TOKYO, Japan – The “Moon Sniper” robotic explorer, a mission undertaken by the Japan Aerospace Exploration Agency (JAXA), successfully landed on the lunar surface. However, the mission may be cut short due to an issue with the spacecraft’s solar cell, which is not generating electricity. JAXA officials are currently receiving a signal from the lander and analyzing data to determine the cause of the problem and the next steps for the mission. Despite the setback, the agency believes the mission can still be considered a “minimum success” as it achieved a precise and soft lunar landing using optical navigation.
The uncrewed Smart Lander for Investigating Moon (SLIM) mission, nicknamed “Moon Sniper,” landed on the lunar surface at approximately 10:20 a.m. ET on Friday (12:20 a.m. Saturday Japan Standard Time). The mission’s primary goal is to study rocks at the landing site, which could provide insights into the origin of the moon.
The SLIM lander is currently operating on limited battery power, expected to last only a few hours. The JAXA team suspects that the solar cell issue may be due to the spacecraft not pointing in the intended direction. They are hopeful that as the solar angle changes on the moon, the solar cell may be able to charge again. However, this will depend on whether SLIM can survive the frigid lunar night.
The successful landing of the SLIM mission makes Japan the third country to achieve a lunar landing this century and the fifth country overall. Previous lunar missions have targeted and reached much larger areas, but SLIM focused on a landing site that spans only 100 meters (328 feet) across. The mission is equipped with new precision technology to demonstrate a “pinpoint” landing.
Several other countries and space agencies have attempted moon landing missions in recent years, with varying degrees of success. India became the fourth country to execute a controlled landing on the moon in August, following the United States, the former Soviet Union, and China. However, others like Ispace’s Hakuto-R lunar lander and Russia’s Luna-25 experienced failures during landing attempts.
One of the motivations behind the recent lunar space race is the desire to access water trapped as ice in the moon’s permanently shadowed regions. This water could potentially be used for drinking or as fuel for further space exploration. However, landing in these regions is challenging due to the presence of craters and rocky terrain.
Despite the solar cell issue, the SLIM mission represents a significant advancement in lunar exploration. Its lightweight design could enable future missions to land on small areas of interest not only on the moon but also on other planets like Mars. JAXA continues to assess the accuracy of SLIM’s landing, a process that could take up to a month.
As the JAXA team works to gather scientific data from the lander and determine the course of action, space exploration continues to push forward with new discoveries and challenges. The future holds promise for further exploration of the moon and beyond, with countries and agencies striving to expand humanity’s understanding of the universe.