# Astro Digital: orbital data center program

> United States (United States), supplier. Stage 4 of 7: Payload demo flown. Its Corvus-Micro+ bus carried the Starcloud-1 H100 satellite, launched 2025-11-02; Starcloud owns and operates the satellite.

- Canonical page: https://spacenexus.us/orbital-data-centers/astro-digital
- This Markdown version: https://spacenexus.us/orbital-data-centers/astro-digital.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

- Its Corvus-Micro+ bus carried the Starcloud-1 H100 satellite, launched 2025-11-02; Starcloud owns and operates the satellite. Sources: [US SEC](https://www.sec.gov/Archives/edgar/data/0002087446/000121390026103789/ea030673101ex99-2.htm)

## Key figures

- SPAC pro forma enterprise value: $587M. Sources: [SatNews](https://satnews.com/2026/09/30/astro-digital-to-go-public-via-587-million-spac-merger-with-proem-acquisition-corp-i/)

## Approach

- Orbit: LEO
- Architecture: Satellite bus maker and operator; built the Starcloud-1 bus; Corvus XL planned for compute-class payloads
- Power: Bus solar; power purchase agreement with Star Catcher (beamed power) planned
- Cooling: Not disclosed
- Compute: Customer payloads (Starcloud H100)
- Customers: Starcloud (the Starcloud-1 bus)

## Milestones

| Date | Status | Confidence | Milestone | Sources |
| --- | --- | --- | --- | --- |
| 2025-11-02 | achieved | Confirmed | Starcloud-1 bus (Corvus-Micro+) flew | [US SEC](https://www.sec.gov/Archives/edgar/data/0002087446/000121390026103789/ea030673101ex99-2.htm) |
| 2026-09-28 | achieved | Confirmed | SPAC merger with Proem Acquisition Corp I announced. Up to $180M gross proceeds; orbital data centers cited as a growth market. | [SatNews](https://satnews.com/2026/09/30/astro-digital-to-go-public-via-587-million-spac-merger-with-proem-acquisition-corp-i/) |

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

- Q1 2027: SPAC close and Nasdaq listing. Sources: [SatNews](https://satnews.com/2026/09/30/astro-digital-to-go-public-via-587-million-spac-merger-with-proem-acquisition-corp-i/)

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

SPAC close, expected Q1 2027.

## Cautions

- Enabler, not an operator.

## Sources

- [US SEC](https://www.sec.gov/Archives/edgar/data/0002087446/000121390026103789/ea030673101ex99-2.htm)
- [SatNews](https://satnews.com/2026/09/30/astro-digital-to-go-public-via-587-million-spac-merger-with-proem-acquisition-corp-i/)

## Licence and credits

- Licence: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) for the stage, labels and summaries compiled by SpaceNexus. Cite as "Data: SpaceNexus (spacenexus.us)" with a link to https://spacenexus.us/orbital-data-centers/astro-digital.
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