(385) Ilmatar
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Asteroid (385) Ilmatar |
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| Properties of the orbit ( animation ) | |
| Orbit type | Outer main belt |
| Major semi-axis | 2,847 AU |
| eccentricity | 0.126 |
| Perihelion - aphelion | 2.489 AU - 3.205 AU |
| Inclination of the orbit plane | 13.6 ° |
| Length of the ascending node | 345.2 ° |
| Argument of the periapsis | 187.8 ° |
| Time of passage of the perihelion | July 17, 2009 |
| Sidereal period | 4 a 294 d |
| Mean orbital velocity | 17.6 km / s |
| Physical Properties | |
| Medium diameter | 92.0 km |
| Albedo | 0.2129 |
| Rotation period | 62 h 21 min |
| Absolute brightness | 7.49 likes |
| Spectral class | S. |
| history | |
| Explorer | Max Wolf |
| Date of discovery | March 1, 1894 |
| Another name | 1894 AX |
| 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. | |
(385) Ilmatar is an asteroid of the main asteroid belt that was discovered by Max Wolf in Heidelberg on March 1, 1894 .
It is named after Ilmatar from Finnish mythology .
See also
Individual evidence
- ^ Dictionary of Minor Planet Names, Volume 1 in the Google Book Search