Unidentified Object in NASA Photo STS032

Please Share and Comment! Could it be the Black Knight Satellite, Space Junk or Alien Spacecraft?. I found this photo while searching through the NASA archives. Even the official title of the photo says unknown object. This object was photographed during the STS 32 mission. Only the low res version was on the site fore download. This object is appears to be hovering right above the Earth. The original photo can be found here ufosightingz.blogspot.com Happy UFO hunting! Be sure to check out the UFO sightings blog at ufosightingz.blogspot.com and like the facebook fan page at http UFO Clouds Story ufosightingz.blogspot.com Music by UFO Clouds Be sure to follow UFO Clouds on Twitter at twitter.com Always Look Up UFO's Could be flying above you!