.png) A three-dimensional model of 297 Caecilia based on its light curve | |
| Discovery | |
|---|---|
| Discovered by | Auguste Charlois |
| Discovery date | 9 September 1890 |
| Designations | |
| MPC designation | (297) Caecilia |
| Pronunciation | /siːˈsɪliə/ |
| Alternative designations | A890 RA, 1924 RA 1935 PB, 1947 SB 1955 BK1 |
| Minor planet category | Main Belt |
| Orbital characteristics | |
| 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) |
| Semi-major axis | 3.1633 AU (473.22 Gm) |
| Eccentricity | 0.14276 |
| Orbital period (sidereal) | 5.63 yr (2055.0 d) |
| Mean anomaly | 116.75° |
| Mean motion | 0° 10 30.684 / day |
| Inclination | 7.5526° |
| Longitude of ascending node | 332.104° |
| Argument of perihelion | 354.125° |
| Physical characteristics | |
| Dimensions | 39.48±1.8 km |
| Synodic rotation period | 4.163 h (0.1735 d) |
| Geometric albedo | 0.1796±0.018 |
| Absolute magnitude (H) | 9.1 |
297 Caecilia is a typical main belt asteroid. It was discovered by Auguste Charlois on 9 September 1890 in Nice.
Photometric observations during 2003 showed a rotation period of 6.163 ± 0.004 hours with a brightness variation of 0.15 in magnitude.
References
- Noah Webster (1884) A Practical Dictionary of the English Language
- "297 Caecilia". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.
- Cooney Jr., Walter R. (March 2005), "Lightcurve results for minor planets 228 Agathe, 297 Caecilia, 744 Aguntina 1062 Ljuba, 1605 Milankovitch, and 3125 Hay", The Minor Planet Bulletin, 32 (1): 15–16, Bibcode:2005MPBu...32...15C.
External links
- 297 Caecilia at AstDyS-2, Asteroids—Dynamic Site
- 297 Caecilia at the JPL Small-Body Database
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