| Minor Planet Designation | 30 Urania | | Asteroid Group | Main Asteroid Belt | | Orbital Period | 3 years, 233 days | | Distance from the Sun | Semi-Major Axis: 353,811,643 km (2.37 AU)
Perihelion: 308,619,865 km (2.06 AU)
Aphelion: 399,003,421 km (2.67 AU) | | Eccentricity | 0.1277 | | Diameter (Mean) | 92.8 kilometres | | Notes | Urania is a relatively large example of the S-type or stony class of asteroids, composed primarily of silicates. It has an elongated and somewhat angular form, reaching 111 km along its longest axis, but with a cross-sectional diameter of just 89 km. |
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