SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Muon Space logo Muon Space Designs, builds, and operates mission-tailored LEO satellite constellations for Earth observation, climate monitoring, and national security applications vs Orbital Sidekick Operates a constellation of hyperspectral imaging satellites and delivers spectral intelligence for energy, mining, agriculture, and defense monitoring Orbital Sidekick logo
HEAD-TO-HEAD3 shared sectors
Muon Space Orbital Sidekick
Founded 2021 2016
Headquarters Mountain View, California San Francisco, California
Type private private
Status operating operating
Employees 197 24
Total funding $260.7M $55.4M
Latest round Series B Venture
Sectors Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics, Satellite Manufacturing Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics, Satellite Manufacturing
Products listed 6 4
Federal contracts
Launches
Leaders listed Jonny Dyer, Gregory Smirin, Pascal Stang Dan Katz, Tushar Prabhakar, Spencer Hill
News mentions 2 0
SHARED SECTORS
FREQUENTLY ASKED

How do Muon Space and Orbital Sidekick compare?

Both companies work in Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics, Satellite Manufacturing. Muon Space was founded in 2021 and Orbital Sidekick in 2016.

Which is larger, Muon Space or Orbital Sidekick?

Muon Space reports the larger workforce, with 197 employees versus 24.

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