Muon Space
FireSat wildfire-monitoring satellites
Ranked #2 in Best Space Startups in Earth Observation.
Muon Space, based in Mountain View, California, designs, builds and operates Earth observation satellites, including FireSat, the wildfire-monitoring constellation developed with Earth Fire Alliance and Google.org. It closed a $250 million Series C led by Eclipse in August 2026, taking total equity funding above $386 million.
At a glance
| Price from | Custom |
| Best for | Fire agencies and climate programmes that need frequent monitoring |
From Muon Space's own website.
What stands out
- Operational satellites in orbit
- Backed by Google and Salesforce Ventures
Worth knowing
- Full FireSat constellation still being built
- Younger than most rivals
How it ranks
Muon Space is ranked 2nd of 10 in Best Space Startups in Earth Observation (Lister Score 95.8).
#2 in Best Space Startups in Earth Observation · Lister Score 95.8
Muon Space announced the launch of the first three operational FireSat satellites for Earth Fire Alliance in July 2026..
| Rank | Best Space Startups in Earth Observation | Score |
|---|---|---|
| 1 | ICEYE | 97.1 |
| 2 | Muon Space | 95.8 |
| 3 | Open Cosmos | 94.6 |
| 4 | Umbra | 93.3 |
| 5 | Pixxel | 92.0 |
| 6 | EarthDaily Analytics | 90.7 |
| 7 | Hydrosat | 89.4 |
| 8 | SatVu | 88.1 |
| 9 | constellr | 86.8 |
| 10 | Wyvern | 85.5 |
Frequently asked questions
How does Muon Space rank on Lister?
Muon Space is ranked 2nd of 10 in Best Space Startups in Earth Observation (Lister Score 95.8).
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