SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Antaris logo Antaris Provides a cloud-based software platform for satellite mission design, digital twin simulation, flight software, and constellation operations vs D-Orbit Operates orbital transfer vehicles for last-mile satellite delivery, hosted payload services, space cloud computing, and in-orbit servicing D-Orbit logo
HEAD-TO-HEAD1 shared sector
Antaris D-Orbit
Founded 2021 2011
Headquarters Los Altos, California Italy
Type private public
Status operating operating
Employees 21 333
Total funding $7.7M
Latest round Seed
Sectors Space Software & Mission Tools, Satellite Manufacturing Space Transportation & Logistics, In-Orbit Servicing & Assembly, Space Software & Mission Tools
Products listed 4 18
Federal contracts
Launches
Leaders listed Tom Barton, Karthik Govindhasamy, John Trionfo Luca Rossettini, Renato Panesi, Sergio Mucciarelli
News mentions 0 10
SHARED SECTORS
FREQUENTLY ASKED

How do Antaris and D-Orbit compare?

Both companies work in Space Software & Mission Tools. Antaris was founded in 2021 and D-Orbit in 2011.

Which is larger, Antaris or D-Orbit?

D-Orbit reports the larger workforce, with 333 employees versus 21.

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