(1405) Sibelius
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Asteroid (1405) Sibelius |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.2520 AU |
| eccentricity | 0.1457 |
| Perihelion - aphelion | 1.9239 AU - 2.5801 AU |
| Inclination of the orbit plane | 7.035 ° |
| Sidereal period | 3,380 a |
| Mean orbital velocity | 19.85 km / s |
| Physical Properties | |
| Medium diameter | 12.18 km |
| Albedo | 0.143 |
| Rotation period | ? H |
| Absolute brightness | 12,573 likes |
| Spectral class | ? |
| history | |
| Explorer | Yrjö Väisälä |
| Date of discovery | September 12, 1936 |
| Another name | 1936 RE, 1951 CO, 1953 VK 3 |
| 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. | |
(1405) Sibelius is an asteroid of the main belt that was discovered in Turku on September 12, 1936 by the Finnish astronomer Yrjö Väisälä .
The asteroid is named after the Finnish composer Jean Sibelius .