(426) Hippo
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Asteroid (426) Hippo |
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| Properties of the orbit ( animation ) | |
| Orbit type | Middle main belt |
| Major semi-axis | 2,893 AU |
| eccentricity | 0.103 |
| Perihelion - aphelion | 2.595 AU - 3.191 AU |
| Inclination of the orbit plane | 19.5 ° |
| Length of the ascending node | 311.7 ° |
| Argument of the periapsis | 220.3 ° |
| Time of passage of the perihelion | April 3, 2008 |
| Sidereal period | 4 a 336 d |
| Mean orbital velocity | 17.5 km / s |
| Physical Properties | |
| Medium diameter | 127 ± 3.5 km |
| Albedo | 0.0469 |
| Rotation period | 34 h 18 min |
| Absolute brightness | 8.42 mag |
| Spectral class | F. |
| history | |
| Explorer | Auguste Charlois |
| Date of discovery | August 25, 1897 |
| Another name | 1897 DH |
| 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. | |
(426) Hippo is a asteroid of the main belt , which on 25 August 1897 by the French astronomer Auguste Charlois in Nice was discovered.
The asteroid was named after the ancient city of Hippo Regius (now Annaba , Algeria ).