A rare and aging NASA spacecraft is slipping out of orbit, triggering an urgent and unconventional rescue effort led by a private team, an operation first detailed by Ars Technica that could redefine how satellites are saved in space.

A Desperate Bid To Catch A Dying Observatory

The satellite at the center of this mission is Swift, a NASA space observatory designed to detect gamma-ray bursts across the universe. After years of operation, the spacecraft is now losing altitude due to atmospheric drag, placing it on a slow but inevitable path toward reentry. Rather than letting it burn up, engineers are attempting something rarely done: intercepting and docking with the satellite in orbit to extend its life.

According to reporting from Ars Technica, this effort is being led by Katalyst, a private company developing a compact spacecraft capable of physically attaching to Swift. The plan involves launching a servicing vehicle that will rendezvous with the tumbling observatory and stabilize it, an operation filled with technical uncertainty.