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Discovery
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| Discovered by | Auguste Charlois |
| Discovery date | November 25, 1892 |
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Designations
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| Named after | Herment |
| Alternate name(s) | 1892 P |
| Minor planet category |
Main belt |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 461.184 Gm (3.083 AU) |
| Perihelion | 375.242 Gm (2.508 AU) |
| Semi-major axis | 418.213 Gm (2.796 AU) |
| Eccentricity | 0.103 |
| Orbital period | 1707.256 d (4.67 a) |
| Average orbital speed | 17.81 km/s |
| Mean anomaly | 25.616° |
| Inclination | 8.76° |
| Longitude of ascending node | 92.17° |
| Argument of perihelion | 290.088° |
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Physical characteristics
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| Dimensions | 107.0 km |
| Mass | unknown |
| Mean density | unknown |
| Equatorial surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Albedo | unknown |
| Temperature | unknown |
| Spectral type | S |
| Absolute magnitude (H) | 7.13 |
346 Hermentaria is a very large main-belt asteroid. It is classified as an S-type asteroid.
It was discovered by Auguste Charlois on November 25, 1892, in Nice.
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