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Discovery
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| Discovered by | Auguste Charlois |
| Discovery date | August 27, 1897 |
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Designations
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| Alternate name(s) | 1897 DJ |
| Minor planet category |
Main belt |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 496.878 Gm (3.321 AU) |
| Perihelion | 392.787 Gm (2.626 AU) |
| Semi-major axis | 444.833 Gm (2.974 AU) |
| Eccentricity | 0.117 |
| Orbital period | 1872.825 d (5.13 a) |
| Average orbital speed | 17.27 km/s |
| Mean anomaly | 0.8° |
| Inclination | 5.127° |
| Longitude of ascending node | 297.708° |
| Argument of perihelion | 13.653° |
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Physical characteristics
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| Dimensions | 30.0 km |
| Mass | unknown |
| Mean density | unknown |
| Equatorial surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Albedo | unknown |
| Temperature | unknown |
| Spectral type | unknown |
| Absolute magnitude (H) | 9.8 |
427 Galene is a typical Main belt asteroid.
It was discovered by Auguste Charlois on August 27, 1897 in Nice.
It was named after one of the Nereids of Greek Mythology (Hesiod, Theogony, 240)
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