NASA hires Katalyst Space to rescue Swift telescope from orbital decay

NASA hires Katalyst Space to rescue Swift telescope from orbital decay

NASA is launching a high-stakes rescue mission to save the Neil Gehrels Swift Observatory from a fiery reentry into Earth's atmosphere. The agency has contracted Arizona-based startup Katalyst Space Technologies to boost the aging telescope to a more stable orbit after intense solar activity since fall 2024 caused the spacecraft to sink faster than anticipated.

The 1.6-ton gamma ray observatory, which has scanned the cosmos since 2004, has seen its altitude drop to roughly 230 miles. To delay the inevitable, NASA turned off all scientific instruments in February and shifted the telescope into a low-drag mode to slow its descent. However, these measures have suspended the telescope's work, resulting in dozens of missed opportunities to observe black holes, exploding stars, and comets.

The salvage operation, valued at $30 million, is a race against a ticking clock. According to Katalyst, there is a 50% chance of an uncontrolled reentry by mid-2026, rising to 90% by the end of that year. NASA estimates that Swift will reach a "point of no return" at 185 miles (300 kilometers) around October.

The Rescue Plan

The mission centers on a robotic spacecraft named LINK, short for Lightweight In-space Navigation and Kinematics. Developed by Katalyst in just 250 days, the robot is roughly the size of a small kitchen refrigerator with a 40-foot solar wingspan. Because Swift was never designed for servicing or retrieval, LINK features a custom capture mechanism consisting of three arms with a reach of just over 3 feet. Each arm is equipped with two finger-like pinching grippers.

The launch is scheduled for June 30, 2026, at 6:23 a.m. EDT, though some sources indicate it could occur as early as June 27. LINK will launch atop a Northrop Grumman Pegasus XL rocket from the Kwajalein Atoll in the Marshall Islands. The mission utilizes an air-launch strategy where a Stargazer L-1011 aircraft carries the rocket to approximately 40,000 feet before release and ignition.

Once in orbit, LINK will act like a "self-driving car," using rapid-fire images and internal models to adjust its path via small thrusters, as radio signals are too slow for the 17,000 mph speeds of the two craft. The process involves several phases:

• Rendezvous: LINK will take about a month to catch and intercept Swift.
• Capture: The robot will unfold its arms and take control of the telescope's orientation.
• The Boost: Over the following couple of months, LINK will tow the observatory from its current altitude to a desired 373 miles (600 kilometers).

If the mission succeeds, Swift could return to science operations as early as September or the fall of this year.

Strategic and Scientific Value

Swift serves as NASA's "first responder," pivoting quickly to capture late-breaking events like gamma-ray bursts—flashes of high-energy light that can outshine galaxies. Since its launch, it has detected more than 2,000 such bursts.

"If we let Swift reenter, we would lose that telescope. We would lose a lot of capability,"

Nicky Fox, NASA science mission chief

Brad Cenko, the mission's principal investigator, noted that replacing the telescope today would likely cost between $250 million and $300 million due to inflation. Beyond the cost, the mission is a strategic move to develop the U.S. Commercial space sector and maintain dominance over other countries. Currently, only China has successfully boosted a satellite into a graveyard orbit, an achievement from four years ago.

A New Playbook for Space

The success of the LINK mission could signal a shift away from a "throwaway culture" for spacecraft.

"This is the first American space robot to go up and do anything like this,"

Ghonhee Lee, Katalyst Space CEO, via AP

Katalyst envisions a future where hundreds of robots in orbit refuel, fix, and reposition satellites. The company is already developing a next-generation robot capable of tackling satellites as high as 22,300 miles. This future technology could be applied to the 36-year-old Hubble Space Telescope, which is also losing altitude due to solar flares, potentially receiving a life-extending boost in 2028.

Despite the optimism, company officials stress there is no guarantee the mission will work, citing the degraded state of Swift's 20-year-old insulation and the lack of standard grappling fixtures on the telescope's body.