(1375) Alfreda
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Asteroid (1375) Alfreda |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.4470 AU |
| eccentricity | 0.0702 |
| Perihelion - aphelion | 2.2753 AU - 2.6187 AU |
| Inclination of the orbit plane | 5.822 ° |
| Sidereal period | 3.83 a |
| Mean orbital velocity | 19.04 km / s |
| Physical Properties | |
| Medium diameter | 23 km |
| Dimensions | ? kg |
| Albedo | ? |
| Medium density | ? g / cm³ |
| Rotation period | ? H |
| Absolute brightness | 11.6 mag |
| Spectral class | ? |
| history | |
| Explorer | Eugène Delporte |
| Date of discovery | October 22, 1935 |
| Another name | A916 WK, 1931 TV 3 , 1933 FC, 1935 UB |
| 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. | |
(1375) Alfreda is an asteroid of the main belt discovered on October 22, 1935 by the Belgian astronomer Eugène Joseph Delporte in Ukkel .
The asteroid is named after a friend of the discoverer.