Orbit and Rotation
This small world, due to being between 3.03 and 3.27 AUs (astronomical units), is a member of the outer asteroid belt, and the outer region of that, and is thus one of the most distant non-Jupiter Trojan asteroids. It is also, as previously mentioned, a member of the Eos family of asteroids. At 9.734°, 513 Centesima has a relatively small inclination to the ecliptic, less than the asteroid and dwarf planet, Ceres, the largest asteroid. It orbits the sun in 5.239 years. Its' aphelion is 3.255 AU's, and its' perihelion is 2.777 AUs from the sun. It has a surprisingly circular orbit, with an eccentricity of about .079. It reached epoch, a place in an objects' orbit that is useful for good study, on August 18, 2005, almost 98 years after discovery,only 6 days before a full 98 years, to start a 99th year. Its' rotation remains unknown.
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