Asteroid Headed Towards Earth 2025. Asteroid 2025 mk is between 120 and 260 m in size and was discovered on 16 june 2025. It was discovered only 13 days.
Dubbed 2025 bxi, the asteroid ultimately entered earth’s atmosphere near berlin, generating a luminous yet benign fireball visible over a wide area. The deep space network’s goldstone planetary radar had a busy few days observing asteroids 2025 mk and 2011 ul21 as they safely passed earth.