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Muon Space is a vertically integrated Earth observation company building satellite constellations to provide climate and weather intelligence data.
ACTIVEMuon Space designs, builds and operates satellite constellations for defense, civil and commercial customers, engineering its own spacecraft, instruments, software and operations; it calls this offering the Mission Foundry.
Muon Space designs, builds and operates satellite constellations for defense, civil and commercial customers, engineering its own spacecraft, instruments, software and operations; it calls this offering the Mission Foundry.
Rank 54 of 94 ranked companies. With the pillars we have not measured for this company filled at the 10th and 90th percentiles of the companies we did measure, and every other company held at its published total, the rank is likely between 28 and 70.
4 of 7 inputs measured · Medium confidence · 63% of applicable weight backed by data
Not measured: Headcount, Market value, Reported revenue
A pillar score averages the company’s percentiles among the tracked companies with a value: relative standing, not a grade. Inputs measured 2026-10-20 (UTC) · methodology v6. Every input, its value and percentile · How it is computed
The Space Score ranks companies relative to each other on public data we hold. It describes; it does not rate, forecast or recommend. It is not a credit rating and not investment advice. Full disclaimer
Sources: Founded, Headquarters, CEO, Legal name
For information only, not investment advice. SpaceNexus is not a registered investment adviser, broker or dealer, and nothing here is a recommendation to buy, sell or hold any security. Data may be delayed, estimated or incomplete; check the source before acting. Full disclaimer
5 private rounds on record. Debt, grants, state capital, owner funding and acquisitions are listed under Funding history by class and not added in.
Muon Space ESPA-class satellite platform (MuSat), used for missions such as FireSat wildfire detection; the 500 kg-class MuSat XL is its larger variant.
Stage, milestones, announced next steps and slips, funding and filings, every fact sourced:
Checking for a discussion…
Compiled Oct 20, 2026 from 9 public records. Every figure links the record it comes from.
Form D notices
1 offering reported on Form D
first sale Aug 9, 2022
Each offering counts once: a later amendment (Form D/A) replaces its original. Form D names no round label and no investors. Filings for a merger or SPAC deal are left out.
Latest sourced round
Series C: $250.0M
Lead recorded as Eclipse Capital
Source: SpaceNews
Announced Aug 20, 2026
Sourced rounds on record
5 rounds, $386.2M disclosed
Every round has a disclosed amount
Published rounds with a source link only, on the same rules as the funding tracker. Each round links the source that states its figure; amounts in other currencies are converted to dollars at the rate shown on the funding tracker.
Open roles
144 open roles
30 days ago: 121 (Sep 20, 2026). 90 days ago: before our daily count began (Aug 13, 2026)
Roles on the company's own jobs board, read by our daily sync. Listings posted or paid for on SpaceNexus are not counted. Earlier daily counts include every listed role.
Source: Company jobs board (Greenhouse)
Counted Oct 19, 2026
Satellites owned or operated
3 in orbit of 4 launched
Latest: SERT3
Payloads GCAT lists with this organisation as owner or operator. "In orbit" is GCAT status O. Counted under GCAT organisation code MUON. Catalogue updated Sep 24, 2026.
Satellites built
11 payloads launched, 10 in orbit
Latest: Firesat-2
Payloads GCAT lists with this organisation as manufacturer. Counted under GCAT organisation code MUON. Catalogue updated Sep 24, 2026.
Source: GCAT satellite catalogue
Latest launch Jul 7, 2026
Earth Fire Alliance
Owns 3 satellites it built (latest Firesat-2)
GCAT satellite catalogue, Jul 7, 2026
Sierra Nevada Corp.
Owns 3 satellites it built (latest Vindler 2.0.2)
GCAT satellite catalogue, Mar 30, 2026
Hydrosat
Owns one satellite it built (latest VanZyl-2)
GCAT satellite catalogue, Jun 23, 2025
Satellite data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0.
APA
SpaceNexus. (2026, October 20). Muon Space: Company dossier [Data set]. Retrieved October 20, 2026, from https://spacenexus.us/company-profiles/muon-space
Chicago
SpaceNexus. "Muon Space: Company dossier." Data as of October 20, 2026. Accessed October 20, 2026. https://spacenexus.us/company-profiles/muon-space.
BibTeX
@misc{spacenexus_muonspace_2026,
author = {{SpaceNexus}},
title = {{Muon Space}: Company dossier},
year = {2026},
month = oct,
howpublished = {\url{https://spacenexus.us/company-profiles/muon-space}},
url = {https://spacenexus.us/company-profiles/muon-space},
urldate = {2026-10-20},
note = {Data as of 2026-10-20; each fact links its primary source}
}Took part in Series C (Aug 20, 2026)
SpaceNews, Aug 20, 2026
Took part in Series C (Aug 20, 2026)
SpaceNews, Aug 20, 2026
Eclipse Capital
Recorded as lead of Series C (Aug 20, 2026)
SpaceNews, Aug 20, 2026
Galvanize
Took part in Series C (Aug 20, 2026)
SpaceNews, Aug 20, 2026
I Squared Capital
Took part in Series C (Aug 20, 2026)
SpaceNews, Aug 20, 2026
Took part in Series C (Aug 20, 2026)
SpaceNews, Aug 20, 2026
Salesforce Ventures
Took part in Series C (Aug 20, 2026)
SpaceNews, Aug 20, 2026
Wellington Management
Took part in Series C (Aug 20, 2026)
SpaceNews, Aug 20, 2026
Took part in Series C (Aug 20, 2026)
SpaceNews, Aug 20, 2026