Looks like some really astute sky watchers have been able to track the orbit of the X-37b and by that orbit determine that it is a surveillance platform. The orbit of the X-37b takes it as far as 40 degrees North latitude to 40 degrees South latitude putting it’s “eyes” on a wide range of military targets – especially those in the Middle East. The military has been adamant that the X-37b was not a Space Weapon and maybe this proves their point.
New – Video taken of X-37b crossing sky (Space.com)
UPDATE: Second Launch info here