SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Momentus logo Momentus Operates orbital service vehicles and manufactures satellite buses for in-space transportation, hosted payloads, and proximity operations vs Phantom Space Develops mass-manufactured small-lift launch vehicles, modular satellite systems, and an orbital data center constellation for in-space computing Phantom Space logo
HEAD-TO-HEAD1 shared sector
Momentus Phantom Space
Founded 2017 2019
Headquarters San Jose, California Tucson, Arizona
Type public private
Status operating operating
Employees 41 30
Total funding $27.7M
Latest round Series B
Sectors Space Transportation & Logistics, In-Orbit Servicing & Assembly, Satellite Manufacturing Launch Services, Satellite Communications, Satellite Manufacturing
Products listed 3 3
Federal contracts
Launches
Leaders listed John C. Rood, Rob Schwarz, Lon Ensler Jim Cantrell, Michal Prywata, Worth Wray
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Momentus and Phantom Space compare?

Both companies work in Satellite Manufacturing. Momentus was founded in 2017 and Phantom Space in 2019.

Which is larger, Momentus or Phantom Space?

Momentus reports the larger workforce, with 41 employees versus 30.

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