Tethers Unlimited (ARKA, Amergint Technology)

Founded
Country
1994
USA
Website
Tethers Unlimited
Social
Tethers Unlimited (ARKA, Amergint Technology)

Product/Service - Refabricator, SpiderFab, LEO Knight

Classification
In-Space Manufacturing
Category
In-Space Manufacturing
On-Orbit Servicing
In-Space Assembly
In-Space Communications Relay
Robotic Arm
Fields
Material Recycling
Large Space Structures
In-Space Internet
Status
Launched, Development
First launch
2018

Tethers Unlimited is developing a number of new technologies, including a satellite servicer called LEO Knight, a passive deorbit system called Terminator Tape, and HyperBus, an in-space manufacturing platform.

Building upon its successes developing high-performance component technologies to power the SmallSat revolution, TUI is now developing key technologies to enable a range of in-space services, including: in-space servicing and refueling of satellites, in-space manufacturing of satellite components, in-space assembly of space systems, and in-space networking to support advanced space missions.

Refabricator

Demonstrate in-space recycling and manufacturing to support long-duration manned space missions.

Payload called the Refabricator™ combines a plastic recycling system with a 3D printer to enable astronauts to recycle plastic waste into high-quality 3D printer filament, and then use that filament to fabricate new parts, medical implements, food utensils, and other items that the astronauts need to maintain their spacecraft and perform their missions.

SpiderFab

Developing a suite of technologies called "SpiderFab" to enable on-orbit fabrication of large spacecraft components such as antennas, solar panels, trusses, and other multifunctional structures. This includes Trusselator to create lengthy carbon composite structures and OrbWeaver to create satellite antenna.

KRAKEN

Introducing our highly functional KRAKEN® robotic arm, we bring the space economy and industry together. Building the infrastructure needed to support a robust and sustainable in-space economy will require advanced and affordable robotic tools.

TUI has developed the KRAKEN robotic arm to provide the space industry with a compact, high-performance, and cost-effective manipulator to enable small spacecraft to perform in-space assembly, manufacturing, and servicing missions.

The standard KRAKEN configuration is a 1 m, 7 degree-of-freedom arm that can stow in a 19cm x 27cm x 36cm volume, but KRAKEN has a modular design that can be configured to optimize it for your mission application. It integrates a hot-swappable end-effector interface that enables the arm to use a variety of tools. With high speed force sensing in each joint, and an embedded controller supporting force control capabilities, KRAKEN is uniquely capable of supporting the next generation of small robotic spacecraft which is hard to find in many robotic arms.

In-Space Servicing

At TUI we value your passion and want to sustain you with the best in-space servicing you will find. Building the infrastructure needed to support a robust and sustainable in-space economy will require robotic systems able to assemble space systems, fix malfunctioning spacecraft, refuel satellites, and deliver cargo from one orbit to another. To meet these needs, TUI is developing the LEO Knight, a microsat-class spacecraft that integrates TUI’s KRAKEN robotic arm along with servicing tools and refueling components. LEO Knight will provide the capability to assemble ESPA-class modules together to form persistent space platforms, capture space debris and transport it to recycling hubs, and refuel and repair small satellites.
 

In-Space Manufacturing

TUI is developing technical solutions to enable sustainable in-space manufacturing to support long duration manned missions and the creation of the infrastructure needed for exploration and settlement of our solar system. TUI’s work is addressing the full spectrum of the ‘in-space supply chain’, from how we obtain materials in space, to how we transform those materials into things of value, to how we use components manufactured in space to deliver new services to customers in space and on Earth with in-space manufacturing.  

To lower the cost of obtaining material for manufacturing in space, TUI is developing ways to recycle ‘space trash’, such as plastic and metal waste aboard the ISS or pieces of spent rockets, to create feedstock for additive and subtractive manufacturing. In 2018, TUI installed a payload called the “Refabricator” aboard the ISS to demonstrate close-cycle recycling and 3D printing of plastic parts, and it is currently working to develop metal recycling and manufacturing technologies for NASA’s “FabLab” system for in-situ precision manufacturing of mission-critical parts.

To enable creation of antennas, solar arrays, and telescopes that are larger than can be fit into a rocket, TUI is currently preparing a flight experiment called “MakerSat”, which will demonstrate in-space manufacture of very large composite structures. Essentially, MakerSat will manufacture carbon-fiber 2-by-4’s that in the future can be used to assemble very large structures to support antennas, solar sails, solar arrays, or even habitats.

In-Space Assembly

To enable development of the next-generation of space systems supporting DoD, NASA, and commercial enterprises, TUI is developing capabilities for in-space assembly of modular space systems. Key technologies in development, including the KRAKEN® robotic arm, AXON™ connector, and DACTYLUS servicing tool, will enable small robotic systems to assemble large space systems, such as telescopes, communications satellites, and even space stations, out of smaller components that can be launched affordably and responsively by taking advantage of small launch vehicles and secondary payload ride opportunities. In-space assembly will enable creation of space systems offering dramatically higher resolution, bandwidth, sensitivity, and power, all at lower cost than traditional ground-built satellite systems.

In-Space Networking

As the space economy grows, the need for continual, high-throughput data networking will become increasingly important. TUI is building upon its industry-leading SWIFT software defined radio technology to create new capabilities to support networked satellite communications. Among these is SWIFT-LINQ, an IP-based mesh networking solution that enables multiple satellites to easily and rapidly exchange data, providing transformative capabilities for coordinated operations, data relays, and distributed data processing.

Announcing ARKA. Tethers is now part of the ARKA family. Check out our new company website & learn more about the ARKA mission.

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Space Applications Services copy

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In-Space Communications Relay

Argotec

Development

In-Space Communications Relay, Deep Space Communications

ATLAS Space Operations

Development

In-Space Communications Relay

Celestial

Concept, Dormant

CommStar-1

In-Space Communications Relay

CommStar Space Communications

Early stage

In-Space Communications Relay

CosmoX

Concept

In-Space Communications Relay, Deep Space Communications

Fibertek

Development

Myriad

In-Space Communications Relay

Hedy-Anthiel

Dormant, Concept

In-Space Communications Relay

Honeywell

Concept

In-Space Communications Relay

Hypergiant

Concept, Dormant

ShootCapsule

In-Space Communications Relay, In-Orbit Data Storage

Indicium

Concept, Dormant

Nova-C, URV (Universal Re-entry Vechicle)

Commercial Lunar Lander, Transport Service (LEO-Moon), In-Space Communications Relay, Transport Service (Re-Entry)

Intuitive Machines

Development

Optical Service, Ku-band Service, S-band Service

In-Space Communications Relay

Kepler Communications

Development

Lunar Communications Platform (Oreades), PicoGravity Lab, Lunar Space Elevator

In-Space Communications Relay, Commercial Space Station, Space Elevator

Liftport Group

Early stage

Space Tug, In-Space Communications Relay, Transport Service (LEO-Moon)

Lunar Ascent

Early stage

In-Space Communications Relay, Deep Space Communications

MPB Communications

Concept

In-Space Communications Relay

Nokia

Development

Harmony

In-Space Communications Relay, Deep Space Communications

Plus Ultra Space Outposts

Dormant

Transport Service (LEO-Moon), In-Space Manufacturing, On-Orbit Servicing, In-Orbit Inspection, Beyond-LEO Remote Sensing, In-Space Logistics, In-Space Communications Relay

Quantum Space

Development

In-Space Communications Relay

Solstar Space Company

Development

In-Space Communications Relay

Space Initiatives

Concept

Starlink, Starshield

In-Space Communications Relay, Deep Space Communications

SpaceX (Starlink)

Development

In-Space Communications Relay, Deep Space Communications

Spatiam Corporation

Early stage

Lunar Pathfinder

In-Space Communications Relay

SSTL (Surrey Satellite Technologies)

Development

Robotic Arm

Space Robotics, Robotic Arm, Hardware

Airbus

Development

R1

Space Robotics, Commercial Rover, Robotic Arm, Hardware

GITAI

Development

ISRU (In Situ Resource Utilization), Space Resources, Resources - Energy, Space Robotics, Robotic Arm

Honda Motor Co

Development

SpaceDREAM

Robotic Arm, Hardware, In-Space Assembly, On-Orbit Servicing, Active Debris Removal (ADR), Space Robotics

KINETIK Space

Early stage

SpiderFab, OSAM-1, SAMPLR

On-Orbit Servicing, In-Space Assembly, Robotic Arm

Maxar (SSL)

Development

XLINK

Space Robotics, Robotic Arm, Hardware, In-Space Assembly

Motiv Space Systems

Demonstrated

EROSS+, ORBITA, TITAN, PRO-ACT

On-Orbit Servicing, Robotic Arm, Hardware, Space Robotics, In-Space Assembly

PIAP Space

Development

Robotic Arm, Hardware

Reach Robotics (Blueprint Lab)

Development

Archinaut, Optimast, STAARK

In-Space Manufacturing, In-Space Assembly, Robotic Arm, Space Robotics, Hardware

Redwire (Made in Space)

Development

Walking Manipulator, HOTDOCK

In-Space Assembly, Robotic Arm, Space Robotics, Hardware

Space Applications Services copy

Development

In-Space Manufacturing, Robotic Arm

Space Foundry

Development

Smart Drone

Space Tug, Orbital Transportation, On-Orbit Servicing, Active Debris Removal (ADR), Robotic Arm

SpaceDrone

Early stage

Robotic Arm, Hardware, ISRU (In Situ Resource Utilization), On-Orbit Servicing

Sperospace

Early stage, Dormant

ROAMER

On-Orbit Servicing, Hardware, Orbital Transportation, Robotic Arm, In-Space Assembly

ThermaSat (Howe Industries)

Early stage