Space Inventor 8U Satellite
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State of the art report 2023

8U Satellite

Elevate your space missions with Space Inventor's 8U CubeSat, a high-performance and reliable satellite platform perfect for a broad spectrum of aerospace needs. 

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Mission example

- Elevate the efficiency, safety, and sustainability of maritime operations and infrastructure 





Elevate your space missions with Space Inventor's 8U CubeSat, a high-performance and reliable satellite platform perfect for a broad spectrum of aerospace needs. Space Inventors 8U CubeSat introduces significant enhancements for functionality and durability in space missions.

Featuring adaptable modular subsystems, the Space Inventor 8U satellite is engineered for mission-specific customization. It provides resilience with radiation and EMI shielding, efficient thermal management, and sturdy mechanical support, ensuring exceptional performance in space.

This model supports two standard deployable solar panels, which can expand up to four or two sets of double deployable panels, maximizing energy efficiency. Its ADCS system optimizes satellite orientation for peak solar energy collection, enhancing power generation.

Space Inventor prioritizes ongoing technological advancements in avionics and platform concepts, ensuring our CubeSats meet the highest standards of reliability and efficiency. Quick and efficient satellite integration and deployment are key to mission success, emphasizing our commitment to technical excellence and reliability.

The 8U CubeSat platform offers a payload capacity, of four units, compatible with third-party payloads for diverse applications. It's designed for delivering scientific precision, military-grade dependability, and commercial competitiveness. 


Payload Mass (Kg)
3-6 kg
Payload Volume
2-5 Units
1-2 x gas or ion
Payload power peak
100 W
Reaction wheels
4 x WHL 100
Payload power average
16 W / 50 W / 120 W
Battery Capacity
100-200 Whr
Data Buses
Redundant CAN / Ethernet / SpaceWire
On-Board computer
Redundant Cortex-M7 /redundant Zync-7030
Bus provided redundant user data storage
Up to 64 GB
ADCS Pointing accuracy adv. option 1
Down to 5 arcsec
ADCS sensors
6 Fine sun sensors, 1 star tracker, 2 gyros
Primary communications
S band 4 Mbps
High Speed links
2 x S/X band 4 - 200 Mbps
State-of-the-art power distribution modules for efficient energy management
Four best-in-class momentum wheels with low micro-vibration levels guarantee precise control
Equipped with a suite of cutting-edge attitude sensors, including star trackers, fine sun sensors, and IMU, ensuring high accuracy pointing knowledge
Safe decommissioning: Atmosphere disposal protocol

Mechanical drawing

Space Inventor 8U Satellite Blueprint

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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