Space Inventor ESM Satellite Platform
State of the art report 2023

ESM Satellite Platform

The ESM satellite platform from Space Inventor is a model of quality and reliability.

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The ESM satellite platform from Space Inventor is a model of quality and reliability. The design of the platform integrates hi-reliability subsystems, which each have specific features like radiation shielding, EMI shielding, thermal conduction path, and mechanical support.  

Tailored to make operational work efficient, the satellite platform allows teams to become experts as they work across various satellite types on the same platform. This eliminates the need to adjust to a different platform with each satellite type change. The platform also allows the possibility of component exchanges with any new technology as desired


50 kg satellite for optical and RF recon and surveillance
GEO positioning of RF emissions
Classification of ship radar signatures
CEP of 1 km from Low Earth Orbit
Instant target detection report via Inmarsat
Optical earth observation
1 meter resolution in mono or multi-spectral
High bandwidth data downlink
Secure communication
Battle Management System integration
Safe decommissioning: Atmosphere disposal protocol

Available modules in satellite

Space Inventor Momentum Wheel 1000

Momentum Wheel

Space Inventor presents high-performance momentum wheel units, meticulously designed for microsatellite missions with mission lifetimes of up to 5 years.
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Space Inventor IMU


Inertial Measurement Unit with integrated gyroscope, accelerometer and magnetometer for satellites. 

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Space Inventor Magnetorquer


The MT-P4 magnetorquer rod is an integrated solution designed for momentum dumping of LEO satellites.
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Space Inventor Star Tracker


Star Tracker unit for mini- and microsatellites.

The star tracker is based on advanced star-tracking algorithms developed by Space Inventor. The embedded computer processing unit is built on highly reliable COTS components. The compact rad-hard camera’s optics collect enough signal to track across the entire celestial vault with full performance up to 0.3º/s. 

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Space Inventor Fine Sun Sensor

Fine Sun Sensor

The highly integrated fine sun sensor uses four photodiodes to estimate the sun direction vector with a precision of 1º.
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Space Inventor On-Board Computer


The OBC-P4 is an onboard computing platform consisting of four independent ARM Cortex-M7 modules, each with separate power supply, interfacing, and storage.
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