NASA is considering sending a rescue rocket to extend the lifespan of its Neil Gehrels Swift Observatory, which is set to re-enter the Earth’s atmosphere by late 2026. The spacecraft has been experiencing faster-than-expected orbital decay due to increased atmospheric drag caused by solar activity.
To address this issue, NASA has selected two American companies – Cambrian Works and Katalyst Space Technologies – to develop concept design studies for a possible orbit boost. This would allow the spacecraft to maintain its current orbit and continue its gamma-ray burst studying mission.
However, the agency acknowledges that it doesn’t have firm plans for a reboost and could still allow the spacecraft to re-enter the Earth’s atmosphere, following the standard procedure for satellites nearing the end of their lifetimes.
The Swift Observatory was launched in 2004 on a planned two-year mission but has been showing signs of age. Engineers have implemented a plan to operate using just two gyros since one of the three remaining gyroscopes began to degrade last year.
While there are existing options for spacecraft servicing, such as Northrop Grumman’s Mission Extension Vehicle (MEV), which was used to extend the life of an Intelsat Satellite, NASA is committed to exploring innovative and cost-effective solutions.
The success of a reboost mission could potentially pave the way for similar projects, including a possible extension of the Hubble Space Telescope’s lifespan. However, it remains to be seen whether this will become a reality in the near future.
Source: https://www.theregister.com/2025/08/13/nasa_mulls_sending_a_rescue