SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Impulse Space logo Impulse Space Designs and operates orbital transfer vehicles that move payloads between orbits using high-thrust chemical propulsion, delivering to GEO in under a day vs Muon Space Designs, builds, and operates mission-tailored LEO satellite constellations for Earth observation, climate monitoring, and national security applications Muon Space logo
HEAD-TO-HEAD1 shared sector
Impulse Space Muon Space
Founded 2021 2021
Headquarters Redondo Beach, California Mountain View, California
Type private private
Status operating operating
Employees 292 197
Total funding $895M $260.7M
Latest round Series C Series B
Sectors Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics, Satellite Manufacturing
Products listed 5 6
Federal contracts — —
Launches — —
Leaders listed Tom Mueller, Eric Romo, Kevin Miller Jonny Dyer, Gregory Smirin, Pascal Stang
News mentions 3 2
SHARED SECTORS
Satellite Manufacturing
FREQUENTLY ASKED

How do Impulse Space and Muon Space compare?

Both companies work in Satellite Manufacturing. Impulse Space was founded in 2021 and Muon Space in 2021.

Which is larger, Impulse Space or Muon Space?

Impulse Space reports the larger workforce, with 292 employees versus 197.

Numbers refresh on every render against the live Space Index database. Federal contract data from USAspending.gov; launches from LaunchLibrary2.