Sidus Space Advances $120M Agreement with Lonestar, Selects Atomic-6 as Solar Array Partner for Cislunar Data Satellite Mission
June 27, 2025
Sidus Space, a pioneering provider of space and defense technology, has announced a significant milestone in its expanded $120 million preliminary agreement with Lonestar Data Holdings. This partnership aims to support the world’s first lunar data centers. Atomic-6 has been chosen to supply its Light Wing™ solar arrays, which are expected to power Sidus’ LizzieSat® satellites that will be part of Lonestar’s cislunar data storage constellation.
The all-composite, redeployable Light Wing™ arrays offer industry-leading power-to-mass performance, enhancing mission assurance and overall efficiency. Atomic-6’s solution was selected following a comprehensive technical and commercial evaluation to meet the demands of secure, redundant satellite operations in the challenging cislunar environment.
Sidus’ versatile LizzieSat® platform provides a scalable solution for complex missions beyond low Earth orbit, including future lunar operations. The company’s comprehensive capabilities—ranging from design and integration to launch and operations—are being utilized to support Lonestar’s phased deployment of a resilient cislunar data infrastructure.
“This collaboration represents a key milestone as we evolve LizzieSat® to fulfill our vision for lunar satellite services,” stated Carol Craig, CEO of Sidus Space. “We take pride in leading this commercial-first initiative, which not only delivers data security solutions in cislunar space but also showcases the adaptability and utility of our LizzieSat® platform across deep space operations.”
The constellation aims to provide secure, tamper-resistant data storage that is resilient to threats such as natural disasters, geopolitical instability, and cyberattacks. The selection of Atomic-6 highlights the critical role of high-efficiency power systems in facilitating this next-generation architecture. The Light Wing™ arrays deliver up to 200 watts per kilogram, which is four times the power output of comparable systems, ensuring exceptional efficiency and reliability.
“We are thrilled to welcome Atomic-6 as a trusted partner in this ambitious program,” Craig added. “Their innovative solar arrays significantly enhance our capability to meet the unique demands of cislunar deployment.”
This announcement follows Sidus Space’s execution of an extended and amended preliminary agreement with Lonestar in March 2025. As program development progresses, Sidus remains dedicated to advancing commercial applications in cislunar space and enabling next-generation services through its adaptable LizzieSat® platform.
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