China Launches Ambitious Asteroid Mission with Tianwen-2

Thu 29th May, 2025

China has embarked on a groundbreaking mission to retrieve rock samples from an asteroid, marking its first attempt at such an endeavor. The unmanned spacecraft, named Tianwen-2, successfully lifted off on Thursday morning from the Xichang Satellite Launch Center in Sichuan province, aboard a Long March 3B rocket. According to state media reports, the launch was deemed successful by the China National Space Administration (CNSA).

Tianwen-2 is currently en route to the asteroid 2016 HO3, commonly referred to as Kamo'oalewa, which is located approximately 40 million kilometers from Earth. Kamo'oalewa is classified as a quasi-satellite of Earth, sharing a similar orbit around the Sun. Scientists aim to gather samples from the surface of this asteroid, hoping to gain new insights into the formation and early development of our solar system.

The mission is structured in several phases: initially, the spacecraft will orbit Kamo'oalewa for several months to collect detailed data and images. Following this, it will conduct a sample collection from the asteroid's surface, which is expected to return to Earth in 2027 via a specialized return capsule. After completing its primary mission, Tianwen-2 will continue its journey to comet 311P, located in the asteroid belt between Mars and Jupiter.

China's space program has made remarkable strides in recent years, and this asteroid mission is one among many ambitious projects being pursued by the nation. With its operational space station, Tiangong, China is establishing itself as a formidable player in the realm of space exploration, competing with traditional space-faring nations.

In 2020, China demonstrated its interplanetary capabilities by successfully landing a rover on Mars as part of the Tianwen-1 mission. The launch of Tianwen-2 aims to fill a significant gap in space exploration, as only the United States and Japan have previously managed to return material from asteroids.

Asteroids are small celestial bodies composed of rock and metal, while comets are primarily made up of ice, dust, and frozen gases, forming bright tails when they approach the Sun.


More Quick Read Articles »