EXA (Astro-und Feinwerktechnik)

Manufacturer Germany Verified
21 Products
33 Years Active
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About EXA (Astro-und Feinwerktechnik)

Astro- und Feinwerktechnik Adlershof GmbH (ASTROFEIN) is a German aerospace manufacturer based in Berlin-Adlershof, officially launched on 12 October 1993 as a spin-off from the German Aerospace Center (DLR). Starting as a five-person precision engineering company, ASTROFEIN has grown into a recognized, certified (DIN EN ISO 9001:2015 and DIN EN 9100:2018) supplier of space components and systems, now employing around 85 people across engineering, manufacturing, and quality assurance.

The company's product portfolio centers on actuators for small-satellite attitude and orbit control systems (AOCS) — including a wide range of reaction wheels from the RW1 up to the RW6000 — as well as ejection mechanisms for CubeSats under the ASTROFEIN PicoSatellite Launcher (PSL) product line, available from PSL1U up to PSL16U. ASTROFEIN is considered one of the world market leaders in reaction wheels and has been described by a customer as "the Ferrari among deployers" for its patented modular launcher design.

Beyond actuators and deployers, ASTROFEIN develops additional AOCS components such as gyro systems, GPS receivers, and magnetometers, along with the ASTROFEIN ACS Test Stand for attitude control system testing and qualification of small satellites and microsatellite buses. The company offers full in-house capability across engineering, manufacturing, and environmental simulation/qualification testing, and has contributed system integration work to missions such as TET and BIROS.

ASTROFEIN's customers and partners include Airbus, DLR, OHB, Jena-Optronik, Spaceflight Inc., and Nanoracks, reflecting its position as an established supplier within the European and international small-satellite supply chain.

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Products

21

High-precision magnetometer for attitude control, developed with Magson GmbH.

1

Air-bearing attitude control system test bench for small and micro satellites.

1

Dual-redundant GPS L1 receiver unit for LEO satellite navigation.

1

Tri-axial gyro system with temperature-compensated data for small satellites.

1

Compact control moment gyroscope delivering 14 Nm torque for small satellites.

1

Flight-proven CubeSat deployer supporting 1U to 12U CubeSats and combinations.

1

Flight-proven CubeSat deployer family for 1U, 2U, and 3U CubeSats.

1

CubeSat deployer for 1U to 6U CubeSats with low-power, resettable mechanism.

1

Miniature reaction wheel for CubeSats with separate wheel drive electronics.

1

Constellation-optimized reaction wheel derived from the RW90 with automotive manufacturing approach.

1

1.0 Nms reaction wheel with integrated drive electronics for small/microsatellites.

1

25 Nms reaction wheel under development for medium satellite buses.

1

Compact 25 mm-class reaction wheel with SPI/CAN interface for small satellites.

1

4.0 Nms reaction wheel for microsatellites requiring higher angular momentum.

1

50 Nms reaction wheel under development for larger satellite buses.

1

Reaction wheel with integrated drive electronics and latch-up protection for small satellites.

1

100 Nms flagship reaction wheel, ASTROFEIN's largest wheel to date.

1

12 Nms reaction wheel under development for larger satellite buses.

1

Mid-size reaction wheel with 0.35 Nms angular momentum and >7 year LEO design life.

1

Upscaled RW150 variant under development with higher torque capability.

1

High-torque 4.0 Nms reaction wheel variant with CAN interface.

1

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