nasa trek software

NASA Software Catalog Offers Free Programs for Earth Science, More

Each year, NASA scientists, engineers, and developers create software packages to manage space missions, test spacecraft, and analyze the petabytes of data produced by agency research satellites. As the agency innovates for the benefit of humanity, many of these programs are now downloadable and free of charge through NASA’s Software Catalog.

The 2023-2024  Software Catalog  contains more than 1,000 programs, including dozens of new packages added this year.

Among the 15 different categories of NASA software available through the catalog is environmental science. Whether it means helping farmers navigate crop-destroying  droughts , tracking deadly storms such as  hurricanes  and tornadoes, or mapping  floods, fires, and more , NASA’s fleet of Earth-observation satellites allows an “eye-in-the-sky” advantage to spot events, features, and long-term trends on our ever-changing planet.

"By making our innovations available to the public, we fulfill our goal of helping NASA's research and technology development find new uses beyond space exploration,” said Daniel Lockney, program executive for the agency’s Technology Transfer program at NASA Headquarters in Washington. “We’re proud to make NASA software more accessible through our easy-to-use website, and we are dedicated to continuing this ‘customer-service’ approach to software release.”

Among the environmental science software included in the catalog are:

• A  popular modeling software that  provides values for atmospheric parameters, such as temperature and winds, for any month and location in Earth’s atmosphere
• A  geospatial system  for disaster response using low-cost hardware such as digital cameras or cellphones
• A cloud-based toolkit that allows collaboration among researchers in  Earth science
• An algorithm to accurately forecast  lighting strikes
• A framework that combines maps with satellite-based rainfall estimates to identify potential  landslide hazards
• A  platform  built for interactive browsing of near-real-time satellite imagery to help with time-critical scenarios such as wildfires or flooding

NASA scientists and software experts, who use satellite data and more to better understand Earth, will be available to answer questions about free agency resources at 12 p.m. EDT, Wednesday, Aug. 16, during a Reddit “Ask me Anything.” Join or follow the discussion online using the /r/AskScience subreddit.

To complement the Software Catalog, NASA’s Technology Transfer program has also built a  Remote Sensing Toolkit . The web-based set of tools helps users find, analyze, and use the most relevant satellite data for research, business projects, or conservation efforts.

Beyond environmental science, the catalog also includes software packages for system testing, aeronautics, business systems and project management, data and image processing, crew and life support, and more.

The Software Catalog is a product of NASA’s  Technology Transfer program , managed for the agency by STMD. NASA routinely makes improvements to the Software Catalog website, ensuring the process is fast and easy. The program ensures technologies developed by and for NASA are broadly available to the public, maximizing the benefit to American taxpayers.

Access restrictions apply to some software that may be limited to use by U.S. citizens or for U.S. government purposes only.

Review the catalog online at:

http://software.nasa.gov

https://www.nasa.gov/press-release/nasa-software-catalog-offers-free-programs-for-earth-science-more

NTRS - NASA Technical Reports Server

Available downloads, related records.

Wing-design algorithm based on modified linear theory taking into account effects of attainable leading-edge thrust. Provides analysis as well as design capability and applicable to both subsonic and supersonic flow.

Create Augmented Reality (AR)/Virtual Reality (VR) tools for integrating spacecraft designs and real-time mission telemetry for multiple domains over a mission lifecycle: Pre-phase A concept design Hardware integration & test planning and execution Tele-robotic operations

• General Public Release: For codes with a broad release and no nondisclosure or export control restrictions
• Open Source Release: For collaborative efforts in which programmers improve upon codes originally developed by NASA and share the changes
• U.S. Release Only: For codes available to U.S. persons only
• U.S. and Foreign Release: For codes that are available to U.S. persons and persons outside of the U.S. (who meet certain export control restrictions)
• U.S. Government Purpose Release: For codes that are to be used on behalf of the U.S. government by a federal agency or business/university under a federal contract/grant/agreement.

NASA’s Voyager Team Focuses on Software Patch, Thrusters

NASA’s Voyager 1 spacecraft is depicted in this artist’s concept traveling through interstellar space, or the space between stars, which it entered in 2012. Traveling on a different trajectory, its twin, Voyager 2, entered interstellar space in 2018.

The efforts should help extend the lifetimes of the agency’s interstellar explorers.

Engineers for NASA’s Voyager mission are taking steps to help make sure both spacecraft, launched in 1977, continue to explore interstellar space for years to come.

One effort addresses fuel residue that seems to be accumulating inside narrow tubes in some of the thrusters on the spacecraft. The thrusters are used to keep each spacecraft’s antenna pointed at Earth. This type of buildup has been observed in a handful of other spacecraft.

The team is also uploading a software patch to prevent the recurrence of a glitch that arose on Voyager 1 last year. Engineers resolved the glitch , and the patch is intended to prevent the issue from occurring again in Voyager 1 or arising in its twin, Voyager 2.

Thruster Buildup

The thrusters on Voyager 1 and Voyager 2 are primarily used to keep the spacecraft antennas pointed at Earth in order to communicate. Spacecraft can rotate in three directions – up and down, to the left and right, and around the central axis, like a wheel. As they do this, the thrusters automatically fire and reorient the spacecraft to keep their antennas pointed at Earth.

Propellant flows to the thrusters via fuel lines and then passes through smaller lines inside the thrusters called propellant inlet tubes that are 25 times narrower than the external fuel lines. Each thruster firing adds tiny amounts of propellant residue, leading to gradual buildup of material over decades. In some of the propellant inlet tubes, the buildup is becoming significant. To slow that buildup, the mission has begun letting the two spacecraft rotate slightly farther in each direction before firing the thrusters. This will reduce the frequency of thruster firings.

The adjustments to the thruster rotation range were made by commands sent in September and October, and they allow the spacecraft to move almost 1 degree farther in each direction than in the past. The mission is also performing fewer, longer firings, which will further reduce the total number of firings done on each spacecraft.

The adjustments have been carefully devised to ensure minimal impact on the mission. While more rotating by the spacecraft could mean bits of science data are occasionally lost – akin to being on a phone call where the person on the other end cuts out occasionally – the team concluded the plan will enable the Voyagers to return more data over time.

Get the Latest JPL News

Engineers can’t know for sure when the thruster propellant inlet tubes will become completely clogged, but they expect that with these precautions, that won’t happen for at least five more years, possibly much longer. The team can take additional steps in the coming years to extend the lifetime of the thrusters even more.

“This far into the mission, the engineering team is being faced with a lot of challenges for which we just don’t have a playbook,” said Linda Spilker, project scientist for the mission as NASA’s Jet Propulsion Laboratory in Southern California. “But they continue to come up with creative solutions.”

Patching Things Up

In 2022, the onboard computer that orients the Voyager 1 spacecraft with Earth began to send back garbled status reports, despite otherwise continuing to operate normally. It took mission engineers months to pinpoint the issue . The attitude articulation and control system (AACS) was misdirecting commands, writing them into the computer memory instead of carrying them out. One of those missed commands wound up garbling the AACS status report before it could reach engineers on the ground.

The team determined the AACS had entered into an incorrect mode; however, they couldn’t determine the cause and thus aren’t sure if the issue could arise again. The software patch should prevent that.

“This patch is like an insurance policy that will protect us in the future and help us keep these probes going as long as possible,” said JPL’s Suzanne Dodd, Voyager project manager. “These are the only spacecraft to ever operate in interstellar space, so the data they’re sending back is uniquely valuable to our understanding of our local universe.”

Voyager 1 and Voyager 2 have traveled more than 15 billion and 12 billion miles from Earth, respectively. At those distances, the patch instructions will take over 18 hours to travel to the spacecraft. Because of the spacecraft’s age and the communication lag time, there’s some risk the patch could overwrite essential code or have other unintended effects on the spacecraft. To reduce those risks, the team has spent months writing, reviewing, and checking the code. As an added safety precaution, Voyager 2 will receive the patch first and serve as a testbed for its twin. Voyager 1 is farther from Earth than any other spacecraft, making its data more valuable.

The team will upload the patch and do a readout of the AACS memory to make sure it’s in the right place on Friday, Oct. 20. If no immediate issues arise, the team will issue a command on Saturday, Oct. 28, to see if the patch is operating as it should.

More About the Mission

The Voyager mission was originally scheduled to last only four years, sending both probes past Saturn and Jupiter. NASA extended the mission so that Voyager 2 could visit Uranus and Neptune; it is still the only spacecraft ever to have encountered the ice giants. In 1990, NASA extended the mission again, this time with the goal of sending the probes outside the heliosphere, a protective bubble of particles and magnetic fields created by the Sun. Voyager 1 reached the boundary in 2012, while Voyager 2 (traveling slower and in a different direction than its twin) reached it in 2018.

A division of Caltech in Pasadena, JPL built and operates the Voyager spacecraft. The Voyager missions are a part of the NASA Heliophysics System Observatory, sponsored by the Heliophysics Division of the Science Mission Directorate in Washington.

For more information about the Voyager spacecraft, visit:

https://www.nasa.gov/voyager

News Media Contact

Calla Cofield

Jet Propulsion Laboratory, Pasadena, Calif.

626-808-2469

[email protected]

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April 17, 2024

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Next up is launch, as Boeing's Starliner takes trek to Cape Canaveral

by Richard Tribou, Orlando Sentinel

Boeing's CST-100 Starliner, set to take its first humans on board during the Crew Flight Test mission next month, was transported from Boeing's Commercial Crew and Cargo Processing Facility at Kennedy Space Center in Florida on a 10-mile trip to Cape Canaveral Space Force Station.

It arrived at United Launch Alliance's Vertical Integration Facility early Tuesday where it was placed atop an Atlas V rocket ahead of the planned launch from Canaveral's Space Launch Complex 41 as early as May 6. The capsule will take NASA astronauts Butch Wilmore and Suni Williams on a planned eight-day mission to the International Space Station.

Boeing completed fueling its spacecraft at the Starliner production facility adjacent to KSC's massive Vehicle Assembly Building earlier this month.

"Samples were taken and specialized tests were conducted throughout the propellent loading process to ensure the safety of the team performing the operation and the safe operation of the spacecraft on orbit," said Mark Sorensen, Starliner CFT Crew Module lead.

Before it left the building, Boeing performed a final weigh-in that also acted as the center-of-gravity check. Teams signed off on that, and Starliner was loaded by crane atop ULA's transport vehicle called "K-MAG" for the overnight trip between KSC and Canaveral.

Williams and Wilmore were joined by NASA astronauts Mike Fincke and Scott Tingle, Canadian Space Agency astronaut Joshua Kutryk and JAXA astronaut Yui Kimiya to see Starliner off.

Fincke, Tingle and Kutryk have all been announced as the crew of Starliner's next planned mission, Starliner-1, while Kimiya is assigned for a long-duration stay on board the ISS in 2025, so could become its fourth crew member.

Starliner is the second of two spacecraft created as part of NASA's Commercial Crew Program alongside SpaceX's Crew Dragon. SpaceX completed its first test crew mission back in 2020 and has since flown what is now a fleet of four Crew Dragons an additional 12 times on both private and NASA missions carrying 50 humans into space in the last four years.

Boeing has faced a series of delays highlighted by an uncrewed test flight in December 2019 that failed to rendezvous with the ISS, forcing the company to refly its uncrewed dry run before it set up for the human test flight. The second try went well, but it took 2.5 years to get there in May 2022. Further fixes were also needed to the spacecraft, which have pushed CFT an additional two years past the last time it flew.

But everything is now queued up for the final push to space. The Atlas V rocket has been onsite since February, and ULA completed its CFT Mission Success Review earlier in April.

"Doing everything thing we can to give Butch and Suni a boring trip to ISS on the Atlas," said ULA President and CEO Tory Bruno on X.

If all goes well with CFT, the first operational mission Starliner-1 could fly as early as February 2025.

While SpaceX is in the middle of its eighth operational flight, Crew-8, with Crew-9 slated for August, once Boeing's Starliner is certified, the two companies will trade off flights to the ISS so each makes only one trip there annually.

Boeing has six operational flights to the ISS under contract, so it can support rotational crew missions through 2030, when NASA has said it plans to begin decommissioning the ISS.

2024 Orlando Sentinel. Distributed by Tribune Content Agency, LLC.

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