leading specialist outlet; provides full technical context on why Swift needs a boost (gyroscope degradation and orbital decay are both accelerating), the novel autonomous rendezvous concept behind the Boost Mission, and what alternatives remain if Pegasus XL cannot be re-manifested
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Space.com · United States · NASA scrubs autonomous rescue of Swift Observatory; Pegasus XL mission aborted before launch
Explains that Swift's orbital decay has reached a point where without intervention the telescope will re-enter Earth's atmosphere within 12-18 months. The Boost Mission was NASA's first attempt to autonomously raise a functioning observatory without a crew, using a modified Pegasus XL drop-launch vehicle. Space.com sources say the range issue relates to the L-1011 carrier aircraft's flight corridor over the Pacific, not the rocket itself.
“Without a successful boost, Swift faces uncontrolled re-entry within 18 months; NASA's mission team is assessing whether to recycle the Pegasus attempt or consider deorbit options.”