Japan 'Moon Sniper' lands but 'not generating power'

Japan became on Saturday only the fifth nation to achieve a "soft landing" on the Moon, but its space agency said that the craft's solar cells were not generating power.

With the Smart Lander for Investigating Moon (SLIM), Japan followed the United States, the Soviet Union, China and most recently India in achieving the feat.

JAXA confirmed that the SLIM "landed on the Moon at 00:20am on January 20, 2024, (Japan Time). Communication has been established since landing," JAXA said.

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"However, the solar cells are not generating power and data acquisition from the lunar surface is given priority," it added.

"The SLIM is operated with on-board batteries. The data acquired on landing is stored in the spacecraft, and we are currently working to maximise the scientific results by first transmitting this data back to Earth," said JAXA official Hitoshi Kuninaka.

Japan's mission is one of a string of new projects launched in recent years on the back of renewed interest in Earth's natural satellite.

The Japanese craft -- equipped with a shape-shifting mini-rover co-developed by the firm behind Transformer toys -- has been designed to land with unprecedented precision.

If all went to plan, it will have landed within a target area just 100 metres (yards) across, far tighter than the usual landing zone of several kilometres (miles).

Success would restore high-tech Japan's reputation in space after two failed lunar missions and recent rocket failures, including explosions after take-off.

It would also echo the triumph of India's low-cost space programme in August, when it became the first to land an uncrewed craft near the Moon's largely unexplored south pole.

Japan's space agency JAXA has already made a pinpoint landing on an asteroid, but the challenge is greater on the Moon, where gravity is stronger.

SLIM was meant to try to reach a crater where the Moon's mantle — the usually deep inner layer beneath its crust — is believed to be accessible at the surface.

"The rocks exposed here are crucial in the search for the origins of the Moon and the Earth," Tomokatsu Morota, associate professor at the University of Tokyo specialising in lunar and planetary exploration, told AFP.

This includes shedding light on the mystery of the Moon's possible water resources, which will also be key to building bases there one day as possible stopovers on the way to Mars.

"The possibility of lunar commercialisation depends on whether there is water at the poles," Morota said.

More than 50 years after the first human Moon landing, many countries and private companies are attempting to make the trip anew.

But crash-landings, communication failures and other technical problems are rife.