(1612) Hirose
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Asteroid (1612) Hirose |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 3.0995 AU |
| eccentricity | 0.0974 |
| Perihelion - aphelion | 2.7977 AU - 3.4014 AU |
| Inclination of the orbit plane | 16.85 ° |
| Sidereal period | 5,457 a |
| Mean orbital velocity | 16.92 km / s |
| Physical Properties | |
| Medium diameter | approx. 19 km |
| Dimensions | ? kg |
| Albedo | ? |
| Medium density | ? g / cm³ |
| Rotation period | ? H |
| Absolute brightness | 10.8 mag |
| Spectral class | ? |
| history | |
| Explorer | K. Reinmuth |
| Date of discovery | January 23, 1950 |
| Another name | 1950 BJ, 1939 CD, 1952 PD |
| 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. | |
(1612) Hirose is an asteroid of the main belt that was discovered on January 23, 1950 by the German astronomer Karl Wilhelm Reinmuth in Heidelberg .
The asteroid is dedicated to the Japanese astronomer Hideo Hirose .