(869) Mellena
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Asteroid (869) Mellena |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.6924 AU |
| eccentricity | 0.2159 |
| Perihelion - aphelion | 2.1111 AU - 3.2737 AU |
| Inclination of the orbit plane | 7.839 ° |
| Sidereal period | 4,418 a |
| Mean orbital velocity | 18.15 km / s |
| Physical Properties | |
| Medium diameter | 18.52 km |
| Albedo | 0.056 |
| Rotation period | ? H |
| Absolute brightness | 11,632 likes |
| Spectral class | ? |
| history | |
| Explorer | R. Schorr |
| Date of discovery | 1917 |
| Another name | 1917 BV, 1931 RC, 1944 OB |
| 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. | |
(869) Mellena is an asteroid of the main belt that was discovered on May 9, 1917 by the astronomer Richard Reinhard Emil Schorr in Hamburg-Bergedorf .
By naming the asteroid, the former mayor of Hamburg Werner von Melle was honored, who had campaigned for the founding of the Hamburg University .