"close pass" is an understatement... (Score 1)

Keep in mind that the orbital corrections are done with a significant time delay -- this is a situation where the speed of light *matters* :-). Getting that close to Eros successfully is nothing short of remarkable IMO. There was an article in Scientific American years ago about the mods made to the Voyager probes in flight (wish I could remember the specific issue), and it really gives you a feeling of wonder about the fact that we monkeys can do this stuff at all...