NASA abandons attempt to rescue aging telescope

Meanwhile, the Economic Times daily newspaper is available online now.

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• Swift's altitude dropped to approximately 216 miles (347 kilometers), placing it on a terminal downward path.
• NASA Swift telescopeKatalyst Space Technologiesspace rescue missionNeil Gehrels Swift Observatorysatellite servicingorbital decayspace explorationlow Earth orbit.
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Meanwhile, the Economic Times daily newspaper is available online now. NASA abandons attempt to rescue aging space telescope from atmospheric re-entry. NASA abandons attempt to rescue aging space telescope from atmospheric re-entry. ET OnlineLast Updated: Aug 21, 2026, 12: 25: 00 AM IST.

NASA and Katalyst Space Technologies have concluded their mission to save the Swift Observatory. Persistent attitude-control failures on the Link servicing vehicle prevented a safe rendezvous. The observatory's trajectory was impacted by heightened solar activity and atmospheric drag. Swift is now on track for an uncontrolled atmospheric re-entry afterwards this year. This outcome highlights risks in commercial in-orbit servicing operations.

In practice, the ambitious race to extend the life of one of NASA's most productive space telescopes has officially concluded. NASA and space startup Katalyst Space Technologies have called off an experimental in-orbit servicing mission designed to save the Neil Gehrels Swift Observatory. Introduced in 2004 to study gamma-ray bursts, black holes, and cosmic explosions, the veteran telescope is rapidly losing altitude due to atmospheric drag.

For context, the decision to abandon docking maneuvers follows persistent attitude-control failures on board Katalyst's Link servicing vehicle. The technical problems rendered a safe rendezvous impossible, leaving the aging observatory on track for atmospheric re-entry. How solar storms dragged swift down.

Swift's trajectory was severely impacted by heightened solar activity from the solar maximum. Rose solar energy expands Earth's upper atmosphere, significantly boosting orbital drag on spacecraft operating in low Earth orbit. Live Events.

Swift's altitude dropped to approximately 216 miles (347 kilometers), placing it on a terminal downward path. To prevent the loss of the telescope, NASA awarded Katalyst Space Technologies a contract to deploy the Link spacecraft under an accelerated timeline. Introduced aboard a Pegasus XL rocket issued from a carrier aircraft, Link was designed to dock with Swift and employ its propulsion systems to boost the observatory into a higher, stable orbit. System anomalies onboard.

Notably, the mission ran into critical problems when Link lost attitude control in orbit. An anomaly investigation made public compounding component failures throughout the craft. A hard power bus reset led to temperature spikes in control electronics, disabling two of Link's three reaction wheels. The spacecraft began to tumble, causing communications interruptions and degradation in its cold-gas thruster system. Ground controllers managed to reduce the spin rate using gimballed electric thrusters, but precise pointing control could not be restored. Faced with the risk of an accidental collision that could shatter insulation and create dangerous orbital debris, mission managers canceled the docking attempt. What lies ahead.

Although the rescue mission failed, Katalyst intends to maintain proximity operations near Swift to collect operational data on rendezvous maneuvers. These technical insights will support refine autonomous rendezvous techniques for future satellite-servicing platforms. Meanwhile, Swift's operators have oriented the spacecraft into a low-drag configuration to slow its descent as much as feasible. With no secondary rescue option available, the telescope is projected to produce an uncontrolled atmospheric re-entry and burn up afterwards this year. Meanwhile, the outcome highlights the high risks of commercial in-orbit servicing and presents a key case study for future space operations, including proposed servicing concepts for the Hubble Space Telescope. Add Now!

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