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Discovery
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| Discovered by | E. Delporte |
| Discovery site | Uccle |
| Discovery date | August 26, 1938 |
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Designations
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| MPC designation | 1493 |
| Alternate name(s) | 1938 QB |
| Epoch May 14, 2008 | |
| Ap | 2.9208775 |
| Peri | 1.9382405 |
| Eccentricity | 0.2022254 |
| Orbital period | 1383.2147201 |
| Mean anomaly | 153.37412 |
| Inclination | 2.58581 |
| Longitude of ascending node | 330.70823 |
| Argument of peri | 1.34506 |
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Physical characteristics
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| Albedo | 0.0489 |
| Absolute magnitude (H) | 11.99 |
1493 Sigrid (1938 QB) is a main-belt asteroid discovered on August 26, 1938 by E. Delporte at Uccle. It was named after the wife of the Danish-American astronomer Bengt Georg Daniel Strömgren.
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