> Orbit is much more expensive than reentry and landing
The asteroid already has to be going slowly enough to avoid burning up in the atmosphere, and circularizing at HEO is much cheaper than circularizing near LEO. You also probably don't want to crash anything of this size into the earth.
The asteroid already has to be going slowly enough to avoid burning up in the atmosphere, and circularizing at HEO is much cheaper than circularizing near LEO. You also probably don't want to crash anything of this size into the earth.