Asteroid 2025 Mk. Asteroid 2025 mk is between 120 and 260 m (400 to 850 feet) in size and was discovered on. — the second, asteroid 2025 mk, will arrive saturday morning.
— asteroid 2025 mk will fly past earth on 29 june at approximately 13:45 utc (15:45 cest). — two large asteroids safely pass earth just 42 hours apart