Private Mission to Rescue NASA's Aging Telescope Runs Into Its Own Trouble
Two of LINK’s three reaction wheels have failed, and flight controllers are using thrusters to stop the spin before it can reach Swift.
- On Tuesday, Katalyst Space Technologies reported that its LINK spacecraft is spinning uncontrollably in orbit, disrupting communication and threatening the rescue mission for NASA's Neil Gehrels Swift Observatory.
- Launched in 2004, the 21-year-old Swift is descending faster than expected due to atmospheric drag caused by recent solar activity, necessitating the urgent orbit-raising mission.
- Preliminary investigations reveal two of LINK's three reaction wheels are non-operational, while the spacecraft also faces functionality loss within its cold gas thruster system.
- Flight controllers are firing electric propulsion thrusters to halt the rotation. "Mission remains active," Katalyst said, adding that "Link has a viable path to rendezvous with Swift."
- Without intervention, the telescope will crash to Earth this fall, jeopardizing observations of gamma ray bursts and exploded stars. NASA paid $30 million for the rescue effort.
29 Articles
29 Articles
Swift reboost mission encounters attitude control problems
A spacecraft launched nearly a month ago in a high-risk bid to boost the orbit of a NASA astrophysics satellite is suffering attitude control problems that could jeopardize its mission. The post Swift reboost mission encounters attitude control problems appeared first on SpaceNews.
Reaction wheel failures leave Swift rescue mission spinning in orbit
Preliminary investigation shows that two of Link's three reaction wheels currently are not operable."
Private mission to rescue NASA's aging telescope runs into its own trouble
The spacecraft rushing to the rescue of NASA's sinking Swift Observatory has run into trouble. Katalyst Space Technologies said Tuesday that its Link satellite is experiencing thruster problems and has gone into an uncontrollable spin that is disrupting communication.
NASA Swift orbit-boost mission takes hit as LINK spacecraft spins
Katalyst Space’s LINK spacecraft has suffered a new attitude-control failure that could complicate its mission to capture and raise NASA’s Neil Gehrels Swift Observatory into a higher orbit. The robotic servicing spacecraft began spinning over the weekend after losing control of its orientation. A preliminary investigation found that two of LINK’s three reaction wheels are no longer operational, while the spacecraft has also experienced some los…
The robot NASA hired to lift a orbital telescope is tumbling out of control
According to NASA, two of the three reaction wheels that control the spacecraft's alignment have failed, and there are problems with one of the spacecraft's thruster systems.
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