# Antaris

> Antaris is a Los Altos satellite software company that links mission design, digital-twin simulation, flight software and operations. Its JANUS-1 demonstration satellite was rehearsed virtually before launching in 2023; the company now works with government and commercial mission teams on spacecraft and constellation programs.

- **Founded:** 2021
- **Headquarters:** Los Altos, United States
- **Founders:** Tom Barton (CEO and co-founder), Karthik Govindhasamy (CTO and co-founder)
- **Products:** Antaris Intelligence Platform, Antaris Design Studio, TrueTwin, Command Center, SatOS
- **Notable:** JANUS-1, a 6U software-defined demonstration satellite, launched on 2023-02-10 aboard ISRO SSLV-D2., Antaris reports that JANUS-1 reached launch readiness in ten months and cost 75% less than comparable missions; these are company-reported comparisons., Selected for a $1.7 million SpaceWERX Orbital Prime contract in 2023.

## Products & services

- **Antaris Intelligence Platform** — Cloud platform joining satellite mission design, simulation, operations and AI-assisted workflows.
- **Antaris Design Studio** — Mission and spacecraft design tools.
- **TrueTwin** — High-fidelity satellite and mission digital-twin environment, including hardware-in-the-loop connections.
- **Command Center** — Command, control, provisioning and orchestration for satellites and constellations.
- **SatOS** — Distributed spacecraft software stack that can run end-to-end or integrate with other flight software.
- **Satellite Design Library** — Reference designs and a flight-qualified onboard computer core board released as open-source hardware.

## Achievements

- JANUS-1, a 6U software-defined demonstration satellite, launched on 2023-02-10 aboard ISRO SSLV-D2.
- Antaris reports that JANUS-1 reached launch readiness in ten months and cost 75% less than comparable missions; these are company-reported comparisons.
- Selected for a $1.7 million SpaceWERX Orbital Prime contract in 2023.
- Selected for the 2025 Hyperspace Challenge.
- Closed the first $28 million of a Series A round in March 2026.

## Latest updates

- **2026-07** — Established Aeonyx as a separate defense mission virtualization business headquartered in Colorado Springs.
- **2026-05** — Signed a memorandum with Transcelestial for an ISR and optical communications demonstrator targeted for JANUS-2.
- **2026-03** — Announced the first close of a $28 million Series A led by WestWave Capital.
- **2026-02** — Signed a memorandum with SARsatX concerning an initial 16-satellite SAR and optical constellation.
- **2026-01** — Announced an Infostellar ground operations integration memorandum.

## Links

- Website: https://www.antaris.space/
- LinkedIn: https://www.linkedin.com/company/antaris-space
- Twitter/X: https://twitter.com/antarissoftware
- GitHub: https://github.com/antaris-inc

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Profile page: https://yespress.io/antaris
Published by YesPress — https://yespress.io
Last updated: 2026-09-29