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Mohammed Talal Kadri
Mohammed Talal Kadri

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GEONMI-MEMS VLEO: How We Reduced Satellite Launch Weight by 40% Using Aero-Ionic Energy Harvesting and Deterministic C++17

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Operating in Very Low Earth Orbit (VLEO, at an altitude of approximately 250 km) offers superior latency and exceptional image clarity, yet it faces a major challenge: intense atmospheric drag. This drag depletes chemical fuel within months, shortening satellite lifespans or necessitating heavy, costly fuel loads that drive up launch expenses.

To address this, I developed the GEONMI-MEMS VLEO Architecture—a unified, software-defined solution designed to redefine the economics of VLEO missions.

⚡ Full System Integration: Engine 2 + AeroCore-3

This design relies on the seamless integration of two core proprietary subsystems:

GEONMI-MEMS VLEO Engine 2: Manages autonomous closed-loop micro-propulsion modeling and system state estimation in GNSS-denied environments.

AeroCore-3 Subsystem: Functions as a real-time energy-harvesting bus and a deterministic software supervisor.

Instead of fighting atmospheric drag, the system leverages orbital velocity (approximately 7.5 km/s) to collect ambient ionospheric plasma. This negative energy assists the Engine 2 propulsion core, while the dynamic software control system safely directs electrostatic discharge (ESD) into space, protecting the spacecraft's onboard batteries from damage.

GEONMI-MEMS VLEO Engine 2: ### ⚙️ Deterministic software with <10ms latency (written in pure C++17)
Physical innovation demands absolute software reliability. The core is built entirely to pure C++17 standards, utilizing a strict fragmentation-free memory allocation model (compliant with MISRA C++):

  • Fixed 100Hz frequency: Ensures deterministic execution of the control loop (Δt = 10ms).

  • Zero fragmentation: Eliminates runtime new/delete memory allocations to prevent software crashes.

  • Tsiolkovsky integration: Dynamically tracks real-time mass depletion to optimize engine output and prevent propellant waste.

💎 Commercial ROI and Benefits

  • 40% reduction in wet mass: Lower propellant weight allows operators to increase revenue-generating payloads per launch.

  • Extended operational lifespan: This system extends the operational life of Very Low Earth Orbit (VLEO) satellite platforms from a few months to many years. * Co-launch Density: Enables smaller, lighter satellites to increase launch density per mission, significantly reducing operational costs.

The GEONMI-MEMS architecture for Very Low Earth Orbit (VLEO) satellites is proprietary intellectual property developed specifically for civil and commercial space applications, distinct from military use.

Propulsion Framework: https://github.com/kadritalal38-cell/GEONMI-MEMS-VLEO-Engine2

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