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Discovery
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| Discovered by | Väisälä, Y. |
| Discovery site | Turku |
| Discovery date | August 26, 1936 |
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Designations
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| MPC designation | 1398 |
| Named after | Anders Donner |
| Alternate name(s) | 1936 QL |
| Epoch May 14, 2008 | |
| Ap | 3.5068781 |
| Peri | 2.8122095 |
| Eccentricity | 0.1099318 |
| Orbital period | 2051.3275195 |
| Mean anomaly | 265.60618 |
| Inclination | 11.83501 |
| Longitude of ascending node | 297.19935 |
| Argument of peri | 71.89385 |
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Physical characteristics
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| Albedo | 0.1913 |
| Absolute magnitude (H) | 10.1 |
1398 Donnera (1936 QL) is a main-belt asteroid discovered on August 26, 1936 by Yrjö Väisälä at University of Turku.
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