The Impact Site of China’s Longjiang-2 Spacecraft has Been Found on the Moon

Universe Today | 5/20/2018 | Staff
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On May 20th, 2018, the China National Space Agency (CNSA) launched the Queqiao spacecraft, the vehicle that would deliver the Chang’e-4 mission to the Moon. This vehicle was also responsible for transporting a lesser-known mission to the Moon, known as the Longjiang twin spacecraft. This package consisted of two satellites designed to fly in formation and validate technologies for low-frequency radio astronomy.

While Queqiao flew beyond the Moon to act as a communications relay for the Chang’e-4 lander, the Longjiang satellites were to enter orbit around the moon. On July 31st, 2019, after more than a year in operation, the Longjiang-2 satellite deorbited crashed on the lunar surface. And thanks to efforts spacecraft tracker Daniel Estévez and his colleagues, the Lunar Reconnaissance Orbiter (LRO) was able to photograph the impact site.

Astronomists - Scientists - Daniel - Estévez - Figure

Among amateur astronomists and citizen scientists, Daniel Estévez is a well-known figure. In addition to being an amateur radio operator with a PhD in Mathematics and a BSc in Computer Science, Estévez is also an amateur spacecraft tracker. It was he who, in May of 2019, made an official estimate on when the Longjiang-2 satellite would crash on the lunar surface.

Based on his calculations, he determined the impact would take place somewhere within Van Gent crater on July 31st. This small impact crater is located on the far side of the Moon and is situated to the south and southeast of the larger Konstantinov crater. These results were then passed on to the Lunar Reconnaissance Orbiter...
(Excerpt) Read more at: Universe Today
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