(723) Hammonia
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Asteroid (723) Hammonia |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.9925 AU |
| eccentricity | 0.0593 |
| Perihelion - aphelion | 2.8151 AU - 3.1698 AU |
| Inclination of the orbit plane | 4.982 ° |
| Sidereal period | 5,177 a |
| Mean orbital velocity | 17.22 km / s |
| Physical Properties | |
| Medium diameter | 35.68 km |
| Albedo | 0.183 |
| Rotation period | ? H |
| Absolute brightness | 9,864 likes |
| Spectral class | C. |
| history | |
| Explorer | J. Palisa |
| Date of discovery | 1911 |
| Another name | 1911 NB, 1949 YR |
| 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. | |
(723) Hammonia is an asteroid of the main belt , which on 21 October 1911 by the Austrian astronomer Johann Palisa in Vienna was discovered.
The name of the asteroid is derived from the Latin name Hammonia for the city of Hamburg , the origin of which goes back to the Hammaburg .