SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
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Planetary Utilities

OPERATING

Digital engineering platform and space infrastructure tools for complex mission planning and system integration

ABOUT

Founded in 2023 and headquartered in California, Planetary Utilities is a private space tech company developing Starforge, a digital engineering platform that integrates AI, SysML, and collaborative tools for designing and simulating complex space systems. The company also develops Starkit, described as a modular space system aimed at enabling teams to build and deploy in-orbit products and services. Planetary Utilities is backed by the Seraphim Accelerator and has a small team led by CEO Johannes Gross, a JPL alumnus, and Chief Software Engineer Robert Karban. The company's Altadena office was destroyed in the January 2025 Eaton Fire, though its hardware prototype survived.

OVERVIEW
Founded 2023
HQ United States
Type Private Company
CLASSIFICATION
DATA QUALITY
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Last Verified Jun 4, 2026