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Discovery
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| Discovered by | H. van Gent |
| Discovery site | Johannesburg (LS) |
| Discovery date | August 8, 1931 |
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Designations
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| MPC designation | 1946 |
| Alternate name(s) | 1931 PH |
| Epoch May 14, 2008 | |
| Ap | 2.8328366 |
| Peri | 1.7540488 |
| Eccentricity | 0.2351896 |
| Orbital period | 1268.6162832 |
| Mean anomaly | 357.83863 |
| Inclination | 8.16531 |
| Longitude of ascending node | 17.31866 |
| Argument of peri | 339.79477 |
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Physical characteristics
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| Absolute magnitude (H) | 11.9 |
1946 Walraven (1931 PH) is a main-belt asteroid discovered on August 8, 1931 by H. van Gent at Johannesburg (LS).
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