(690) Wratislavia
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Asteroid (690) Wratislavia |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 3.142 AU |
| eccentricity | 0.1834 |
| Perihelion - aphelion | 2.566 AU - 3.718 AU |
| Inclination of the orbit plane | 11.3 ° |
| Length of the ascending node | 253.2 ° |
| Argument of the periapsis | 114.8 ° |
| Time of passage of the perihelion | March 5, 2010 |
| Sidereal period | 5 a 208 d |
| Mean orbital velocity | 16.7 km / s |
| Physical Properties | |
| Medium diameter | (134 ± 4) km |
| Albedo | 0.06 |
| Rotation period | 8 h 38 min |
| Absolute brightness | 8.0 likes |
| history | |
| Explorer | JH Metcalf |
| Date of discovery | October 16, 1909 |
| Another name | 1909 HZ, 1942 XH |
| 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. | |
(690) Wratislavia is an asteroid of the main belt , which on 16 October 1909 by the American astronomer Joel H. Metcalf in Taunton was detected.
The asteroid was named after the Latin name of the Polish city of Wrocław .