406 Erna
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A three-dimensional model of 406 Erna based on its light curve. | |
| Discovery | |
|---|---|
| Discovered by | Auguste Charlois |
| Discovery date | August 22, 1895 |
| Designations | |
| 1895 CB | |
| Main belt | |
| Orbital characteristics | |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 515.605 Gm (3.447 AU) |
| Perihelion | 356.339 Gm (2.382 AU) |
| 435.972 Gm (2.914 AU) | |
| Eccentricity | 0.183 |
| 1817.147 d (4.98 a) | |
Average orbital speed | 17.45 km/s |
| 336.544° | |
| Inclination | 4.198° |
| 315.863° | |
| 38.107° | |
| Physical characteristics | |
| Dimensions | 49.0 km |
| Mass | unknown |
Mean density | unknown |
| unknown | |
| unknown | |
| unknown | |
| Albedo | unknown |
| Temperature | unknown |
Spectral type | P |
| 10.36 | |
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406 Erna is a typical Main belt asteroid. It is classified as a P-type asteroid and is probably composed of primitive carbonaceus chondritic materials.
It was discovered by Auguste Charlois on August 22, 1895 in Nice.
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