| Minor Planet Designation | 53311 Deucalion (provisinally designated 1999 HU11) | | Group | Classical Kuiper Belt Objects (Cubewanos) | | Family | Not applicable | | Composition Class | Not known | | Orbital Period | 295.8 years | | Distance from the Sun | Semi-Major Axis: 6,589,806,799 km (44.05 AU)
Perihelion: 6,164,616,230 km (41.21 AU)
Aphelion: 7,014,997,368 km (46.89 AU) | | Eccentricity | 0.0645 | | Diameter (Mean) | c. 131 kilometres | | Notes | A little-known body orbiting in the far reaches of the Solar System, beyond the orbit of Neptune and within the region known as the Kuiper Belt. Deucalion is at least 131 km in diameter, and may be rather larger. With a low orbital eccentricity and inclination, it follows a stable orbit that is near circular in form, and lies close to the plane of the Solar System. |
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