Catalyx Space

Updated 15 Jul 2026
Manufacturer United States Listed
1 Products
5 Services
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About Catalyx Space

Catalyx Space Inc. is developing the next generation of orbital return vehicles, capable of bringing large payloads back from low Earth orbit to designated ocean recovery zones at dramatically lower cost than existing systems. The company raised $5.4 million in funding to accelerate development of its ReX vehicle family.

The ReX series is built around an origami-inspired deployable thermal protection system (TPS) — a hypersonic decelerator that enables the heat shield to fold compactly for launch and deploy at full size for reentry. This approach allows Catalyx to offer class-leading payload capacity at lower $/kg compared to conventional rigid capsules.

The ReX product line spans four configurations: ReX-3 (in-orbit demonstration, 2026), ReX-ITD (4 kg payload), ReX-Heavy (1,250 kg / 30 m³, launching 2029 on Falcon 9), and ReX-Super Heavy (12,000 kg / 60 m³). Pricing ranges from $17,500/kg for 2.5T class to $7,700/kg for the 20T class.

Catalyx is vertically integrated across the full mission cycle — from spacecraft development and payload integration to launch logistics, mission control, and ocean recovery. Target applications include contested logistics, nuclear power deployment, asset recovery, hypersonic testbeds, and space station cargo resupply.

Products

1

The Cosmotron is a 50 kg class, fully vertically integrated spacecraft platform designed for rapid deployment in various space applications, consolidating OBC, EPS, Communications, and Edge Computing onto a single PCB.

1

Additional Services

5
Transportation & logistics
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Catalyx Space provides services for cargo resupply to orbital assets, ensuring that missions have the necessary resources. Furthermore, the company facilitates the return of advanced materials that have been manufactured in-space. This capability supports the growing field of in-space manufacturing…

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Catalyx Space provides point-to-point delivery services for payloads in both orbital and sub-orbital trajectories. This service leverages their ReX series of orbital return vehicles, which are designed for delivering heavy-mass, high-power, and high-volume missions from Low Earth Orbit (LEO) to…

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Testing & qualification
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Catalyx Space offers comprehensive testing services for novel sensors and materials in a space environment. This includes the capability for multi-modal data collection, which is crucial for the development and validation of AI-powered hypersonic designs. The company facilitates the testing…

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Mission operations
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Catalyx Space provides specialized services for de-orbiting and recovering objects of interest from space. This includes the capability to safely bring back specific items from orbit to designated recovery zones. Additionally, the company offers services to maintain and service critical…

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Catalyx Space provides comprehensive mission cycle operations, which include encapsulated spacecraft development, payload integration, launch logistics, mission control, and recovery. This integrated approach ensures a single accountable operational framework for customers, streamlining the entire process from initial development to post-mission…

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