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Discovery
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| Discovered by | Max Wolf |
| Discovery date | September 25, 1892 |
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Designations
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| Named after | Dorothea Klumpke |
| Alternate name(s) | 1892 G |
| Minor planet category |
Main belt (Eos) |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 494.526 Gm (3.306 AU) |
| Perihelion | 407.842 Gm (2.726 AU) |
| Semi-major axis | 451.184 Gm (3.016 AU) |
| Eccentricity | 0.096 |
| Orbital period | 1913.077 d (5.24 a) |
| Average orbital speed | 17.15 km/s |
| Mean anomaly | 205.657° |
| Inclination | 9.941° |
| Longitude of ascending node | 173.863° |
| Argument of perihelion | 159.341° |
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Physical characteristics
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| Dimensions | 38.0 km |
| Mass | unknown |
| Mean density | unknown |
| Equatorial surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Albedo | unknown |
| Temperature | unknown |
| Spectral type | SK |
| Absolute magnitude (H) | 9.24 |
339 Dorothea is a typical Main belt asteroid.
It was discovered by Max Wolf on September 25, 1892 in Heidelberg, Germany.
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