(509) Iolanda
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Asteroid (509) Iolanda |
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| Properties of the orbit ( animation ) | |
| Orbit type | Outer main belt |
| Major semi-axis | 3.065 AU |
| eccentricity | 0.091 |
| Perihelion - aphelion | 2.786 AU - 3.344 AU |
| Inclination of the orbit plane | 15.4 ° |
| Length of the ascending node | 217.8 ° |
| Argument of the periapsis | 157.4 ° |
| Time of passage of the perihelion | November 7, 2012 |
| Sidereal period | 5 a 134 d |
| Mean orbital velocity | 17.0 km / s |
| Physical Properties | |
| Medium diameter | 53 km |
| Albedo | 0.2747 |
| Rotation period | 12 h 18 min |
| Absolute brightness | 8.4 mag |
| Spectral class | S. |
| history | |
| Explorer | Max Wolf |
| Date of discovery | April 28, 1903 |
| Another name | 1903 LR, A905 UB |
| 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. | |
(509) Iolanda is an asteroid of the main belt , which was discovered on April 28, 1903 by Max Wolf in Heidelberg.
The origin of the name is unknown.