SLIM, Japan’s first successful lunar lander, isn’t going down without a fight. After making history—albeit upside down—in January, the Smart Lander for Investigating Moon continues to surprise mission control at Japan Aerospace Exploration Agency (JAXA) by surviving not one, but now two brutally frigid lunar nights.
“Last night, we received a response from #SLIM, confirming that the spacecraft made it through the lunar night for the second time!” JAXA posted to X on Wednesday alongside a new image of its likely permanent, inverted vantage point near the Shioli crater. JAXA also noted that, because the sun is currently high above the lunar horizon, SLIM’s equipment is currently extremely hot (212-degrees Fahrenheit or so), so only the navigation camera can be used for the time being.
Last night, we received a response from #SLIM, confirming that the spacecraft made it through the lunar night for the second time! Since the sun was still high and the equipment was still hot, we only took some shots of the usual scenery with the navigation camera. #GoodAfterMoon pic.twitter.com/5BjIr7vxMG
— 小型月着陸実証機SLIM (@SLIM_JAXA) March 28, 2024
Based on their newly acquired data, however, it appears that some of the lander’s temperature sensors and unused battery cells are beginning to malfunction. Even so, JAXA says “the majority of functions that survived the first lunar night” are still going strong after yet another two-week stretch of darkness that sees temperatures drop to -208 Fahrenheit.
It’s been quite the multi-month journey for SLIM. After launching last September, SLIM eventually entered lunar orbit in early October, where it then spent weeks rotating around the moon’s surface. On January 19, JAXA initiated SLIM’s landing procedures, with early indications pointing towards a successful touchdown. After reviewing lander data, JAXA confirmed the spacecraft stuck the landing roughly 180-feet from an…
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