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Discovery
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| Discovered by | Max Wolf |
| Discovery date | November 4, 1894 |
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Designations
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| Named after | Queen Wilhelmina |
| Alternate name(s) | 1894 BF |
| Minor planet category |
Main belt |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 491.469 Gm (3.285 AU) |
| Perihelion | 372.04 Gm (2.487 AU) |
| Semi-major axis | 431.754 Gm (2.886 AU) |
| Eccentricity | 0.138 |
| Orbital period | 1790.842 d (4.9 a) |
| Average orbital speed | 17.53 km/s |
| Mean anomaly | 195.892° |
| Inclination | 14.323° |
| Longitude of ascending node | 209.903° |
| Argument of perihelion | 174.824° |
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Physical characteristics
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| Dimensions | 63.0 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) | 9.7 |
392 Wilhelmina is a large Main belt asteroid.
It was discovered by Max Wolf on November 4, 1894 in Heidelberg, Germany.
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