NASA plans daring robotic rescue mission to prevent an aging space telescope from falling back to Earth, and the legendary Hubble could be next

Context mode is active. Hover over any highlighted term to see its definition. Click a nested term to go deeper.
NASA is making a high-stakes bet on a commercial startup, Katalyst Space Technologies, to prevent one of its key scientific instruments, the Swift Observatory, from plummeting back to Earth. A robotic spacecraft called Link, built by Katalyst, is set to launch as early as this week on a daring mission to boost the aging telescope into a safer, higher orbit, marking a critical first for American robotic satellite rescue. This unprecedented effort aims to extend Swift's vital work in studying cosmic explosions, while also setting the stage for similar interventions, potentially even for the iconic Hubble Space Telescope. Swift, which has been scanning the cosmos since 2004, is losing altitude at an alarming rate due to unusually intense solar activity, which increases atmospheric drag and pulls satellites closer to Earth. This rescue mission, costing $30 million, is crucial because Swift was never designed for in-space repairs or capture, making the robotic rendezvous and boost a significant technical challenge. The urgency highlights a growing concern in space: how to maintain valuable, aging assets in an increasingly crowded and hostile orbital environment, especially after NASA own large-scale on-orbit servicing project, OSAM-1, was cancelled in 2024 due to cost and technical hurdles. If successful, the Link spacecraft will take about a month to reach Swift, grapple it with three robotic arms, and then spend another two months pushing it from its current 360-kilometer orbit to a more stable 600 kilometers. Katalyst's CEO Ghonhee Lee sees this as a stepping stone for a new era of space repair, with plans to develop a next-generation robot capable of tackling even larger satellites like the Hubble Space Telescope by 2028. While a previous NASA study with SpaceX in 2022 on reboosting Hubble didn't move forward due to NASA caution on risk, this commercial success could redefine the future of satellite life extension and active space debris mitigation. The outcome of this mission will be closely watched by the space industry as it could open a new 'playbook' for safeguarding our space infrastructure.