Hard-to-learn orbital mechanics — teach with interactive browser 3D sims

Orbital mechanics is conceptually hard: students and instructors across undergraduate aerospace programs, vocational NewSpace training, and lifelong learners struggle to bridge algebraic equations with 3D orbital intuition, an addressable cohort of roughly 60 million potential users. In practice, classrooms lack affordable, no-install lab tools, industry trainers need scalable simulation-based assessments, and outreach programs need low-friction demos that work in browser environments. You could build a web-native 3D simulation platform that runs high-fidelity orbital dynamics in-browser (WebGL/WebGPU + WASM with optional server-side compute), bundled with scenario-based labs, instructor dashboards, assessment pipelines, and an integrated LLM tutor that gives step-by-step debugging and personalized exercises. Monetization would combine individual subscriptions (target ARPU ~$80/year consistent with the $4.8B addressable figure), campus licenses, and enterprise training contracts, plus APIs for partners and credentialing paths. This moment is attractive because web-native 3D fidelity and generative-AI tutoring materially lower friction and delivery cost, while NewSpace growth increases demand for practical orbital skills; the market score of 88/100 and revenue potential 80/100 reflect a strong timing and economic case. Differentiation will come from stitching together browser-level fidelity, vetted curricular content, and real-time AI assistance—features few competitors currently offer—while being honest about the work ahead: validating physics accuracy in-browser, building the content volume (tens to hundreds of labs), and managing customer-acquisition economics by securing early university and industry partners.