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 Spacety Small satellite manufacturer operating a dual-band SAR constellation for all-weather Earth observation and providing satellites-as-a-service for rapid in-orbit technology demonstrations Spacety logo
HEAD-TO-HEAD1 shared sector
Momentus Spacety
Founded 2017 2016
Headquarters San Jose, California Changsha, China
Type public private
Status operating operating
Employees 41 200
Total funding $250M
Latest round Private Equity
Sectors Space Transportation & Logistics, In-Orbit Servicing & Assembly, Satellite Manufacturing Earth Observation & Remote Sensing, Satellite Manufacturing, Satellite Components & Subsystems
Products listed 3 4
Federal contracts
Launches
Leaders listed John C. Rood, Rob Schwarz, Lon Ensler Justin Yang Feng, Ren Weijia
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Momentus and Spacety compare?

Both companies work in Satellite Manufacturing. Momentus was founded in 2017 and Spacety in 2016.

Which is larger, Momentus or Spacety?

Spacety reports the larger workforce, with 200 employees versus 41.

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