(661) Cloelia
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Asteroid (661) Cloelia |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Asteroid family | Eos family |
| Major semi-axis | 3.017 AU |
| eccentricity | 0.034 |
| Perihelion - aphelion | 2.915 AU - 3.119 AU |
| Inclination of the orbit plane | 9.2 ° |
| Length of the ascending node | 335.8 ° |
| Argument of the periapsis | 180.9 ° |
| Time of passage of the perihelion | March 13, 2018 |
| Sidereal period | 5 a 91 d |
| Mean orbital velocity | 17.1 km / s |
| Physical Properties | |
| Medium diameter | 48.05 km (± 1.5) |
| Albedo | 0.11 |
| Rotation period | 5 h 32 min |
| Absolute brightness | 9.6 likes |
| Spectral class | S. |
| history | |
| Explorer | JH Metcalf |
| Date of discovery | February 22, 1908 |
| Another name | 1908 CL |
| Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. | |
(661) Cloelia is an asteroid of the main belt , which on 22 February 1908 by American astronomer Joel H. Metcalf in Taunton was detected.
The name may have been derived from a legendary Roman woman whose name was Cloelia .