(861) Aida
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Asteroid (861) Aïda |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 3.137 AU |
| eccentricity | 0.104 |
| Perihelion - aphelion | 2.812 AU - 3.462 AU |
| Inclination of the orbit plane | 8.1 ° |
| Length of the ascending node | 115.1 ° |
| Argument of the periapsis | 194.7 ° |
| Time of passage of the perihelion | February 8, 2009 |
| Sidereal period | 5 a 203 d |
| Mean orbital velocity | 16.8 km / s |
| Physical Properties | |
| Medium diameter | (67 ± 4) km |
| Albedo | 0.06 |
| Rotation period | approx. 0.46 d (provisional value) |
| Absolute brightness | 9.6 likes |
| history | |
| Explorer | Max Wolf |
| Date of discovery | January 22, 1917 |
| Another name | A906 BG, A918 GA, 1917 DE, 1939 BL, 1947 OF |
| 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. | |
(861) Aïda is an asteroid of the main belt that was discovered on January 22, 1917 by the German astronomer Max Wolf in Heidelberg .
The asteroid is named after the opera Aida by Giuseppe Verdi .