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Discovery
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| Discovered by | Vaisala, Y. |
| Discovery site | Turku |
| Discovery date | December 28, 1940 |
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Designations
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| MPC designation | 1678 |
| Named after | Ven |
| Alternate name(s) | 1940 YH |
| Epoch May 14, 2008 | |
| Ap | 3.5084380 |
| Peri | 2.8100738 |
| Eccentricity | 0.1105267 |
| Orbital period | 2051.0471450 |
| Mean anomaly | 342.05580 |
| Inclination | 10.18871 |
| Longitude of ascending node | 351.74589 |
| Argument of peri | 123.69150 |
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Physical characteristics
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| Albedo | 0.0486 |
| Absolute magnitude (H) | 10.90 |
1678 Hveen (1940 YH) is a main-belt asteroid discovered on December 28, 1940 by Vaisala, Y. at Turku.
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