(618) Elfriede
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Asteroid (618) Elfriede |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Asteroid family | Elfriede family |
| Major semi-axis | 3,188 AU |
| eccentricity | 0.075 |
| Perihelion - aphelion | 2.948 AU - 3.428 AU |
| Inclination of the orbit plane | 17 ° |
| Length of the ascending node | 111.1 ° |
| Argument of the periapsis | 228.1 ° |
| Time of passage of the perihelion | August 21, 2008 |
| Sidereal period | 5 a 253 d |
| Mean orbital velocity | 16.7 km / s |
| Physical Properties | |
| Medium diameter | (120 ± 5) km |
| Albedo | 0.06 |
| Rotation period | approx. 15 h |
| Absolute brightness | 8.3 mag |
| Spectral class | Tholen: C |
| history | |
| Explorer | Karl Julius Lohnert |
| Date of discovery | October 17, 1906 |
| Another name | 1906 VZ |
| 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. | |
(618) Elfriede is an asteroid of the main belt that was discovered on October 17, 1906 by the German astronomer Karl Julius Lohnert in Heidelberg .
The origin of the name is unknown.