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United States · Orbital compute nodes

Axiom Orbital Data Centers

This project focuses on computing nodes in orbit.


Axiom's orbital-computing program spans Ax-1 heritage, the AxDCU-1 ISS prototype and two ARC nodes launched with Kepler in January 2026. Axiom reported node-to-node and node-to-ground communications validation on October 6. Its PQC workload test was ground-based, with an orbital test still planned. A separate ISS node targets 2027 and more than 1 PB of storage. Measured commercial utilization and revenue remain undisclosed.

Axiom Space · ARC communications validated

Scope: Shared computing & storage · A shared computing or storage platform, or a program developing that infrastructure. Classification describes intended use, not operating capacity.

Full technical comparison, configurations and availability →

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Memory & storage
14 TBLaunchedHistorical Ax-1 AWS Snowcone device on the ISS
Evidence & scope

Vendor-disclosed device capacity in the 2022 mission account; no assertion that it remains available in 2026.

As of

Primary source ↗
More than 1 PBPlanned · 2027Separate AxODC ISS node planned for 2027
Evidence & scope

Phison storage target; does not describe the two dedicated nodes already launched.

As of

Primary source ↗
Communications
Up to 2.5 GbpsPlanned · 2027Skyloom optical terminal on the separate planned 2027 ISS node
Evidence & scope

Uses the dated technical announcement's Gbps unit. It is a link design rate, not measured compute throughput.

As of

Primary source ↗
Deployment count
2 dedicated nodesLaunchedJanuary 2026 deployment
Evidence & scope

Excludes the separate ISS prototype; launched nodes do not establish commercial utilization.

As of

Primary source ↗

Figures retain their disclosed units and scope. Launched hardware does not establish demonstrated performance; targets may change. Not disclosed means no figure in the reviewed sources.

PROJECT RELATIONSHIPS

Suppliers & project partners

Kepler Communications

Host

Program organization: Axiom Space

Partnership
Payload integration

Hosting of Axiom ARC 1 and ARC 2 on Kepler optical relay satellites, with Axiom-reported node-to-node and node-to-ground communications validation.

Records the existing prototype hosting scope described in the October 6 update. This is the disclosure date, not a new contract or signature date. Buyer, commercial terms, measured workload throughput and paid utilization are not disclosed. The PQC workload migration was demonstrated on the ground, with orbital PQC testing still planned.

Announced 6 Oct 2026 · Evidence checked 7 Oct 2026

Axiom describes Kepler-hosted ARC nodes and communications validation (opens in a new tab)

4iG Group

Investor

Program organization: Axiom Space

Partnership
Investment & financing

Strategic investment partnership with stated intent to support development of orbital data centers and related space infrastructure.

4iG is an investor and strategic partner. The source does not disclose a procurement contract, defined work package, dedicated orbital-data-center funding, value attributable to the partnership, or a named mission.

Announced 4 Jun 2026 · Evidence checked 25 Sept 2026

Axiom Space Closed Oversubscribed Financing at $525M+ (opens in a new tab)

Skyloom

Supplier

Program organization: Axiom Space

Partnership
Optical links

Optical communication terminal for external ISS connectivity to the orbital data-center network.

Named role within a multi-company collaboration targeting 2027. Individual purchase orders, commercial counterparties and values are not disclosed.

Announced 16 Sept 2025 · Evidence checked 24 Sept 2026

Axiom names ISS node hardware and integration partners (opens in a new tab)

Spacebilt

Supplier

Program organization: Axiom Space

Partnership
Payload integration · Storage payload

Engineering, payload implementation and Large In-Space Servers for the proposed ISS data-center node.

Named role within a multi-company collaboration targeting 2027. Individual purchase orders, commercial counterparties and values are not disclosed.

Announced 16 Sept 2025 · Evidence checked 24 Sept 2026

Axiom names ISS node hardware and integration partners (opens in a new tab)

Red Hat

Supplier

Program organization: Axiom Space

Partnership
Flight / payload software

Red Hat Device Edge software platform for the AxDCU-1 ISS prototype.

No paid procurement value or quantity disclosed; this scope is the prototype, not all Axiom nodes.

Announced 6 Mar 2025 · Evidence checked 26 Sept 2026

Red Hat and Axiom AxDCU-1 collaboration (opens in a new tab)

Skyloom

Supplier

Program organization: Axiom Space

Partnership
Optical links

Optical intersatellite-link integration and demonstration for the Axiom Station network.

Historical station-network agreement. It does not establish procurement terms for every later Axiom node.

Announced 19 Dec 2023 · Evidence checked 26 Sept 2026

Axiom station optical-network agreements (opens in a new tab)

Amazon Web Services (AWS)

Supplier

Program organization: Axiom Space

Supplier selected
Compute & storage

AWS Snowcone device used for the 2022 Ax-1 ISS demonstration.

Flight-hardware provenance is disclosed; direct procurement terms are not. July 21 is the mission-account publication date, not a signing date.

Announced 21 Jul 2022 · Evidence checked 26 Sept 2026

AWS Snowcone Ax-1 mission account (opens in a new tab)
NEXT MILESTONE

Develop the separate ISS data-center node targeted for 2027 and expand interoperability with the two dedicated nodes.

Manual review with evidence gaps 30 Oct 2026. Compared current program page and dated ISS-node announcement. Added per-drive SSD capacity and source-backed LiSS hardware. Corrected the planned optical link to satellite-to-ISS. Launched ARC bits-versus-bytes conflict remains unresolved. Primary body last observed 20 Oct, 01:04 UTC. Source monitoring: ongoing. Source collection and substantive profile review are separate checks. Plans and dates may change.

Axiom Space (opens in a new tab)
WHAT REMAINS UNKNOWN
  • Asset-specific measured compute, storage utilization and revenue
  • Expansion order book
  • Measured commercial utilization
  • Resolution of Gbps versus gigabytes-per-second wording in the program overview
  • Revenue by service
  • Date and verified result of the planned on-orbit ARC post-quantum cryptography demonstration

Project updates

Verified announcements and milestones linked to this project, newest first.

Orbital-computing grant disclosed (opens in a new tab)

Axiom’s June 23 release says it had been awarded a $5.5 million Space Exploration & Aeronautics Research Fund (SEARF) grant to advance orbital computing. June 23 is the disclosure date; the award-execution date, instrument terms and disbursement schedule are not given.