(1662) Hoffmann
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Asteroid (1662) Hoffmann |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Asteroid family | Merxia family |
| Major semi-axis | 2.7421 AU |
| eccentricity | 0.1729 |
| Perihelion - aphelion | 2.2679 AU - 3.2162 AU |
| Inclination of the orbit plane | 4.243 ° |
| Sidereal period | 4,541 a |
| Mean orbital velocity | 17.99 km / s |
| Physical Properties | |
| Medium diameter | 18 km |
| Dimensions | ? kg |
| Albedo | ? |
| Medium density | ? g / cm³ |
| Rotation period | 8.784 h |
| Absolute brightness | 11,709 likes |
| Spectral class | Sr |
| history | |
| Explorer | K. Reinmuth |
| Date of discovery | September 11, 1923 |
| Another name | A923 RB, 1932 RB, 1942 YC |
| 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. | |
(1662) Hoffmann is an asteroid of the main belt that was discovered on September 11, 1923 by the German astronomer Karl Wilhelm Reinmuth in Heidelberg .
The asteroid bears the name of Irmtraud Hoffmann , a daughter-in-law of the discoverer.