SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
AST SpaceMobile logo AST SpaceMobile Operates a space-based cellular broadband network delivering 4G and 5G connectivity directly to standard smartphones via LEO satellites vs Momentus Operates orbital service vehicles and manufactures satellite buses for in-space transportation, hosted payloads, and proximity operations Momentus logo
HEAD-TO-HEAD1 shared sector
AST SpaceMobile Momentus
Founded 2017 2017
Headquarters Midland, Texas San Jose, California
Type public public
Status operating operating
Employees 613 41
Total funding
Latest round
Sectors Satellite Communications, Ground Segment & Networks, Satellite Manufacturing Space Transportation & Logistics, In-Orbit Servicing & Assembly, Satellite Manufacturing
Products listed 5 3
Federal contracts
Launches
Leaders listed Abel Avellan, Scott Wisniewski, Andrew Johnson John C. Rood, Rob Schwarz, Lon Ensler
News mentions 1 0
SHARED SECTORS
FREQUENTLY ASKED

How do AST SpaceMobile and Momentus compare?

Both companies work in Satellite Manufacturing. AST SpaceMobile was founded in 2017 and Momentus in 2017.

Which is larger, AST SpaceMobile or Momentus?

AST SpaceMobile reports the larger workforce, with 613 employees versus 41.

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