2 papers
astro-ph.EP2026
Observational planning for the 2026 August 5 Falcon 9 Upper Stage lunar impact
Benjamin Fernando, Jennifer Heldmann, Bill Grey +20
On 2026 August 5, at approximately 06:35 UT, a spent Falcon 9 upper stage will impact the lunar surface near Einstein Crater. This event will occur on sunlit terrain near the easte…
astro-ph.IM2025
Space Mission Options for Reconnaissance and Mitigation of Asteroid 2024 YR4
Brent W. Barbee, Matthew A. Vavrina, Rylie Bull +17
Near-Earth asteroid 2024 YR4 was discovered on 2024-12-27 and its probability of Earth impact in December 2032 peaked at about 3% on 2025-02-18. Additional observations ruled out E…