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Main-belt asteroid From Wikipedia, the free encyclopedia
297 Caecilia is a typical main belt asteroid. It was discovered by Auguste Charlois on 9 September 1890 in Nice.
.png) A three-dimensional model of 297 Caecilia based on its light curve | |
| Discovery | |
|---|---|
| Discovered by | Auguste Charlois |
| Discovery date | 9 September 1890 |
| Designations | |
| (297) Caecilia | |
| Pronunciation | /siːˈsɪliə/[1] |
| A890 RA, 1924 RA 1935 PB, 1947 SB 1955 BK1 | |
| Main Belt | |
| Orbital characteristics[2] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 115.88 yr (42326 d) |
| Aphelion | 3.6149 AU (540.78 Gm) |
| Perihelion | 2.7117 AU (405.66 Gm) |
| 3.1633 AU (473.22 Gm) | |
| Eccentricity | 0.14276 |
| 5.63 yr (2055.0 d) | |
| 116.75° | |
| 0° 10m 30.684s / day | |
| Inclination | 7.5526° |
| 332.104° | |
| 354.125° | |
| Physical characteristics | |
| Dimensions | 39.48±1.8 km |
| 4.163 h (0.1735 d) | |
| 0.1796±0.018 | |
| 9.1 | |
Photometric observations during 2003 showed a rotation period of 6.163 ± 0.004 hours with a brightness variation of 0.15 in magnitude.[3]
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