3,200-pound NASA observatory careening back to Earth after failed rescue mission

A 3,200-pound NASA observatory, the Neil Gehrels Swift Observatory, is currently making an uncontrolled descent back to Earth after a failed attempt to save its mission. Launched in November 2004, the observatory, which lacked its own propulsion system, had been operating for far longer than its intended two-year lifespan, primarily studying gamma-ray bursts and other powerful cosmic events. Increased solar activity in recent years intensified atmospheric drag, causing Swift's orbit to decay more rapidly and ultimately ending its scientific operations around October 20, 2026.

NASA initiated a rescue effort in July 2026, contracting Katalyst Space to deploy a robotic spacecraft named Link. The goal was for Link to rendezvous with Swift and boost it into a higher, more stable orbit, potentially extending its operational life by a decade. However, the rescue mission encountered problems, with Link spinning uncontrollably and failing to reach the observatory before re-entering Earth's atmosphere itself in September 2026.

The Swift Observatory is now predicted to re-enter Earth's atmosphere around November 4, 2026. While most of the spacecraft is expected to burn up during re-entry, some denser components, such as parts made of tungsten and mirrors, may survive and reach the planet's surface. NASA has stated that the risk of harm to anyone on Earth is low, estimated at approximately 1 in 2,100, with any surviving debris most likely to fall into the ocean. The potential impact zone for any surviving fragments is limited to between 20.6 degrees north and south latitudes.