(335) Roberta
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Asteroid (335) Roberta |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.474 AU |
| eccentricity | 0.174 |
| Perihelion - aphelion | 2.043 AU - 2.905 AU |
| Inclination of the orbit plane | 5.1 ° |
| Length of the ascending node | 148.5 ° |
| Argument of the periapsis | 139.6 ° |
| Time of passage of the perihelion | 22nd September 2012 |
| Sidereal period | 1421.736 d |
| Mean orbital velocity | 18.93 km / s |
| Physical Properties | |
| Medium diameter | 89.1 km |
| Albedo | 0.058 |
| Rotation period | 12.054 h |
| Absolute brightness | 8.96 mag |
| Spectral class | FP / B |
| history | |
| Explorer | Anton traffic jams |
| Date of discovery | September 1, 1892 |
| Another name | 1892 C |
| 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. | |
(335) Roberta is a large asteroid of the main belt . It was discovered on September 1, 1892 by the German astronomer Anton Staus in Heidelberg .