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 K2 Space Designs and manufactures large-scale, high-power satellite platforms with in-house electric propulsion and avionics for multi-orbit missions K2 Space logo
HEAD-TO-HEAD2 shared sectors
CesiumAstro K2 Space
Founded 2017 2022
Headquarters Austin, Texas Torrance, California
Type private private
Status operating operating
Employees 318 159
Total funding $710.2M $429M
Latest round Series C Series C
Sectors Satellite Components & Subsystems, Satellite Communications, Satellite Manufacturing Satellite Manufacturing, Satellite Components & Subsystems, Space Propulsion
Products listed 15 3
Federal contracts
Launches
Leaders listed Shey Sabripour, Kenneth Smith, Chris Pappas III Karan Kunjur, Neel Kunjur, John Plumb
News mentions 26 0
SHARED SECTORS
FREQUENTLY ASKED

How do CesiumAstro and K2 Space compare?

Both companies work in Satellite Components & Subsystems, Satellite Manufacturing. CesiumAstro was founded in 2017 and K2 Space in 2022.

Which is larger, CesiumAstro or K2 Space?

CesiumAstro reports the larger workforce, with 318 employees versus 159.

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