# Reflex Aerospace (Orbital-1 platform): orbital data center program

> Germany (Europe), supplier. Stage 1 of 7: Concept. It signed an exclusive design agreement with Orbital on 2026-09-10; Orbital-1 targets 2028.

- Canonical page: https://spacenexus.us/orbital-data-centers/reflex-aerospace
- This Markdown version: https://spacenexus.us/orbital-data-centers/reflex-aerospace.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

- It signed an exclusive design agreement with Orbital on 2026-09-10; Orbital-1 targets 2028. Sources: [Reflex Aerospace](https://www.reflexaerospace.com/press-releases/orbital-selects-reflex-as-exclusive-satellite-platform-partner-space-data-center-constellation)

## Key figures

- Orbital-1 peak power (planned): 250 kW (company claim). Sources: [DatacenterDynamics](https://www.datacenterdynamics.com/en/news/orbital-partners-with-reflex-aerospace-for-space-data-center-constellation/)

## Approach

- Orbit: LEO
- Architecture: Exclusive bus and system integrator for US startup Orbital's data center satellites: large arrays and radiators around a GPU stack sized for an NVIDIA Vera Rubin rack
- Power: About 250 kW peak, about 100 kW compute per Orbital-1
- Cooling: Radiators rejecting hundreds of kW
- Compute: Vera Rubin rack class (Orbital design)
- Customers: Orbital

## Milestones

| Date | Status | Confidence | Milestone | Sources |
| --- | --- | --- | --- | --- |
| 2026-09-10 | achieved | Confirmed | Exclusive design-and-development agreement with Orbital | [Reflex Aerospace](https://www.reflexaerospace.com/press-releases/orbital-selects-reflex-as-exclusive-satellite-platform-partner-space-data-center-constellation) |

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

- 2028: Launch Orbital-1. Sources: [DatacenterDynamics](https://www.datacenterdynamics.com/en/news/orbital-partners-with-reflex-aerospace-for-space-data-center-constellation/)

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

Orbital-1 progress toward 2028.

## Cautions

- The 2028 date is from DCD reporting, not the Reflex release itself.

## People

- Walter Ballheimer (CEO, founder)

## Sources

- [Reflex Aerospace](https://www.reflexaerospace.com/press-releases/orbital-selects-reflex-as-exclusive-satellite-platform-partner-space-data-center-constellation)
- [DatacenterDynamics](https://www.datacenterdynamics.com/en/news/orbital-partners-with-reflex-aerospace-for-space-data-center-constellation/)

## Licence and credits

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