(1668) Hanna
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Asteroid (1668) Hanna |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.8050 AU |
| eccentricity | 0.2158 |
| Perihelion - aphelion | 2.1997 AU - 3.4103 AU |
| Inclination of the orbit plane | 4.729 ° |
| Sidereal period | 4,698 a |
| Mean orbital velocity | 17.78 km / s |
| Physical Properties | |
| Medium diameter | approx. 25 km |
| Dimensions | ? kg |
| Albedo | ? |
| Medium density | ? g / cm³ |
| Rotation period | ? H |
| Absolute brightness | 12.2 mag |
| Spectral class | ? |
| history | |
| Explorer | K. Reinmuth |
| Date of discovery | July 24, 1933 |
| Another name | 1933 OK, 1938 SY, 1966 QM |
| 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. | |
(1668) Hanna is an asteroid of the main belt that was discovered on July 24, 1933 by the German astronomer Karl Wilhelm Reinmuth in Heidelberg .
The asteroid bears the name of Hanna Reinmuth , a daughter-in-law of the discoverer.