Space Inventor Microsatellite Platform
State of the art report 2023

Microsatellite Platform

Explore our customizable microsatellite solution, crafted from modular subsystems to cater to diverse missions in both Low Earth Orbit and Geostationary Orbit.

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Mission example

- Capable of maneuvering from different orbital slots in Geostationary orbit for Bring-into-use purposes - Rendezvous and close proximity missions - Space Domain Awareness - communication using high-speed links - Stellar Observation - Earth Observation  





Explore our customizable microsatellite solution, crafted from modular subsystems to cater to diverse missions in both Low Earth Orbit and Geostationary Orbit.

Introducing Space Inventor's cutting-edge microsatellite platform, offering customization options for tailored missions. Our innovative design streamlines components, simplifying integration with convenient 360° access.

The Microsatellite platform is specifically optimized for compatibility with the Falcon 9 quarter plate payload adapter, utilizing an 8-inch, 11-inch, or 15-inch separation ring from ExoLaunch.

The Microsatellite platform ensures reliability and offers additional options such as deployable solar panels and precise orientation capabilities for optimal power generation.


Payload Mass Average
10-70 kg
Payload Volume
Payload Power Peak Average
Up to 300 W
Reaction wheels
4-8 x WHL 500/1000/5000
Payload Power Average
Up to 300 W
Battery Capacity
Up to 1200 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
6-12 Fine sun sensors, 1-2 star tracker, 2 gyros
Primary communications
S band 4 Mbps
High Speed links
2 x S/X band 4 - 200 Mbps
Solar Peak power production
Up to 500 W
Available for GEO with reduced payload capacity and reduced link speed
State-of-the-art power distribution modules for efficient energy management
Equipped with a suite of cutting-edge attitude sensors, including star trackers, fine sun sensors, and IMU, ensuring high accuracy pointing knowledge
Vectoring electric propulsion units for orbital manoeuvring and wheel unloading
Four best-in-class momentum wheels with low micro-vibration levels guarantee precise control
Secure decommissioning at the Geostationary Orbit graveyard

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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