The Bruce Murray Space Image Library
Kleopatra, Alexhelios, and Cleoselene
Filed under animation, many worlds, asteroids, optical telescopes
An image from the adaptive optics-equipped Keck II Telescope resolves the dog-bone shape of asteroid (216) Kleopatra and its two moons, outer Alexhelios (1) and inner Cleoselene (2). Kleopatra is about 271 kilometers long, with two lobes each 80 kilometers long joined by a neck about 50 to 65 kilometers wide. The two moons are between 5 and 10 kilometers in diameter and orbit 454 and 678 kilometers away from Kleopatra.
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