# SpaceBlast (JAXA orbital data center technology): orbital data center program

> Japan (Asia-Pacific), startup. Stage 2 of 7: Funded study. JAXA selected it on 2026-01-16 for an "orbital data center construction technology" theme; kickoff was 2026-06-16 with simulations; no flight date.

- Canonical page: https://spacenexus.us/orbital-data-centers/spaceblast
- This Markdown version: https://spacenexus.us/orbital-data-centers/spaceblast.md
- Data as of: 2026-10-05 (last evidence review)
- How the numbers are made: https://spacenexus.us/orbital-data-centers#method

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## Stage evidence

- JAXA selected it on 2026-01-16 for an "orbital data center construction technology" theme; kickoff was 2026-06-16 with simulations; no flight date. Sources: [SpaceBlast](https://spaceblast.co.jp/news/2011/); [SpaceBlast](https://spaceblast.co.jp/news/2187/)

## Approach

- Orbit: LEO (space stations and satellites)
- Architecture: Distributed orbital data center using commercial-grade hardware made reliable by anomaly detection and automatic recovery
- Power: Host platform
- Cooling: Not disclosed
- Compute: Commercial off-the-shelf
- Customers: Post-ISS commercial stations, EO satellites

## Milestones

| Date | Status | Confidence | Milestone | Sources |
| --- | --- | --- | --- | --- |
| 2026-01-16 | achieved | Confirmed | Selected by JAXA Space Strategy Fund for orbital data center construction technology. Announced by the company 2026-01-26. | [SpaceBlast](https://spaceblast.co.jp/news/2011/) |
| 2026-06-16 | achieved | Confirmed | Project kickoff with simulation demonstrations | [SpaceBlast](https://spaceblast.co.jp/news/2187/) |

## Announced next steps (as the organisation stated them)

No dated next step announced.

## What to watch (SpaceNexus note, not a prediction)

No flight date announced.

## Cautions

- The JAXA theme budget (JPY 13.5B over 6 years) is reported; the amount to SpaceBlast is undisclosed.

## People

- Yoshifumi Sakamoto (CTO)

## Sources

- [SpaceBlast](https://spaceblast.co.jp/news/2011/)
- [SpaceBlast](https://spaceblast.co.jp/news/2187/)

## Licence and credits

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