JAXA’s Hayabusa2 Successfully Performs Historic Flyby of Asteroid Torifune

¨     Japan Aerospace Exploration Agency (JAXA)’s Hayabusa2 spacecraft performed a high-speed flyby of asteroid Torifune (also known as 2001 CC21) on 5 July 2026.

¨     The spacecraft passed at a distance of about 800 metres from the asteroid’s centre and travelled at a relative speed of around 5 kilometres per second.

¨     Hayabusa2 is a Japanese asteroid sample-return mission developed by the Japan Aerospace Exploration Agency (JAXA).

¨     The spacecraft completed its primary mission in 2020 by returning samples from asteroid Ryugu to Earth.

¨     Hayabusa2 is currently operating under an extended mission to study additional asteroids.

¨     Asteroid Torifune (2001 CC21) has an estimated diameter of about 450–500 metres.

¨     The flyby enabled the spacecraft to collect important information about the asteroid’s surface, structure, and temperature.

¨     JAXA confirmed that the Hayabusa2 spacecraft remained in normal condition at 6:35 p.m. Japan Standard Time (JST) on 5 July 2026.

¨     The flyby was part of planetary defence research.

¨     Planetary defence involves the detection, tracking, and possible deflection of near-Earth objects (NEOs) that may pose a threat to Earth.

¨     The mission phase was designed to test rapid reconnaissance methods and high-precision navigation technology for future asteroid response missions.

¨     Hayabusa2’s extended mission includes a planned rendezvous with asteroid 1998 KY26 in 2031.

¨     The high-speed flyby is an important step for deep-space navigation and asteroid characterisation studies.