(1558) Järnefelt
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Asteroid (1558) Järnefelt |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 3.2285 AU |
| eccentricity | 0.0369 |
| Perihelion - aphelion | 3.1093 AU - 3.3477 AU |
| Inclination of the orbit plane | 10.483 ° |
| Sidereal period | 5,801 a |
| Mean orbital velocity | 16.58 km / s |
| Physical Properties | |
| Medium diameter | 65.09 km |
| Albedo | 0.0347 |
| Rotation period | ? H |
| Absolute brightness | 10.147 likes |
| Spectral class | ? |
| history | |
| Explorer | Liisi Oterma |
| Date of discovery | January 20, 1942 |
| Another name | 1942 BD, 1929 WD 1 , 1934 VX |
| 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. | |
(1558) Järnefelt is an asteroid of the main belt , which on 20 January 1942 by the Finnish astronomer liisi oterma in Turku was discovered.
The asteroid was named after the Finnish astronomer Gustaf Järnefelt .