(minor planet 216) Artist rendition of Kleopatra. Credit: NASA An M-class (metallic) main belt asteroid, discovered in 1880 by Johann Palisa, that was the first ever to have its shape imaged by ground-based radar. It resembles a dog bone the size of New Jersey. Kleopatra's... Found on http://www.daviddarling.info/encyclopedia/K/Kleopatra.html