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Discovery and designation
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| Discovered by | Freimut Börngen |
| Discovery site | Karl Schwarzschild Observatory |
| Discovery date | November 26, 1987 |
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Designations
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| MPC designation | 4098 |
| Named after | Anton Thraen |
| Alternate name(s) | 1987 WQ1, 1958 XZ, 1977 DP1, 1981 WM8, 1987 YB1 |
| Epoch July 23, 2010 | |
| Ap | 3.6216316 |
| Peri | 2.8249358 |
| Semi-major axis | 3.2232837 |
| Eccentricity | 0.1235845 |
| Orbital period | 2113.7139345 |
| Mean anomaly | 306.87020 |
| Inclination | 2.93168 |
| Longitude of ascending node | 99.47838 |
| Argument of peri | 6.16327 |
| Absolute magnitude (H) | 13.2 |
4098 Thraen (1987 WQ1) is an outer main-belt asteroid discovered on November 26, 1987 by Freimut Börngen at Karl Schwarzschild Observatory.
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