Hayabusa2's 800-meter close shave reveals Torifune as a binary asteroid
TL;DR Summary
Hayabusa2 pushed its aging craft to a record-close 800-meter flyby of the near‑Earth asteroid Torifune, a binary rock, after a heated debate over risk; the mission returned close images and science data from all four instruments, including nine seconds of Thermal Infrared Imaging and a possible first LIDAR ranging during an asteroid flyby, with about 25 MB of data downlinked initially and some 300 MB total expected. The operation demonstrated fast reconnaissance capabilities for planetary defense and paves the way for the spacecraft's 2031 rendezvous with KY26.
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