206 Hersilia
From Wikipedia, the free encyclopedia
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Discovery
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| Discovered by | C. H. F. Peters |
| Discovery date | October 13, 1879 |
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Designations
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| Alternative names | 1961 WG, 1974 PM |
| Minor planet category |
Main belt |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 426.626 Gm (2.852 AU) |
| Perihelion | 393.121 Gm (2.628 AU) |
| Semi-major axis | 409.873 Gm (2.74 AU) |
| Eccentricity | 0.041 |
| Orbital period | 1656.444 d (4.54 a) |
| Average orbital speed | 17.99 km/s |
| Mean anomaly | 153.721° |
| Inclination | 3.781° |
| Longitude of ascending node | 145.281° |
| Argument of perihelion | 302.608° |
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Physical characteristics
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| Dimensions | 104.6 km |
| Mass | unknown |
| Mean density | unknown |
| Equatorial surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | 7.330 h |
| Albedo | 0.055 |
| Temperature | unknown |
| Spectral type | C |
| Absolute magnitude | 8.68 |
206 Hersilia is a fairly large Main belt asteroid. It is classified as a primitive, dark carbon-rich C-type asteroid.
It was discovered by C. H. F. Peters on October 13, 1879 in Clinton, New York.
It was named after Hersilia, Roman wife of Romulus.
[edit] References
- The Asteroid Orbital Elements Database
- Minor Planet Discovery Circumstances
- Asteroid Lightcurve Parameters
- Asteroid Albedo Compilation
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