SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
CesiumAstro logo CesiumAstro Designs, manufactures, and integrates software-defined phased array communications systems, payloads, and satellites for space, airborne, and ground platforms. 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-HEAD2 shared sectors
CesiumAstro Phantom Space
Founded 2017 2019
Headquarters Austin, Texas, USA Tucson, Arizona, USA
Type private private
Status operating operating
Employees 318 30
Total funding $710.2M $27.7M
Latest round Series C Series B
Sectors Satellite Components & Subsystems, Satellite Communications, Satellite Manufacturing Launch Services, Satellite Communications, Satellite Manufacturing
Products listed 15 3
Federal contracts
Launches
Leaders listed Shey Sabripour, Kenneth Smith, Chris Pappas III Jim Cantrell, Michal Prywata, Worth Wray
News mentions 26 0
SHARED SECTORS
FREQUENTLY ASKED

How do CesiumAstro and Phantom Space compare?

Both companies work in Satellite Communications, Satellite Manufacturing. CesiumAstro was founded in 2017 and Phantom Space in 2019.

Which is larger, CesiumAstro or Phantom Space?

CesiumAstro reports the larger workforce, with 318 employees versus 30.

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