SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Astroscale logo Astroscale Designs and operates spacecraft for on-orbit servicing, including debris removal, satellite life extension, and refueling across LEO and GEO 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
Astroscale Momentus
Founded 2013 2017
Headquarters Sumida, Japan San Jose, California
Type public public
Status operating operating
Employees 376 41
Total funding
Latest round
Sectors In-Orbit Servicing & Assembly, Space Domain Awareness, Space Sustainability & Debris Removal Space Transportation & Logistics, In-Orbit Servicing & Assembly, Satellite Manufacturing
Products listed 6 3
Federal contracts
Launches
Leaders listed Mitsunobu Okada, Chris Blackerby, Nobuhiro Matsuyama John C. Rood, Rob Schwarz, Lon Ensler
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Astroscale and Momentus compare?

Both companies work in In-Orbit Servicing & Assembly. Astroscale was founded in 2013 and Momentus in 2017.

Which is larger, Astroscale or Momentus?

Astroscale reports the larger workforce, with 376 employees versus 41.

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