(1251) Hedera
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Asteroid (1251) Hedera |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.7187 AU |
| eccentricity | 0.1562 |
| Perihelion - aphelion | 2.2942 AU - 3.1432 AU |
| Inclination of the orbit plane | 6.04 ° |
| Sidereal period | 4,483 a |
| Mean orbital velocity | 18.06 km / s |
| Physical Properties | |
| Medium diameter | 26 km |
| Dimensions | ? kg |
| Albedo | ? |
| Medium density | ? g / cm³ |
| Rotation period | 15.015 h |
| Absolute brightness | 10.74 mag |
| Spectral class | X |
| history | |
| Explorer | K. Reinmuth |
| Date of discovery | 1933 |
| Another name | 1933 BE, A907 GD, A915 CA |
| 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. | |
(1251) Hedera is an asteroid of the main belt that was discovered on January 25, 1933 by the German astronomer Karl Wilhelm Reinmuth in Heidelberg .
The name of the asteroid is derived from the botanical name of the plant genus ivy .