311 Claudia
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| Discovery A | |
|---|---|
| Discoverer | Auguste Charlois |
| Discovery date | June 11, 1891 |
| Alternate designations B |
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| Category | Main belt (Koronis) |
| Orbital elements C | |
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| Eccentricity (e) | 0.0080 |
| Semi-major axis (a) | 433.314 Gm (2.897 AU) |
| Perihelion (q) | 429.728 Gm (2.873 AU) |
| Aphelion (Q) | 436.901 Gm (2.92 AU) |
| Orbital period (P) | 1800.557 d (4.93 a) |
| Mean orbital speed | 17.5 km/s |
| Inclination (i) | 3.225° |
| Longitude of the ascending node (Ω) |
81.16° |
| Argument of perihelion (ω) |
41.832° |
| Mean anomaly (M) | 150.595° |
| Physical characteristics D | |
| Dimensions | 24.0 km |
| Mass | unknown |
| Density | unknown |
| Surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Spectral class | unknown |
| Absolute magnitude | 9.89 |
| Albedo (geometric) | unknown |
| Mean surface temperature |
unknown |
311 Claudia is a typical Main belt asteroid.
It was discovered by Auguste Charlois on June 11, 1891 in Nice. The origin of the name of this asteroid remains unknown, as do many other of his discoveries.[1]
311 Claudia is one of the Koronis family of asteroids. A group of astronomers, including Lucy d’Escoffier Crespo da Silva and Richard P. Binzel, used observations made between 1998 through 2000 to determine the spin-vector alignment of these asteroids. The collaborative work resulted in the creation of 61 new individual rotation lightcurves to augment previous published observations. [2]
[edit] References
- ^ Schmadel Lutz D. Dictionary of Minor Planet Names (fifth edition), Springer, 2003. ISBN-10: 3540002383.
- ^ Slivan, S. M., Binzel, R. P., Crespo da Silva, L. D., Kaasalainen, M., Lyndaker, M. M., Krco, M.: “Spin vectors in the Koronis family: comprehensive results from two independent analyses of 213 rotation lightcurves,”Icarus, 162, 2003, pp. 285-307.
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