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Posted on 07/08/2026 12:10:01 PM PDT by MtnClimber
Explanation: Sometimes we can all use a little help from a friend. NASA's Neil Gehrels Swift Observatory needs a boost to stay in orbit after almost 22 years of service. This video shows an artist's visualization of the Swift Boost Mission: The Katalyst's LINK spacecraft was launched aboard a Northrop Grumman Pegasus XL rocket on July 3 and it is now en route to rendezvous with Swift and boost it to a higher orbit over the course of the next several months. This type of maneuver has never been attempted before. If successful, it will be the technology demonstration of a new key capability to extended the lifetime of spacecraft in low Earth orbit, whose orbits decay over time. Swift has an array of instruments that observe the most energetic explosions in the Universe in gamma-rays, X-rays and ultraviolet, and the unique ability to repoint in their direction within tens of seconds. Astronomers around the world, and indeed all fans of cosmic explosions, are anxiously hoping for a successful mission!
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Today's image is a short video at the source link.
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Today's image is a short video at the source link.
BRAVE AI:
The Swift Boost mission, also known as the Swift Rescue Mission, successfully launched on July 3, 2026, to save NASA’s Neil Gehrels Swift Observatory from orbital decay and atmospheric reentry.
Mission Details
Operator: Katalyst Space Technologies built the LINK spacecraft under a $30 million NASA contract awarded in September 2025.
Launch Vehicle: The mission utilized a Northrop Grumman Pegasus XL rocket, air-dropped from a modified L-1011 aircraft over the Marshall Islands to reach Swift’s low inclination orbit.
Objective: LINK will rendezvous with the 2004-era telescope, which is currently at a dangerously low altitude of 224 miles (360 km) due to solar activity.
Methodology: Using three robotic arms and ion thrusters, LINK will attach to Swift’s structural features and gradually boost its orbit back to approximately 373 miles (600 km).
Status and Significance
Current Status: LINK has successfully reached orbit and is undergoing system checkouts; it is expected to reach Swift in about a month.
Historical Context: This is the first attempt to robotically capture and reboost an unprepared, non-cooperative satellite in low Earth orbit.
Outcome: If successful, the mission will extend Swift’s operational life by up to 10 years, preserving its critical capability to detect and characterize gamma-ray bursts.
But, it worked.
One important requirement of the flight the unusual inclination of the mission orbit - “Conventional” launches from established land-side facilities “might” be able to match orbits but it was much better to launch from an air-dropped platform at a specific point over the Pacific Ocean in a specific direction at a very specific time: Couldn't do that from the existing bases in Florida, French Guinea coast, Vandenburg, or Soviet Union-Chinese bases on land. Unmanned obviously, small payload.
No area and orbital direction limits either when up high with a smaller rocket over the middle of nowhere away from any city or state.
So far, it is flying, in space, in a usable orbit. We'll need time to match orbits and see if the hookup and propulsion parts of the mission work.
As long as they don’t Swift Boat it!!!
Matching the orbits is not a small task. You don’t just speed up from behind and catch up. When you speed up it changes the orbit, for example speeding up in a circular orbit will change the orbit to an elliptical orbit. A maneuver known as a “transfer orbit maneuver will have to be performed, likely a Hohmann transfer orbit maneuver. This will likely involve at least two motor burns. The first burn will move from a circular orbit into an elliptical orbit. Then with the right time delay a second burn will slow the spacecraft from the elliptical orbit back into a circular orbit, and hopefully right next to the target satellite.
True. Matching orbits is “complex”. Energy heavy and mass heavy (thrusters and fuel and controllers) if you’re going in a short time. Very slow otherwise.
One of the first Gemini astronaut test pilots “invented” the math and methods for his PhD. Then went into orbit and proved his method worked
What MtnClimber said re: orbits. Uh, may be a link below to a recent topic sidebar about this. The US is the only emerging market on Earth. SWIFT rescue, from the FRchives:
I hope it works. I believe it will.
Can they do this with Hubble? I hate to think of that burning up.
If this works then Hubble is also a possibility............
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