231 Vindobona
Vindobona (minor planet designation: 231 Vindobona) is a large Main belt asteroid. It was discovered by Austrian astronomer Johann Palisa on September 10, 1882. Vindobona is the Latin name for Vienna, Austria, the city where the discovery was made.
_Vindobona.png.webp) 3D model based on lightcurve data | |
| Discovery | |
|---|---|
| Discovered by | Johann Palisa |
| Discovery date | 10 September 1882 |
| Designations | |
| (231) Vindobona | |
| Pronunciation | /vɪnˈdɒbənə/[1] |
Named after | Vindobona |
| A882 RB, 1962 UJ | |
| Main belt | |
| Orbital characteristics[2] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 131.05 yr (47865 d) |
| Aphelion | 3.3648 AU (503.37 Gm) |
| Perihelion | 2.4810 AU (371.15 Gm) |
| 2.9229 AU (437.26 Gm) | |
| Eccentricity | 0.15120 |
| 5.00 yr (1825.2 d) | |
Average orbital speed | 17.44 km/s |
| 12.6140° | |
| 0° 11m 50.064s / day | |
| Inclination | 5.1021° |
| 350.535° | |
| 268.609° | |
| Physical characteristics | |
| Dimensions | 82.33±2.1 km |
| 14.245 h (0.5935 d) | |
| 0.0545±0.003 | |
| 9.6 | |
Its dark surface indicates a carbon-rich composition.
Photometric observations at the Organ Mesa Observatory in New Mexico during 2012 showed a rotation period of 14.245 ± 0.001 hours with a brightness variation of 0.20 ± 0.03 in magnitude. This is in agreement with previous results.[3]
References
- Noah Webster (1884) A Practical Dictiozary of the English Language
- "231 Vindobona". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 12 May 2016.
- Pilcher, Frederick (April 2013), "Rotation Period Determinations for 24 Themis, 159 Aemilia 191 Kolga, 217 Eudora, 226 Weringia, 231 Vindobona, and 538 Friederike", The Minor Planet Bulletin, 40 (2): 85–87, Bibcode:2013MPBu...40...85P.
External links
- The Asteroid Orbital Elements Database
- Minor Planet Discovery Circumstances
- Asteroid Lightcurve Data File
- 231 Vindobona at AstDyS-2, Asteroids—Dynamic Site
- 231 Vindobona at the JPL Small-Body Database
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