Orbital AI Data Centers — Economic Competitiveness Timeline > Analysis

Analysis

Input Questions (Leaf)

• What is the mass per kW_IT (kg/kW_IT) for AI compute hardware adapted for orbital deployment?
• What is the maximum eclipse duration per orbit (minutes) and annual eclipse exposure for an orbital compute satellite in a dawn-dusk sun-synchronous orbit at ~575 km, and what are the implications for battery sizing or planned downtime?
• What is the cost per kW_IT for current-generation AI accelerator hardware?
• What is the expected useful life of AI accelerator hardware?
• What are the scale-up and scale-out networking requirements for AI inference, how is domain size evolving, and what does this imply for orbital feasibility?
• What is the cost per kilogram to deliver payload to LEO, and how will it evolve from 2026 through 2040?
• What are the fixed annual operating costs per kW_IT ($/kW_IT/year) for orbital compute, excluding failure-driven replacement (which is captured in effective lifetime)?
• What cost premium does space adaptation add to AI compute hardware?
• What is the effective capacity-weighted lifetime (years) of an orbital compute satellite, accounting for GPU degradation, catastrophic failures, and regulatory constraints?
• What is the manufacturing cost per kW_IT ($/kW_IT) for the non-compute satellite components?
• What is the PUE for compute-focused satellites in LEO?
• What is the weighted average cost of capital (WACC) for orbital AI compute infrastructure?
• What is the achievable thermal rejection rate (W_rejected/kg) for radiative cooling systems in LEO, given AI compute operating temperatures?
• What is the quantitative failure rate multiplier for AI compute hardware in LEO relative to terrestrial data centers, considering thermal cycling fatigue, radiation-induced failures, and launch vibration damage?
• What is the achievable specific power (W/kg) for space-grade solar arrays suitable for orbital compute satellites?
• What is the structural overhead mass multiplier for orbital compute satellites?
• What is the variable electricity cost (fuel, O&M, grid procurement) for AI data centers, excluding BTM generation capex?
• What is the annual permanent failure rate of datacenter GPUs (H100/A100-class) in terrestrial operation?
• What is the all-in infrastructure cost per kW_IT for a terrestrial AI data center?
• What is the annual non-energy opex per kW_IT for hyperscale AI data centers?
• What is the power-generation capital cost per kW_IT for behind-the-meter generation at terrestrial AI data centers?
• What is the PUE for modern liquid-cooled AI data centers?
• What is the weighted average cost of capital (WACC) for terrestrial AI data center infrastructure?

Analyses

• When (if ever) does orbital AI compute TCO reach parity with terrestrial, and what are the key drivers and constraints?
• What is the capital cost per kW_IT ($/kW_IT) for deploying AI compute in orbit, including launch, platform manufacturing, and GPU hardware?
• What is the amortized total cost of ownership per kW_IT per year ($/kW_IT/year) for orbital AI compute?
• What is the total mass per kW_IT (kg/kW_IT) for an orbital compute satellite, combining solar arrays, thermal rejection, and compute hardware?
• What is the amortized total cost of ownership per kW_IT per year ($/kW_IT/year) for terrestrial AI compute?

Side Chapters

• Chip Manufacturing Constraints as a Structural Barrier to Orbital Compute
• Ground Segment Constraints for Orbital Compute Service Delivery
• In-Orbit Servicing Feasibility for Orbital Compute
• Satellite GPU Capacity Scaling: How Many GPUs Per Satellite?
• Solar Land Supply Constraints for Data Centers
• Terrestrial Energy Supply Constraints

Source Reviews

• Point-by-Point Review: I guess we're doing Moon factories now
• Point-by-Point Review: Elon Musk — Orbital AI Compute Interview
• Point-by-Point Review: Dylan Patel — Deep dive on the 3 big bottlenecks to scaling AI compute