Kreios Space to Demonstrate Air-Breathing Electric Propulsion in Very Low Earth Orbit

Summary (TL;DR)

Spanish startup Kreios Space will conduct a demonstration of its air-breathing electric propulsion system in very low Earth orbit (VLEO) aboard a Kongsberg NanoAvionics microsatellite bus in 2027, marking a significant milestone in the development of this innovative technology. The mission aims to validate the performance of the propulsion system and capture high-resolution images of the Earth.

August 4, 2026Hype Rating: 60/100
European Space AgencyKongsberg NanoAvionicsKreios Space
MissionsSpace Exploration

Kreios Space, a Spanish startup, has announced plans to conduct the first demonstration of its air-breathing electric propulsion (ABEP) system in very low Earth orbit (VLEO). This milestone mission, scheduled for 2027, will utilize a Kongsberg NanoAvionics microsatellite bus to test the ABEP system's performance and capture sub-meter resolution images of the Earth.

The ABEP system is designed to collect atmospheric gases, such as oxygen and nitrogen, to serve as propellant for electric thrusters. This approach has the potential to significantly reduce the mass of propulsion systems, increasing the efficiency and duration of space missions. The VLEO altitude, approximately 200 kilometers above the Earth's surface, offers several advantages, including high-resolution Earth observation and low-latency communications.

The technical details of the mission are notable, as the ABEP system will be integrated into the NanoAvionics MP42 microsatellite bus. This bus is designed to provide a flexible and modular platform for a variety of payloads and missions. The demonstration will focus on validating the performance of the ABEP thruster and assessing its ability to operate efficiently in VLEO.

The context and background of this mission are also significant, as Kreios Space has recently raised 8 million euros in a Seed round and was selected by NATO to join its Defence Innovation Accelerator. This funding and support will enable the company to further develop its ABEP technology and explore potential applications in various fields, including Earth observation, communications, and space exploration.

The significance of this mission extends beyond the technical demonstration, as it has major implications for the broader aerospace industry. The development of ABEP systems could enable more efficient and sustainable space missions, reducing the cost and environmental impact of accessing space. Additionally, the use of VLEO altitudes could open up new opportunities for Earth observation, communications, and other applications, driving innovation and growth in the industry.

In conclusion, the upcoming demonstration of Kreios Space's ABEP system in VLEO marks an important milestone in the development of this innovative technology. The mission has the potential to validate the performance of the propulsion system, capture high-resolution images of the Earth, and pave the way for future applications in various fields. As the aerospace industry continues to evolve and expand, the development of efficient and sustainable technologies like ABEP will play a critical role in shaping its future.

Why It Matters

The demonstration of Kreios Space's air-breathing electric propulsion system in very low Earth orbit (VLEO) marks a significant milestone in the development of innovative propulsion technologies. This event matters greatly in the context of spacecraft and propulsion technology advancement, as it has the potential to revolutionize the way satellites operate in low Earth orbit. Traditional propulsion systems rely on carrying onboard propellant, which limits their mission duration and increases their mass. In contrast, air-breathing electric propulsion systems utilize the atmosphere as a source of propellant, allowing for longer mission durations and reduced spacecraft mass. This technology could enable more efficient and sustainable satellite operations, paving the way for a new generation of satellites that can stay in orbit for extended periods while maintaining their position and performing their intended functions.

The successful demonstration of this technology will have a ripple effect on the economic and commercial space industry. With air-breathing electric propulsion, satellite operators can reduce their fuel costs and increase the lifespan of their assets, leading to significant cost savings. This could also enable new business models, such as satellite constellations that can maintain their position and provide continuous service without the need for frequent replacements or reboosts. Furthermore, the reduced mass and increased efficiency of these satellites could lead to lower launch costs, making access to space more affordable and democratizing the industry. As the space industry continues to grow and evolve, innovative propulsion technologies like air-breathing electric propulsion will play a crucial role in shaping its future.

In terms of long-term human exploration, the development of air-breathing electric propulsion systems could have significant implications for deep space missions. While the technology is currently being demonstrated in VLEO, it has the potential to be scaled up and adapted for use in higher orbits or even interplanetary missions. For example, an air-breathing electric propulsion system could be used to propel a spacecraft through the thin atmosphere of Mars, allowing it to slow down and enter orbit without the need for large amounts of propellant. This could enable more efficient and sustainable deep space missions, reducing the mass and cost of propulsion systems and increasing the payload capacity of spacecraft.

The mission architecture and infrastructure implications of this development should also not be overlooked. As air-breathing electric propulsion systems become more prevalent, satellite operators and launch providers will need to adapt their mission planning and infrastructure to accommodate these new technologies. This could involve changes to launch vehicle design, satellite bus architecture, and ground station operations. Additionally, the increased efficiency and reduced mass of satellites enabled by air-breathing electric propulsion could lead to new opportunities for ridesharing and satellite constellations, further disrupting the traditional launch and satellite industries.

In conclusion, the demonstration of Kreios Space's air-breathing electric propulsion system in VLEO is a significant event that will have far-reaching implications for the space industry. Its potential to revolutionize satellite operations, enable new business models, and reduce costs will make it an important technology to watch in the coming years. As the industry continues to evolve and innovate, developments like this will play a crucial role in shaping its future and enabling humanity to explore and utilize space more efficiently and sustainably.

Long-term Outlook

Long-term Outlook

The demonstration of Kreios Space's air-breathing electric propulsion system in very low Earth orbit (VLEO) marks a crucial step towards the potential adoption of this technology in future space missions. Looking ahead, the next milestones for Kreios Space will likely include the successful completion of the 2027 demonstration mission, followed by the analysis and validation of the collected data. Assuming the mission is successful, the company may then focus on refining the propulsion system's design, improving its efficiency, and scaling up its production. However, it is essential to acknowledge the uncertainties and potential challenges that lie ahead, including the technical risks associated with operating in VLEO and the dependencies on the performance of the microsatellite bus provided by Kongsberg NanoAvionics.

Historically, the development of new propulsion systems has been a complex and time-consuming process, often plagued by delays and setbacks. For instance, similar programs, such as the European Space Agency's (ESA) Ion Engine development, have faced significant technical hurdles and schedule slips. While Kreios Space's air-breathing electric propulsion system shows promise, it is crucial to be cautious in our expectations and recognize that unforeseen challenges may arise during the demonstration mission or subsequent development phases. Furthermore, the company will need to navigate the regulatory landscape and ensure compliance with relevant space agency guidelines and industry standards.

From a technical perspective, the air-breathing electric propulsion system's performance in VLEO will be heavily influenced by factors such as atmospheric density, temperature, and radiation levels. The system's ability to efficiently collect and process air molecules, as well as its power consumption and thermal management, will be critical to its overall success. Kreios Space will need to carefully monitor and address these technical risks to ensure the long-term viability of their technology. Additionally, the company may face dependencies on the availability of funding, partnerships with key stakeholders, and access to specialized facilities and expertise.

In the context of aerospace engineering constraints, it is realistic to expect that the development and deployment of air-breathing electric propulsion systems will be a gradual process, with incremental improvements and refinements over time. While Kreios Space's demonstration mission is an important step forward, it is unlikely to revolutionize the space industry overnight. Instead, the company's technology will likely evolve through a series of iterative developments, with each milestone building upon the previous one. By acknowledging the uncertainties and potential challenges ahead, we can foster a more informed and nuanced understanding of the long-term prospects

Space Hype Rating: 60/100

Notable progress with meaningful contributions to space exploration

Related Articles

Airbus and Thales to Develop Replacement Satellite for Spain's Military Communications

Airbus Defence and Space and Thales Alenia Space have been awarded a contract to build a replacement military communications satellite for Spain, scheduled for launch in the third quarter of 2030. The new satellite will provide critical communications services for the Spanish military and its allies.

about 13 hours ago50/100

NASA"s MESSENGER Spacecraft Embarks on Historic Journey to Mercury

On August 3, 2004, NASA launched the MESSENGER spacecraft, which became the first spacecraft to orbit Mercury, providing unprecedented insights into the planet"s composition and structure. The mission marked a significant milestone in space exploration, shedding light on the mysteries of the innermost planet in our solar system.

about 14 hours ago80/100

Recent Advances in Space Exploration: Starship's Successful Reentry and Roman Space Telescope's Upcoming Launch

SpaceX's Starship has demonstrated its ability to survive reentry and float in the ocean, while NASA's Roman Space Telescope is set to launch on August 30. These developments mark significant milestones in the pursuit of space exploration and research.

3 days ago60/100