Story perspectives
1998 KY26: New Size, Speed Insights Ahead of 2031 Mission
9/27/2025
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Story summary
- New measurements place 1998 KY26 at about 11 meters in diameter and rotating every 5 minutes.
- This makes it nearly three times smaller and twice as fast as previously thought.
- Plans call for Hayabusa2 to land on 1998 KY26 in 2031 after 2018 Ryugu mission.
- Nature Communications published the study on September 18, 2025.
