Japan's 3-Inch SORA-Q Rover Navigates Moon, Relaying Data for 100 Minutes
Updated
Updated · Space.com · Jun 13
Japan's 3-Inch SORA-Q Rover Navigates Moon, Relaying Data for 100 Minutes
3 articles · Updated · Space.com · Jun 13
Summary
An 8-centimeter transforming rover deployed by Japan's SLIM lander successfully drove on the moon, proving autonomous navigation and wireless data relay through a companion robot back to Earth.
SORA-Q unfolded from a sphere into a wheeled rover with a camera and stabilizing tail, then circled the lander and captured color images near Shioli crater in Mare Nectaris.
The mission paired SORA-Q with the hopping LEV-1 robot because palm-sized rovers cannot carry full communications systems, making teamwork essential for exploration and transmission.
Communications ended after about 100 minutes—20 to 30 minutes earlier than expected—likely because LEV-1 was damaged while hopping or its battery ran down.
JAXA and its partners, including Sony, Doshisha University and toy maker Takara-TOMY, see the result as evidence that tiny low-mass robots could reach cramped lunar terrain larger rovers cannot.
Its mission ended in 100 minutes. Was Japan's transforming Moon rover a brilliant success or a high-tech failure?
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SORA-Q’s 100-Minute Mission: The World’s Smallest Lunar Rover and the Future of Miniature Planetary Scouts
Overview
In January 2024, Japan made history by deploying SORA-Q, the world’s smallest and lightest lunar rover, from the SLIM spacecraft. Developed through a unique collaboration between JAXA, TOMY, Sony, and Doshisha University, SORA-Q was designed to reach places larger rovers cannot, such as lunar crevasses. After SLIM’s unexpected upside-down landing, SORA-Q autonomously captured crucial images to help engineers assess the situation. Working alongside its counterpart LEV-1, SORA-Q demonstrated fully autonomous and coordinated exploration, setting a new standard for miniature, agile robots in future lunar missions.