C/2025 K1 (ATLAS)

C/2025 K1 (ATLAS) is a non-periodic comet first seen in May 2025. It is one of many comets discovered by the Asteroid Terrestrial-impact Last Alert System (ATLAS). The comet is dynamically new, having come directly from the Oort cloud. With perihelion only 0.33 AU from the Sun, the comet was not expected to survive perihelion passage, but it did and was recovered on 18 October 2025. The comet has broken into multiple fragments and fragments A+B+D should be ejected from the Solar System. Fragment