(861) Aida
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 .