NASA makes asteroid defense a priority, moving its NEO surveyor mission into the development phase

NASA makes asteroid defense a priority, moving its NEO surveyor mission into the development phase
Artist’s concept of the NEO Surveyor mission. Credit: NASA / JPL-Caltech/The Planetary Society

There's an old adage in the engineering field—what gets funded gets built. So it's sure to be a happy time over at the Planetary Society, as NEO Surveyor, the project the organization has primarily supported over the past few years, has made it through NASA's grueling budgetary process to reach the "development" stage, with an eye for a launch of the system in 2028.

NEO Surveyor is, as the name implies, a satellite specifically designed to survey for objects near the Earth (NEO). One of its primary contributions will be to look for asteroids and other small bodies that are potentially on an eventual collision course with Earth but are invisible to typical NEO survey missions because of their location in the solar system.

Typically, their signals are just against the overwhelming signal from the sun. But NEO Surveyor will be able to detect individual asteroid heat signatures, allowing it to isolate potentially dangerous asteroids using this novel technique. With the increased focus on "," as it has come to be called, NASA has been interested in the mission, which was initially proposed in 2005, for some time.

But, as with all bureaucracies, NASA has budgetary difficulties, and NEO Surveyor was no exception. The agency originally canceled NEO Surveyor's budget for the fiscal years 2022 and 2023, forcing project scientists and engineers to move on to other projects for their salaries. So when NASA again picked up the bill for the project, it had ballooned to $1.2 billion, partly due to the increased inflation throughout the economy in the intervening years.

UT has plenty of content on how we protect ourselves from asteroids. The first step is always to find them.

Despite that price hike, the Planetary Society expects Congress to support the mission, in part thanks to more than 5,000 people who wrote their local representatives on behalf of the project. In a further show of support, the seemingly unrelated CHIPS and Science act passed by Congress earlier this year forces NASA into no longer cutting programs funding even if there are cost overruns on other programs (like, for example, the JWST).

Now with funding secured, the moves on to building and testing flight hardware as the third part of the five-step NASA project cycle. At the end of this "Phase C," all of the hardware should be ready for final assembly and testing. But there's still a long way, and potentially some of its own cost overruns, to go before NEO Surveyor is officially in space and collecting valuable data on our immediate planetary neighborhood. But for now, the project appears on track to deliver those helpful data points, if slightly later than its proponents had hoped for.

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Citation: NASA makes asteroid defense a priority, moving its NEO surveyor mission into the development phase (2022, December 27) retrieved 30 May 2024 from https://phys.org/news/2022-12-nasa-asteroid-defense-priority-neo.html
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