(445) Edna
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Asteroid (445) Edna |
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| Properties of the orbit ( animation ) | |
| Orbit type | Outer main belt |
| Major semi-axis | 3,201 AU |
| eccentricity | 0.192 |
| Perihelion - aphelion | 2.587 AU - 3.815 AU |
| Inclination of the orbit plane | 21.4 ° |
| Length of the ascending node | 292.4 ° |
| Argument of the periapsis | 80.1 ° |
| Time of passage of the perihelion | 15th July 2013 |
| Sidereal period | 5 a 265 d |
| Mean orbital velocity | 16.5 km / s |
| Physical Properties | |
| Medium diameter | 87.16 km |
| Albedo | 0.0447 |
| Rotation period | 19 h 58 min |
| Absolute brightness | 9.29 likes |
| Spectral class | C. |
| history | |
| Explorer | EF Coddington |
| Date of discovery | October 2, 1899 |
| Another name | 1899 EX, 1978 PJ 5 , A918 CB |
| 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. | |
(445) Edna is an asteroid of the main belt , the California (Mt. Hamilton) by US astronomers on October 2, 1899 Edwin Foster Coddington was discovered.
The name of the asteroid is derived from the wife of the founder Julius F. Stone .