Living dossier
Planetary Defense
A living Archypedia dossier connecting source-backed reporting, context and new developments about Planetary Defense.
Evidence timeline
Coverage as it developed
Newest first. Every entry retains its own source ledger and publication history.
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JAXA Hayabusa2 probe captures image of snowman-shaped asteroid Torifune
The Hayabusa2 spacecraft successfully completed a high-speed flyby of asteroid Torifune, proving Japan's capability to precisely target near-Earth objects.
Science · 788 words -
Hayabusa2 completes close flyby of asteroid Torifune in defense test
JAXA successfully piloted the Hayabusa2 probe through a close-range encounter with asteroid Torifune to refine the precision needed for planetary defense.
Science · 500 words -
China to build space-ground monitoring network for asteroid defense
The China National Space Administration is building a comprehensive network of optical telescopes and space-based sensors to detect hazardous asteroids. This system aims to eliminate surveillance blind spots and protect Earth from potential space-borne threats.
Science · 622 words -
Hayabusa2 spacecraft to perform ultra-close flyby of asteroid on July 5
The Hayabusa2 spacecraft is scheduled for a high-speed, ultra-close flyby of asteroid Torifune on 5 July 2026. This mission extension serves as a test for rapid reconnaissance capabilities essential for future planetary defense.
Science · 540 words