386 Siegena
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A three-dimensional model of 386 Siegena based on its light curve. | |
| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery date | March 1, 1894 |
| Designations | |
Named after | Siegen |
| 1894 AY | |
| Main belt | |
| Orbital characteristics | |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 507.913 Gm (3.395 AU) |
| Perihelion | 358.147 Gm (2.394 AU) |
| 433.03 Gm (2.895 AU) | |
| Eccentricity | 0.173 |
| 1798.783 d (4.92 a) | |
Average orbital speed | 17.51 km/s |
| 305.663° | |
| Inclination | 20.255° |
| 166.951° | |
| 220.254° | |
| Physical characteristics | |
| Dimensions | 170.35 ± 8.40[1] km |
| Mass | (8.14 ± 1.58) × 1018[1] kg |
Mean density | 3.14 ± 0.76[1] g/cm3 |
Spectral type | C |
| 7.43 | |
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386 Siegena is a very large main-belt asteroid. It is classified as a C-type asteroid and is probably composed of primitive carbonaceous material.
It was discovered by Max Wolf on March 1, 1894, in Heidelberg.
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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