.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 | |
| MPC designation | (509) Iolanda |
| Pronunciation | Italian: [joˈlanda] |
| Alternative designations | 1903 LR |
| Orbital characteristics | |
| 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) |
| Semi-major axis | 3.0626 AU (458.16 Gm) |
| Eccentricity | 0.094960 |
| Orbital period (sidereal) | 5.36 yr (1957.6 d) |
| Mean anomaly | 249.896° |
| Mean motion | 0° 11 2.004 / day |
| Inclination | 15.410° |
| Longitude of ascending node | 217.547° |
| Argument of perihelion | 157.882° |
| Physical characteristics | |
| Mean radius | 26.495±1.85 km |
| Synodic rotation period | 12.306 h (0.5128 d) |
| Geometric albedo | 0.2747±0.043 |
| Absolute magnitude (H) | 8.40 |
509 Iolanda is a minor planet orbiting the Sun.
References
- Iolanda (Dizionario Rai)
- "509 Iolanda (1903 LR)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 6 May 2016.
External links
- Lightcurve plot of (509) Iolanda, Antelope Hills Observatory
- Data and Model of Iolanda at Database of Asteroid Models from Inversion Techniques
- 509 Iolanda at AstDyS-2, Asteroids—Dynamic Site
- 509 Iolanda at the JPL Small-Body Database
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