A mission to stop a $500 million NASA space observatory from assembly a fiery death simply handed a notable prelaunch testing milestone. The Neil Gehrels Swift Observatory, a spacecraft released in 2004, is prone to falling again throughout the environment and burning up with out intervention.

On Friday, NASA introduced that the Hyperlink spacecraft, manufactured through Katalyst Space Applied sciences to interfere prior to Swift’s destiny is sealed, finished its slate of environmental testing on the company’s Goddard Space Flight Heart in Greenbelt, Maryland. Testing within the Space Setting Simulator concluded on Monday, Might 4, and the spacecraft returned to Katalyst’s amenities in Broomfield, Colorado, for further, prelaunch testing.

“The Swift spice up try is a quick, high-risk, high-reward mission,” stated John Van Eepoel, Swift’s mission director at NASA Goddard, in a NASA press free up. “Swift will most probably re-enter the ambience someday later this 12 months if we don’t try to elevate it to a better altitude. Katalyst has gotten so far in simply 8 months, and we’re satisfied they had been ready to make use of NASA’s amenities to check Hyperlink and draw on our experience to lend a hand take on questions that popped up alongside the best way.”

Swift doesn’t have it’s personal onboard propulsion device and would naturally decay in orbit over the years. On the other hand, greater sun task in recent times speeded up the decreasing timeline for the observatory, losing it from about 600 km to 400 km, with expected reentry in past due 2026 with out intervention.

That’s why in September 2025, NASA awarded Katalyst a $30 million contract to broaden a spacecraft able to docking with Swift and boosting its orbit.

“Given how briefly Swift’s orbit is decaying, we’re in a race towards the clock, however through leveraging business applied sciences which can be already in building, we’re assembly this problem head-on,” stated Shawn Domagal-Goldman, appearing director, Astrophysics Department, NASA Headquarters, on the time.

“This can be a forward-leaning, risk-tolerant means for NASA. However making an attempt an orbit spice up is each extra inexpensive than changing Swift’s functions with a brand new mission, and recommended to the country — increasing using satellite tv for pc servicing to a brand new and broader elegance of spacecraft.”

“We’re in an ordinary state of affairs the place the time table dictates how a lot menace we’re prepared to just accept, relatively than the wrong way round,” stated Kieran Wilson, Hyperlink’s primary investigator at Katalyst. “The clock is ticking on Swift’s descent, so we need to discover a steadiness between testing and drawback fixing that provides the mission the most efficient probability of luck.”

Swift is in an orbit susceptible 20.6 levels from the equator, which is why Katalyst decided on Northrop Grumman’s Pegasus XL air-launched rocket in November to fly the mission.

“The flexibility introduced through Pegasus’ distinctive air-launch capacity supplies consumers with a space release resolution that may be abruptly deployed anyplace on Earth to achieve any orbit,” stated Kurt Eberly, Director of Space Release for Northrop Grumman. “The stringent mission necessities important to save lots of the Swift observatory, together with the original low-inclination orbit and the tight mission timeline, all pointed to Pegasus being the easiest selection.”

The mission is ready to release in June. Hyperlink will first combine with the Pegasus rocket at NASA’s Wallops Flight Facility in Virginia early within the month after which the corporate’s L-1011 airplane will deploy the spacecraft from the Marshall Islands later within the month.