NASA is planning an unprecedented mission to rescue the Neil Gehrels Swift Observatory, a vital tool for studying gamma-ray bursts, from a predicted uncontrolled reentry into Earth’s atmosphere. [[3]] Facing a rapidly decaying orbit, the agency has contracted with commercial aerospace company Katalyst Space Technologies to attempt a daring orbital capture and repositioning of the nearly two-decade-old observatory. [[1]] The mission, slated for 2026, underscores the growing challenges-and innovative solutions-needed to manage an increasing amount of debris and infrastructure in low Earth orbit.
NASA is preparing a special mission, slated for launch next year, to mitigate the risk of a space observatory falling back to Earth.
The agency has contracted with a private company to launch the Pegasus XL rocket from an aircraft in an effort to save the Neil Gehrels Swift Observatory. The surprising mission, planned for 2026, aims to prevent the observatory from impacting our planet.
Alarm bells were raised after it was confirmed that the observatory is in a slow, but steady, descent towards Earth. Without intervention, NASA anticipates an impact before the end of next year, though the specific location remains undisclosed.
The Swift Observatory has been instrumental in studying gamma-ray bursts from low Earth orbit for nearly two decades. Preventing its loss of functionality, alongside the potential for casualties, prompted NASA to devise a unique intervention plan.
NASA’s Plan to Save Earth from the Observatory
NASA has engaged U.S. aerospace startup Katalyst Space Technologies to execute the mission, which involves launching a rocket from an aircraft and deploying a robotic spacecraft to attempt to redirect the observatory. This approach highlights the growing trend of leveraging commercial space solutions for complex orbital challenges.
Katalyst will utilize a converted passenger aircraft, the L-1011 Stargazer, owned by Northrop Grumman, to carry the Pegasus XL rocket to cruising altitude before releasing it mid-flight.
If successful, the robot will be able to grapple with the telescope and return it to a more stable orbit. “Given how quickly Swift’s orbit is decaying, we are in a race against time, but by leveraging commercial technologies already in development, we will tackle this challenge head-on,” stated Shawn Domagal-Goldman, NASA’s interim director of the Astrophysics Division.
According to Ghonhee Lee, CEO of Katalyst Space Technologies, “Pegasus XL is the only launch vehicle that can meet the orbit, schedule, and cost requirements to achieve something unprecedented with emerging technology.”
Northrop Grumman already had the necessary hardware ready for the L-1011 Stargazer. Kurt Eberly, the company’s director of space launch, explained to Space.com, “We need to complete the final integration and testing, and develop the trajectory and guidance for direction and the right ascension of the node software, but that’s it.”
Finally, Kieran Wilson, vice president of technology at Katalyst Space Technologies, affirmed, “We are taking this launch date as a firm commitment. We will continuously assess Swift’s orbital decay situation and determine what adaptations we might need, whether it’s launching at a different altitude or targeting slightly different insertions.”