The Neil Gehrels Swift Observatory, known simply as Swift, has been orbiting Earth since 2004, studying some of the universe’s most powerful explosions: gamma-ray bursts. But after more than two decades in space, Swift’s orbit is rapidly decaying, meaning the spacecraft is slowly falling back toward Earth.
A potential lifeline is now in play. To help extend the mission, NASA launched a second spacecraft on July 3, 2026: LINK, a commercial robotic servicing vehicle developed by Katalyst Space.
In an update published on August 11, NASA reported that a new flight software package had been successfully uploaded to LINK. According to the agency, “The software update’s new attitude control algorithms are designed to maintain LINK’s stability using the spacecraft’s remaining actuators.”
Time, however, is running short. Swift continues to lose altitude due to atmospheric drag. If the observatory falls below about 300 kilometers (186 miles), recovery efforts would become virtually impossible. NASA expects it could reach that critical threshold as early as October.
See the full report at: Swift spacecraft, and a mission to save it, caught on video
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