(354) Eleonora
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Asteroid (354) Eleonora |
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| Properties of the orbit ( animation ) | |
| Orbit type | Middle main belt |
| Major semi-axis | 2,799 AU |
| eccentricity | 0.115 |
| Perihelion - aphelion | 2.478 AU - 3.12 AU |
| Inclination of the orbit plane | 18.4 ° |
| Length of the ascending node | 140.4 ° |
| Argument of the periapsis | 6.5 ° |
| Time of passage of the perihelion | April 21, 2010 |
| Sidereal period | 4 a 250 d |
| Mean orbital velocity | 17.7 km / s |
| Physical Properties | |
| Medium diameter | 155.2 km |
| Albedo | 0.1948 |
| Rotation period | 4 h 17 min |
| Absolute brightness | 6.44 mag |
| Spectral class | S. |
| history | |
| Explorer | Auguste Charlois |
| Date of discovery | January 17, 1893 |
| Another name | 1893 A, A918RF |
| 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. | |
(354) Eleonora is an asteroid of the main belt that was discovered by Auguste Charlois in Nice on January 17, 1893 .
See also
- List of asteroids with references and web links (see also infobox)