Japan Probe Flies 800 Meters From Asteroid in Planetary Defense Test
GS3Economy · S&T · Environment · Security· Space technology (ISRO, missions)· Prelims·
Why in news
JAXA's Hayabusa2 probe successfully flew within 800 meters of asteroid Torifune to test planetary defense and asteroid deflection technologies.
Background
The Hayabusa2 spacecraft conducted a flyby of the near-Earth asteroid Torifune at speeds exceeding 18,000 km/h. The mission was conducted by the Japan Aerospace Exploration Agency (JAXA) to evaluate precise control capabilities for future space rock deflection.
Facts for Prelims
- S&THayabusa2: A Japanese spacecraft designed for asteroid exploration and sample return missions.
- S&TTorifune: A near-Earth asteroid used as a target for planetary defense flyby tests.
- FactThe probe maintained a proximity of 800 meters from the asteroid during the flyby.
- BodyJAXA: Japan Aerospace Exploration Agency, the national aerospace agency of Japan.
For Mains
Q. Discuss the significance of planetary defense missions in ensuring global space safety and the technological challenges involved in asteroid deflection.
Dimensions to cover in your answer
- Technological bottleneck: Achieving high-precision navigation and propulsion for kinetic impactors or gravity tractors.
- International cooperation: Need for multilateral frameworks to manage orbital debris and planetary defense protocols.
- Cost-benefit analysis: Balancing high-cost deep-space exploration with the necessity of mitigating existential cosmic threats.
Keywords: Planetary Defense · Asteroid Deflection · Space Exploration · Kinetic Impact · JAXA
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