(2180) Marjaleena
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Asteroid (2180) Marjaleena |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Asteroid family | Eos family |
| Major semi-axis | 3.0120 AU |
| eccentricity | 0.0846 |
| Perihelion - aphelion | 2.7573 AU - 3.2667 AU |
| Inclination of the orbit plane | 9.234 ° |
| Sidereal period | 5.227 a |
| Mean orbital velocity | 17.16 km / s |
| Physical Properties | |
| Medium diameter | approx. 21 km |
| Albedo | ? |
| Rotation period | ? H |
| Absolute brightness | 11.0 mag |
| Spectral class | ? |
| history | |
| Explorer | Heikki A. Alikoski |
| Date of discovery | September 8, 1940 |
| Another name | 1940 RJ, 1950 NQ 1 , 1970 JL |
| 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. | |
(2180) Marjaleena is an asteroid of the main belt , which on 8 September 1940 by the Finnish astronomer Heikki A. Alikoski in Turku was discovered.
The asteroid was named after the discoverer's daughter, Marjaleena Johnsson .