(1642) Hill
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Asteroid (1642) Hill |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.7503 AU |
| eccentricity | 0.0688 |
| Perihelion - aphelion | 2.5611 AU - 2.9395 AU |
| Inclination of the orbit plane | 10.83 ° |
| Sidereal period | 4,561 a |
| Mean orbital velocity | 17.96 km / s |
| Physical Properties | |
| Medium diameter | 26 km |
| Dimensions | ? kg |
| Albedo | ? |
| Medium density | ? g / cm³ |
| Rotation period | ? H |
| Absolute brightness | 10.72 mag |
| Spectral class | S. |
| history | |
| Explorer | K. Reinmuth |
| Date of discovery | 4th September 1951 |
| Another name | 1951 RU, 1929 XB, 1931 FO |
| 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. | |
(1642) Hill is an asteroid of the main belt , which on 4 September 1951 by the German astronomer Karl Wilhelm Reinmuth at Heidelberg State Observatory King chair of the University of Heidelberg was discovered.
The asteroid is named after the American astronomer and mathematician George William Hill .