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United States / Germany · Compute satellite

Orbital-1

This project focuses on computing aboard a satellite.


Orbital-1 is the first purpose-built spacecraft in Orbital's proposed computing constellation, targeted for 2028. Reflex leads bus design and system integration under a development agreement; September 2026 material describes peak power approaching 250 kW.

Orbital · In development

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

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Electrical power
About 250 kWPlanned · 2028Orbital-1 peak electrical design power
Evidence & scope

Source says approaching 250 kW; approximately preserves that qualifier. It is not observed output or a replacement for the older fleet architecture's different power boundary.

As of

Primary source ↗
Deployment count
Up to 100,000 satellitesProposedParent Orbital constellation concept, beyond the Orbital-1 pathfinder spacecraft
Evidence & scope

Proposed fleet ceiling. This is not the quantity in the Reflex development agreement or an Orbital-1 order.

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

Reflex Aerospace

Supplier

Buyer: Orbital

Development agreement
Satellite bus · Payload integration

Satellite bus design and space-system integration for Orbital-1 and the planned follow-on constellation.

Development agreement and exclusive platform role; production orders and contract value are not disclosed.

Announced 10 Sept 2026 · Evidence checked 24 Sept 2026

Orbital selects Reflex Aerospace (opens in a new tab)
NEXT MILESTONE

Develop Orbital-1 toward the announced 2028 flight target; the separate hosted GPU demonstration is targeted for 2027.

Manual review 30 Oct 2026. Reflex confirms planned passive radiation cooling and large-array power architecture. Peak design power remains separate from IT load, solar generation and total operating demand. Older generic production hardware, mass and span remain held without mission mapping. Primary body last observed 23 Oct, 09:48 UTC. Source monitoring: ongoing. Source collection and substantive profile review are separate checks. Plans and dates may change.

Reflex Aerospace (opens in a new tab)
WHAT REMAINS UNKNOWN
  • Achieved compute throughput and electrical/thermal performance
  • Contract value
  • Exact launch date and provider for Orbital-1
  • Operational compute capacity
  • Production orders beyond the development agreement

Project updates

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