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Discovery and designation
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| Discovered by | K. Reinmuth |
| Discovery site | Heidelberg |
| Discovery date | April 7, 1953 |
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Designations
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| MPC designation | (7103) 1953 GH |
| Alternate name(s) | 1953 GN1, 1991 PS18 |
| Minor planet category |
main belt asteroid |
| Ap | 3.2565385 AU |
| Peri | 2.7703467 AU |
| Semi-major axis | 3.0134426 AU |
| Eccentricity | 0.0806705 AU |
| Orbital period | 5.23 yrs. |
| Mean anomaly | 124.38768 deg. |
| Inclination | 10.14591 deg. |
| Longitude of ascending node | 183.66725 deg. |
| Absolute magnitude (H) | 13.1 mag |
7103 Wichmann (provisional designation: 1953 GH) is a main-belt minor planet. It was discovered by Karl Wilhelm Reinmuth at the Heidelberg-Königstuhl State Observatory in Heidelberg, Germany, on April 7, 1953. It is named for Moritz Ludwig George Wichmann a 19th-century German astronomer specializing in minor planet observation.
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