(390) Alma
Asteroid (390) Alma |
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Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Major semi-axis | 2,652 AU |
eccentricity | 0.132 |
Perihelion - aphelion | 2.302 AU - 3.002 AU |
Inclination of the orbit plane | 12.2 ° |
Length of the ascending node | 305.3 ° |
Argument of the periapsis | 190.7 ° |
Time of passage of the perihelion | August 18, 2010 |
Sidereal period | 4 a 116 d |
Mean orbital velocity | 18.2 km / s |
Physical Properties | |
Medium diameter | approx. 24 km |
Albedo | 0.22 |
Rotation period | 3.7 h |
Absolute brightness | 10.4 mag |
history | |
Explorer | G. Bigourdan |
Date of discovery | March 24, 1894 |
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. |
(390) Alma is an asteroid of the main belt , which on 24 March 1894 by the French astronomer Guillaume Bigourdan was discovered.