(339) Dorothea
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Asteroid (339) Dorothea |
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| Properties of the orbit ( animation ) | |
| Orbit type | Outer main belt |
| Asteroid family | Eos family |
| Major semi-axis | 3.014 AU |
| eccentricity | 0.095 |
| Perihelion - aphelion | 2.728 AU - 3.3 AU |
| Inclination of the orbit plane | 9.9 ° |
| Length of the ascending node | 173.8 ° |
| Argument of the periapsis | 161.3 ° |
| Time of passage of the perihelion | 2nd August 2012 |
| Sidereal period | 5 a 85 d |
| Mean orbital velocity | 17.1 km / s |
| Physical Properties | |
| Medium diameter | 38 km |
| Dimensions | 5.86 x 10 16 kg |
| Albedo | 0.2431 |
| Medium density | ≈ 2.0 g / cm³ |
| Rotation period | 5 h 58 min |
| Absolute brightness | 9.24 likes |
| Spectral class | S. |
| history | |
| Explorer | Max Wolf |
| Date of discovery | September 25, 1892 |
| 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. | |
(339) Dorothea is asteroid of the main asteroid belt , which was discovered on September 25, 1892 by the German astronomer Max Wolf in Heidelberg .
It is named in honor of Dorothea Klumpke .