specialized near-polar orbit where it travels along the terminator, the dividing line between day and night. It always sees the sun and never enters Earth's shadow.
A closer orbit means faster communication but more atmospheric drag. A wider orbit means less drag but higher launch cost. AI Sat Mini will orbit between 500 and 2,000 km — wider than Starlink's 550 km. At 1,000 km, it circles the planet every 105 minutes.
Three major functions: compute, collect energy, and dissipate heat. Each unit weighs approximately 1 ton and provides 100 kW of power. This is just the "mini" version — future full-scale versions are expected to reach the megawatt.
Energy is plenty in space — no atmosphere filtering the light, and it's always sunny. Solar panels are multiple times more effective in orbit than on Earth. The panels maximize their surface area toward the sun for maximum energy capture.
Specialized D3 chips optimized for high-temperature space environments and radiation resistance. Each unit delivers 100 kW of AI processing power in orbit.
Dissipating heat is the real challenge. In a vacuum, there is no conduction or convection — only radiation. Each unit features a 100 m² radiator to reject heat into the void, while staying perpendicular to the sun and Earth to minimize heat absorption.
Thousands of AI Sat Mini units orbiting along the day-night boundary, forming a constellation of orbital datacenters powered by endless sunlight.
The AI Sat Mini is an incredible project, and the Terafab infrastructure needed to build it is even more so.
Explore the Satellite →