Astronomy:361 Bononia
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Short description: Main-belt asteroid
_Bononia.png) Modelled shape of Bononia from its lightcurve | |
| Discovery | |
|---|---|
| Discovered by | Auguste Charlois |
| Discovery date | 11 March 1893 |
| Designations | |
| (361) Bononia | |
| Pronunciation | /bəˈnoʊniə/[1] |
| Named after | Bologna (Bonōnia) |
| 1893 P | |
| Minor planet category | Main belt (Hilda) |
| Adjectives | Bononian |
| Orbital characteristics[2] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 114.83 yr (41940 d) |
| |{{{apsis}}}|helion}} | 4.80719 astronomical unit|AU (719.145 Gm) |
| |{{{apsis}}}|helion}} | 3.11281 AU (465.670 Gm) |
| 3.96000 AU (592.408 Gm) | |
| Eccentricity | 0.21394 |
| Orbital period | 7.88 yr (2878.3 d) |
| Mean anomaly | 329.195° |
| Mean motion | 0° 7m 30.259s / day |
| Inclination | 12.6264° |
| Longitude of ascending node | 18.8738° |
| 68.3637° | |
| Physical characteristics | |
| Dimensions | 141.72±6.9 km |
| Rotation period | 13.83 h (0.576 d) |
| Geometric albedo | 0.0453±0.005 |
| D | |
| Absolute magnitude (H) | 8.22 |
361 Bononia /bəˈnoʊniə/ is a very large, resonant Hilda asteroid located in the outermost region of the asteroid belt.[2] It is classified as a D-type asteroid and is probably composed of organic rich silicates, carbon and anhydrous silicates. It was discovered by Auguste Charlois on 11 March 1893, in Nice, and assigned the prov. designations A893 EF and 1893 P.
References
External links
- 361 Bononia at AstDyS-2, Asteroids—Dynamic Site
- 361 Bononia at the JPL Small-Body Database
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