406 Erna
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Discovery | |
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Discovered by | Auguste Charlois |
Discovery date | August 22, 1895 |
Designations | |
Alternative names | 1895 CB |
Minor planet category | 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) |
Semi-major axis | 435.972 Gm (2.914 AU) |
Eccentricity | 0.183 |
Orbital period | 1817.147 d (4.98 a) |
Average orbital speed | 17.45 km/s |
Mean anomaly | 336.544° |
Inclination | 4.198° |
Longitude of ascending node | 315.863° |
Argument of perihelion | 38.107° |
Physical characteristics | |
Dimensions | 49.0 km |
Mass | unknown |
Mean density | unknown |
Equatorial surface gravity | unknown |
Escape velocity | unknown |
Rotation period | unknown |
Albedo | unknown |
Temperature | unknown |
Spectral type | P |
Absolute magnitude (H) | 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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