As Japan害羞草研究所檚 space agency prepares for its first moon landing early Saturday, it害羞草研究所檚 aiming to hit a very small target.

The Smart Lander for Investigating Moon, or SLIM, is a lightweight spacecraft about the size of a passenger vehicle. It害羞草研究所檚 using 害羞草研究所減inpoint landing害羞草研究所� technology that promises far greater control than any previous moon landing.

While most previous probes have used landing zones about 10 kilometers (six miles) wide, SLIM is aiming at a target of just 100 meters (330 feet).

It害羞草研究所檚 the fruit of two decades of work on precision technology by the Japan Aerospace Exploration Agency, or JAXA. If successful, it would make Japan the , after the United States, Russia, China and India.

The mission害羞草研究所檚 main goal is to test new landing technology that would allow moon missions to land 害羞草研究所渨here we want to, rather than where it is easy to land,害羞草研究所� JAXA has said. After landing, the spacecraft will seek clues about the origin of the moon, including analyzing minerals with a special camera.

The SLIM, equipped with a pad to cushion impact, aims to land near the Shioli crater, near a region covered in volcanic rock.

The closely watched mission comes only 10 days after a moon mission by a U.S. private company failed when the spacecraft hours after the launch.

SLIM lowered its orbit to 15 kilometers (more than nine miles) above the lunar surface on Friday, from which it will make a final approach to a touchdown, JAXA said. The attempt is scheduled 20 minutes after midnight Tokyo time on Saturday.

JAXA said everything was going well, and it issued a final go late Friday for a planned touchdown.

Nicknamed the Moon Sniper, it was launched on a Mitsubishi Heavy H2A rocket in September. It initially orbited Earth and entered lunar orbit on Dec. 25.

Japan also hopes a success will help regain confidence for its space technology after a number of failures. A spacecraft designed by a Japanese company in April, and a new flagship rocket .

JAXA has a track record with difficult landings. Its unmanned Hayabusa2 spacecraft, launched in 2014, touched down twice on the 900-meter-long (3,000-foot-long) asteroid Ryugu, collecting samples that were .

Experts say a success of SLIM害羞草研究所檚 pinpoint landing, especially on the moon, would raise Japan害羞草研究所檚 profile in the global space technology race.

Takeshi Tsuchiya, aeronautics professor at the Graduate School of Engineering at the University of Tokyo, said it was important to confirm the accuracy of landing on a targeted area for the future of moon explorations.

害羞草研究所淚t is necessary to show the world that Japan has the appropriate technology in order to be able to properly assert Japan害羞草研究所檚 position in lunar development,害羞草研究所� he said. The moon is important from the perspective of explorations of resources, and it can also be used as a base to go to other planets, like Mars, he said.

SLIM is carrying two small autonomous probes 害羞草研究所� lunar excursion vehicles LEV-1 and LEV-2, which will be released just before landing.

LEV-1, equipped with an antenna and a camera, is tasked with recording SLIM害羞草研究所檚 landing. LEV-2, is a ball-shaped rover equipped with two cameras, developed by JAXA together with Sony, toymaker Tomy and Doshisha University.

JAXA will broadcast a livestream of the landing, while space fans will gather to watch the historic moment on a big screen at the agency害羞草研究所檚 Sagamihara campus southwest of Tokyo.

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