346 Hermentaria
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| Discovery | |
|---|---|
| Discovered by | Auguste Charlois |
| Discovery date | November 25, 1892 |
| Designations | |
| Named after | Herment |
| Alternative names | 1892 P |
| Minor planet category | Main belt |
| Orbital characteristics | |
| 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° |
| Physical characteristics | |
| Dimensions | 93.27 ± 3.05[1] km |
| Mass | (6.33 ± 0.18) × 1018[1] kg |
| Mean density | 14.89 ± 1.52[1] g/cm3 |
| Spectral type | S |
| Absolute magnitude (H) | 7.13 |
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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.
References
- ↑ 1.0 1.1 1.2 Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science 73: 98-118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
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