.NOAA’s JPSS2 🛰️ has successfully completed its thermal vacuum testing, showing that the spacecraft and its instruments can withstand the harsh environment of space. This critical milestone brings the satellite one step closer to launch. Read more:
NOAA’s JPSS-2 satellite has cleared a critical testing milestone, bringing it a step closer to launch. Last week, the polar-orbiting satellite emerged from the chamber after completing its thermal vacuum testing. This test is meant to show that the spacecraft and all of its instruments will perform successfully when exposed to the harsh environments of space.
NOAA’s JPSS-2, the third satellite in the Joint Polar Satellite System series, will provide data that inform weather forecasts, extreme weather and climate change. It isNov. 1, 2022, from the Vandenberg Space Force Base in California and will be renamed NOAA-21 after reaching orbit. “The satellite has to keep itself warm enough in a cold state and cool when it’s in a hot state, and still provide the science performance as it’s going through the temperature transitions,” said Chris Brann, deputy project manager for the JPSS flight project. “If it works at the two extremes of hot and cold, it will work in between.
The thermal vacuum test is the most significant test the satellite will go through, short of launch, Dress said. “There’s no other test like it in the whole life of a mission,” he said. “This one is the biggie.”The spacecraft emerged from TVAC testing June 4 — three months after it entered the chamber. The investigation and equipment fixes delayed the completion of the test by about a month.
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