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 Reflect Orbital Builds and operates a constellation of orbital mirror satellites that redirect natural sunlight to targeted areas on Earth for extended solar energy generation and on-demand illumination. Reflect Orbital logo
HEAD-TO-HEAD1 shared sector
CesiumAstro Reflect Orbital
Founded 2017 2021
Headquarters Austin, Texas, USA Los Angeles, California, USA
Type private private
Status operating operating
Employees 318 50
Total funding $710.2M $28.7M
Latest round Series C Series A
Sectors Satellite Components & Subsystems, Satellite Communications, Satellite Manufacturing Satellite Manufacturing, Suborbital & High-Altitude
Products listed 15 2
Federal contracts
Launches
Leaders listed Shey Sabripour, Kenneth Smith, Chris Pappas III Ben Nowack, Tristan Semmelhack, Ally Stone
News mentions 26 0
SHARED SECTORS
FREQUENTLY ASKED

How do CesiumAstro and Reflect Orbital compare?

Both companies work in Satellite Manufacturing. CesiumAstro was founded in 2017 and Reflect Orbital in 2021.

Which is larger, CesiumAstro or Reflect Orbital?

CesiumAstro reports the larger workforce, with 318 employees versus 50.

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