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509 Iolanda is a minor planet orbiting the Sun.
.png) A three-dimensional model of 509 Iolanda based on its light curve | |
| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery site | Heidelberg |
| Discovery date | 28 April 1903 |
| Designations | |
| (509) Iolanda | |
| Pronunciation | Italian: [joˈlanda][1] |
| 1903 LR | |
| Orbital characteristics[2] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 112.97 yr (41263 d) |
| Aphelion | 3.3534 AU (501.66 Gm) |
| Perihelion | 2.7718 AU (414.66 Gm) |
| 3.0626 AU (458.16 Gm) | |
| Eccentricity | 0.094960 |
| 5.36 yr (1957.6 d) | |
| 249.896° | |
| 0° 11m 2.004s / day | |
| Inclination | 15.410° |
| 217.547° | |
| 157.882° | |
| Physical characteristics | |
| 26.495±1.85 km | |
| 12.306 h (0.5128 d) | |
| 0.2747±0.043 | |
| 8.40 | |
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