Next-Gen Spacecraft by K2 Space Poised to Revolutionize Orbital Data Centers
In a groundbreaking initiative that could reshape the future of space technology, K2 Space, an ambitious satellite manufacturing company, is set to launch one of the most potent spacecrafts ever constructed. The launch is expected to take place in the coming weeks, marking a significant stride towards establishing data centers in orbit. Learn more about this exciting development Here.
Gravitas: The Power-Packed Spacecraft
K2 Space, a brainchild of former SpaceX engineers and brothers, Karan and Neel Kunjur, has readied its Gravitas satellite for launch aboard a SpaceX Falcon 9 rocket. Expected to take off as early as the month-end, the two-tonne Gravitas boasts a 40-meter wingspan when its solar panels are unfurled.
A Giant Leap in Space Power Capacity
What sets Gravitas apart is its power capacity. The large satellite can generate a whopping 20 kW of electricity, which can be utilized by powerful sensors, transceivers, and computers. In comparison, the larger and pricier ViaSat-3 spacecraft can produce over 25 kW of power, while Elon Musk’s Starlink V3 satellites are expected to generate 20 kW. This is a significant leap considering most spacecraft only produce a few kilowatts of power.
As Karan Kunjur, CEO of K2, puts it, “The future is about a higher power.” With a vision to make this future a reality, K2 has raised $450 million and was valued at $3 billion by its investors in December 2025.
Gravitas: A Step Towards True Space Operations
The forthcoming Gravitas mission will include 12 undisclosed payload modules from several customers, including the Department of Defense. Additionally, it will carry a 20 kW electric thruster, touted by the company as the most powerful ever to be flown in space.
Kunjur has outlined several success measures for the mission. Firstly, can K2 deploy the spacecraft and generate power? Secondly, will it be able to operate its payloads and test its powerful thruster? Lastly, assuming all goes well, can the thruster lift the spacecraft thousands of miles into a higher orbit?
Maximizing Data Collection for Future Missions
Understanding the challenges associated with launching a new spacecraft, Kunjur emphasizes on maximizing data collection to power the design of subsequent satellites. K2 plans to launch 11 satellites over the next two years in a mix of demonstration and commercial missions. By 2028, Kunjur expects K2 to produce satellites that enable its customers to build commercial networks of high-powered space vehicles.
The Role of High-Powered Satellites in the Economy
As satellites continue to hold greater significance in the economy, the role of energy in enabling new business ventures becomes more evident. Kunjur believes that the initial impact will be on communication networks: more power equates to more throughput and a signal less likely to get jammed. As the importance of on-orbit data processing grows, high-powered satellites will be needed to run advanced processors.
Challenges and Future Prospects
However, the cost of launching large satellites or data centers into space remains a significant challenge. K2’s founding idea hinged on the power of SpaceX’s Starship, which could significantly reduce the cost of reaching orbit. Yet, the timeline for Starship’s operational availability and low-cost service provision remains uncertain.
Despite these challenges, the growing demand for more power in orbit offers K2 a different perspective for its unique spacecraft. Massive communication networks like Starlink and Amazon LEO, hyperscalers considering the potential of orbital computing, and the Pentagon’s plans for a $185 billion missile defense system with thousands of new satellites all point to the need for satellites with greater power capacity.
Kunjur asserts that Gravitas’ $15 million price tag makes it more affordable than high-powered satellites built by traditional contractors, while offering more power than similarly priced smaller spacecraft. He further states that once larger rockets start flying regularly, his team will be ready with even bigger options.
“The idea is: Let’s build all the components we’ll need to be a first mover when Starship and New Glenn are available to everyone,” Kunjur told TechCrunch. K2 has designs ready for a 100 kW satellite, all recorded in its factory, spanning the entire building.
This article has been updated to reflect a more recent measurement of the Starlink satellite’s power output.
