Stellar Ventures

Esper Satellite Imagery is a company focused on developing a constellation of hyperspectral imaging satellites equipped with in-house built imagers that cover over 100 spectral bands with a ground sampling distance of 1 meter. The company specializes in creating modular satellites capable of capturing detailed hyperspectral imagery to enhance agricultural practices and optimize mining operations. Their technology allows for precise measurements of various environmental factors, including water quality and plant health, which are essential for sustainable farming. Additionally, the satellites facilitate the identification of underground ore deposits, contributing to more efficient mining processes. Esper Satellite Imagery's capabilities also extend to monitoring the impacts of climate change, providing valuable environmental data to clients, and promoting resource efficiency for future generations.

Satellite Vu is a developer of high-resolution thermal imaging satellites designed to monitor the temperature of buildings and infrastructures globally. By utilizing infrared technology to capture heat emissions in near real-time, the company provides valuable insights into economic activity, energy efficiency, and carbon footprints. This information aids various sectors, including the energy industry, investors, natural disaster responders, and building operators, in making informed decisions related to sustainability and resource management. Through its innovative satellite imagery, Satellite Vu aims to enhance understanding of environmental impacts and support initiatives in sustainable finance and disaster response.

Argo Space operates an in-space transport service aimed at sustainable access to various orbital locations. The company utilizes reusable in-space vehicles to provide affordable and dependable payload transfers, enabling more frequent missions. It is exploring the harvesting of water from lunar regolith to manufacture an abundant propellant source, supporting a permanent human presence beyond Earth. Through these innovations, Argo Space seeks to expand practical access to space and improve scheduling and reliability of orbital transfers.

Esper Satellite Imagery is a company focused on developing a constellation of hyperspectral imaging satellites equipped with in-house built imagers that cover over 100 spectral bands with a ground sampling distance of 1 meter. The company specializes in creating modular satellites capable of capturing detailed hyperspectral imagery to enhance agricultural practices and optimize mining operations. Their technology allows for precise measurements of various environmental factors, including water quality and plant health, which are essential for sustainable farming. Additionally, the satellites facilitate the identification of underground ore deposits, contributing to more efficient mining processes. Esper Satellite Imagery's capabilities also extend to monitoring the impacts of climate change, providing valuable environmental data to clients, and promoting resource efficiency for future generations.

Solideon develops wire arc additive manufacturing WAAM solutions for large metallic components, enabling multi-robot, multi-tool manufacturing cells that produce finished parts in days rather than months. The company focuses on aerospace vehicle manufacturing and related infrastructure applications, leveraging additive manufacturing systems and machine-learning collaboration to build vehicles and infrastructure on Earth, the Moon, and Mars. This approach aims to expand space research capabilities and accelerate transportation and infrastructure projects, creating new opportunities across industries. Solideon emphasizes rapid production, scalable automation, and data-driven optimization to streamline fabrication of high-strength components for aerospace and other high-demand sectors.

The Exploration Company designs, builds, and operates modular, reusable spacecraft named Nyx for use on space stations near Earth and the Moon. Nyx can be refueled in orbit and uses green propellants. The company also provides an open-source operating system for these spacecraft. By offering in-space experiments on the International Space Station at a minimum price, it aims to make space exploration more accessible and enable new players to participate in the space exploration race.

Argo Space operates an in-space transport service aimed at sustainable access to various orbital locations. The company utilizes reusable in-space vehicles to provide affordable and dependable payload transfers, enabling more frequent missions. It is exploring the harvesting of water from lunar regolith to manufacture an abundant propellant source, supporting a permanent human presence beyond Earth. Through these innovations, Argo Space seeks to expand practical access to space and improve scheduling and reliability of orbital transfers.

Firehawk Aerospace is a private aerospace company focused on advanced rocket propulsion technology. It develops rocket engines and propulsion systems with efficiency and reliability comparable to liquid bi-propellant engines while maintaining safety and simplicity akin to hybrid engines. The firm uses proprietary additive manufacturing to produce 3D-printed fuel grains tailored to specific sizes and thrust profiles, enabling customized, scalable propulsion solutions. Founded in 2018 and based in Melbourne, Florida, with an additional office in Tulsa, Oklahoma, Firehawk aims to improve space transportation efficiency, safety, and cost competitiveness.

Xona Space Systems develops and manufactures position, navigation, and timing satellite solutions for smart transportation and infrastructure. The company operates a constellation of low-cost, low-Earth-orbit satellites to deliver secure navigation and timing services with resilience and high location precision for autonomous vehicles, unmanned aerial vehicles, mobile robotics, and other location-critical applications. Founded in 2019 and based in San Mateo, California, Xona Space Systems aims to enable safe, scalable operation of intelligent systems at scale.

Firehawk Aerospace is a private aerospace company focused on advanced rocket propulsion technology. It develops rocket engines and propulsion systems with efficiency and reliability comparable to liquid bi-propellant engines while maintaining safety and simplicity akin to hybrid engines. The firm uses proprietary additive manufacturing to produce 3D-printed fuel grains tailored to specific sizes and thrust profiles, enabling customized, scalable propulsion solutions. Founded in 2018 and based in Melbourne, Florida, with an additional office in Tulsa, Oklahoma, Firehawk aims to improve space transportation efficiency, safety, and cost competitiveness.