>http://www.space.com/php/multimedia/imagedisplay/wallpaper_display.php?pic=cosmic_sedna_1280.jpg

How about approaching Itokawa:

http://www.isas.ac.jp/e/snews/2005/1102.shtml

In this case, it's not an artist's conception. The Japanese Hayabusa spacecraft is hovering near asteroid Itokawa, about to land a probe that will collect a sample and is scheduled for return to earth in 2007.