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Discovery and designation
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| Discovered by | S. Arend |
| Discovery site | Uccle |
| Discovery date | September 1, 1953 |
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Designations
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| MPC designation | 1625 |
| Named after | The IBM NORC |
| Alternate name(s) | 1953 RB |
| Epoch May 14, 2008 | |
| Ap | 3.9106719 |
| Peri | 2.4904609 |
| Eccentricity | 0.2218687 |
| Orbital period | 2091.4076434 |
| Mean anomaly | 284.37710 |
| Inclination | 15.56032 |
| Longitude of ascending node | 322.12487 |
| Argument of peri | 282.88171 |
| Absolute magnitude (H) | 10.34 |
1625 The NORC (1953 RB) is an outer main-belt asteroid discovered on September 1, 1953 by S. Arend at Uccle. It was named after the IBM Naval Ordnance Research Calculator.
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