SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
CesiumAstro logo CesiumAstro Designs, manufactures, and integrates software-defined phased array communications systems, payloads, and satellites for space, airborne, and ground platforms vs Orbital Sidekick Operates a constellation of hyperspectral imaging satellites and delivers spectral intelligence for energy, mining, agriculture, and defense monitoring Orbital Sidekick logo
HEAD-TO-HEAD1 shared sector
CesiumAstro Orbital Sidekick
Founded 2017 2016
Headquarters Austin, Texas San Francisco, California
Type private private
Status operating operating
Employees 318 24
Total funding $710.2M $55.4M
Latest round Series C Venture
Sectors Satellite Components & Subsystems, Satellite Communications, Satellite Manufacturing Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics, Satellite Manufacturing
Products listed 15 4
Federal contracts
Launches
Leaders listed Shey Sabripour, Kenneth Smith, Chris Pappas III Dan Katz, Tushar Prabhakar, Spencer Hill
News mentions 26 0
SHARED SECTORS
FREQUENTLY ASKED

How do CesiumAstro and Orbital Sidekick compare?

Both companies work in Satellite Manufacturing. CesiumAstro was founded in 2017 and Orbital Sidekick in 2016.

Which is larger, CesiumAstro or Orbital Sidekick?

CesiumAstro reports the larger workforce, with 318 employees versus 24.

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