New Study Challenges Asteroid 1998 KY26 Origin

A new paper published in the journal Icarus challenges the theory that asteroid 1998 KY26 is a dark comet. Researchers found the rock is too warm to hold buried ice, with temperatures averaging at least 212 Kelvin. This finding complicates the mystery of the object's non-gravitational acceleration as Japan's Hayabusa2 probe prepares to rendezvous with the space rock in 2031.