China's Tianwen-2 probe has beamed home its first image of asteroid 2016 HO3, better known as Kamo'oalewa — a quasi-moon that orbits near Earth. The photograph marks an early success for the ambitious sample return mission, which aims to collect material from this elusive object.
The spacecraft, which launched in 2025, is designed to study Kamo'oalewa's composition and orbital dynamics. The asteroid measures roughly 40 to 100 meters across and is one of a handful of known quasi-satellites that orbit the Sun while staying close to Earth. Tianwen-2 will attempt to land on the rocky body and collect samples before returning them to Earth.
The mission timeline spans several years, with the sample return expected around 2026. This photographic milestone comes shortly after the probe's rendezvous with the asteroid, demonstrating successful navigation and imaging capabilities. No delays have been reported, and the mission appears on track.
Kamo'oalewa's origins remain uncertain — some scientists believe it may be a fragment of the Moon, ejected by an ancient impact. Studying its composition could reveal clues about Earth-Moon system history. The mission also sets a technical precedent for China's expanding deep-space exploration program, which includes plans for a Mars sample return later this decade.
This is China's second asteroid mission, following the 2022 Tianwen-1 Mars orbiter and rover success. The country has invested heavily in planetary science, with Tianwen-2 serving as a key test of autonomous sampling and return capabilities.