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 TransAstra Develops orbital logistics vehicles, asteroid capture systems, and space domain awareness telescopes for cislunar resource utilization TransAstra logo
HEAD-TO-HEAD1 shared sector
Momentus TransAstra
Founded 2017 2017
Headquarters San Jose, California Los Angeles, California
Type public private
Status operating operating
Employees 41 29
Total funding $12M
Latest round Seed
Sectors Space Transportation & Logistics, In-Orbit Servicing & Assembly, Satellite Manufacturing Space Resources & Mining, Space Domain Awareness, Space Transportation & Logistics
Products listed 3 7
Federal contracts
Launches
Leaders listed John C. Rood, Rob Schwarz, Lon Ensler Joel Sercel, PhD., Nicole Shumaker, Alex Pilmer
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Momentus and TransAstra compare?

Both companies work in Space Transportation & Logistics. Momentus was founded in 2017 and TransAstra in 2017.

Which is larger, Momentus or TransAstra?

Momentus reports the larger workforce, with 41 employees versus 29.

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