(4908) Ward
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Asteroid (4908) Ward |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.1886 AU |
| eccentricity | 0.2340 |
| Perihelion - aphelion | 1.6765 AU - 2.7008 AU |
| Inclination of the orbit plane | 4.567 ° |
| Sidereal period | 3,238 a |
| Mean orbital velocity | 20.13 km / s |
| Physical Properties | |
| Medium diameter | ? km |
| Albedo | ? |
| Rotation period | 10.96 h |
| Absolute brightness | 13.7 mag |
| Spectral class | ? |
| history | |
| Explorer | F. Rigaux |
| Date of discovery | September 17, 1933 |
| Another name | 1933 SD, 1972 TK 2 , 1978 NC 4 |
| 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. | |
(4908) Ward is an asteroid of the main belt discovered on September 17, 1933 by the Belgian astronomer Fernand Rigaux in Ukkel .
The asteroid is named after Steven Ward , an electrical engineer at the Harvard-Smithsonian Center for Astrophysics .