The cross section isn't actually all that outrageous, it corresponds to a hardbody radius of 4.5 meters. Hardbody radius is equal to the sum of the radii of the

The cross section isn't actually all that outrageous, it corresponds to a hardbody radius of 4.5 meters. Hardbody radius is equal to the sum of the radii of the two colliding bodies, so 2.25 meters - which seems about right for Starlink.