This time the asteroid strike was on a moon of Mars, Phobus – see https://phys.org/print461938210.html … a new study claims stranges goings on Mars moon Phobus were made by rolling boulders. It is the origin of the boulders that is intersesting from a catastrophist angle and the theory is that they were formed in the wake of an asteroid strike. The research was published in Planetary and Space Science (November 2018). The grooves are a distinct feature of Phobus …
… Phobus is just 27knm wide but has a meteor crater 9km wide.