NASA's Swift telescope to re-enter between November 3 and 4

NASA’s Swift space telescope, now in free fall, will re-enter Earth’s atmosphere between November 3 and 4, 2026. It is a 1.5-tonne structure that, according to the US space agency, will burn up for the most part while passing through the atmospheric layers, although it cannot be ruled out that some fragments may reach the ground.

NASA has specified that any surviving fragments could only fall within a band around the equator, with one hypothesis placing them almost certainly in the sea or in uninhabited areas. According to the agency, there is no danger to Italian territory, which lies outside the re-entry band indicated in the most recent projections.

Regarding timing, NASA has estimated the moment of re-entry at 17:18 Italian time on November 3, with a margin of uncertainty of 12 hours. This is a span that reflects the inherently imprecise nature of uncontrolled re-entry forecasts: the final trajectory of a body in free fall depends on atmospheric variables that only stabilize in the final hours before impact.

It should be noted that the news currently comes from a single source — the ANSA agency, which cites the Nasa Goddard Space Flight Center as the source of the data — and that no further independent confirmations of the trajectory details are currently available.

Swift’s re-entry falls into the now-recurring category of large scientific satellites that have reached the end of their operational mission and are destined for an uncontrolled re-entry. The equatorial band indicated by NASA as the possible fall area for the remaining fragments remains, for now, the most relevant technical data point for assessing the absence of risk on national territory.