The Space Force's ambitious plan to deorbit old satellites is gaining momentum, with three companies now signed on to the Deorbit-as-a-Service project: Firefly Aerospace, Katalyst Space, and D-Orbit. This initiative aims to address the growing concern over satellite debris in low-Earth orbit, which could lead to dangerous collisions and long-term environmental damage. With satellite constellations expanding rapidly, the need for responsible deorbiting solutions has never been more critical.
A Historical Perspective
Historically, satellite operators have relied on 'graveyard orbits' to dispose of their spacecraft. These orbits, located at higher altitudes, ensure that satellites eventually fall back to Earth due to orbital decay, minimizing the risk of collisions. However, this approach has its limitations. Satellites in these orbits can remain for decades or even centuries, and with the increasing number of satellites, the risk of debris accumulation is a significant concern.
The Deorbit-as-a-Service Solution
The Deorbit-as-a-Service concept offers a more proactive approach. Specialized spacecraft, known as deorbiters, are designed to grapple or dock with decommissioned satellites, pulling them into a lower orbit where they will rapidly descend and burn up in the atmosphere. This method ensures that satellites are disposed of safely and efficiently, reducing the long-term presence of debris in space.
The Space Development Agency's Role
The Space Development Agency (SDA) has been at the forefront of this initiative, recognizing the need to manage its growing constellation of satellites. In 2024, SDA awarded feasibility studies to six companies, and in January 2026, it signed a $52.5 million contract with Starfish Space for a proof-of-concept mission. This mission, scheduled for 2027, will demonstrate the feasibility of deorbiting satellites.
Expanding the Initiative
The recent contracts with Firefly Aerospace, Katalyst Space, and D-Orbit mark a significant expansion of the deorbiting effort. These companies bring diverse capabilities to the table, with Firefly's Elytra spacecraft designed for high-thrust maneuvers and ample fuel reserves, making it well-suited for deorbiting missions. Katalyst, currently working on a satellite servicing mission for NASA, offers valuable experience in spacecraft management.
D-Orbit, in partnership with TransAstra and Falcon Exodynamics, aims to demonstrate LEO logistics as a managed service. This partnership will focus on rendezvous, docking, and maneuverability, paving the way for a range of logistics support services, including refueling, repairing, inspecting, and re-positioning satellites.
Personal Perspective
What makes this initiative particularly fascinating is the shift in perspective. Traditionally, satellite disposal has been a passive process, relying on the natural decay of orbits. However, the Deorbit-as-a-Service model transforms this into an active, managed service. This approach not only ensures the safe disposal of satellites but also provides the government with flexible, on-demand access to orbital logistics, potentially saving costs and streamlining operations.
As an expert commentator, I find this development intriguing. It raises a deeper question about the future of space management and the role of private companies in space debris mitigation. The success of these deorbiting missions could set a precedent for more sustainable space practices, encouraging a proactive approach to satellite disposal and reducing the long-term impact of space debris on our planet.