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Discovery and designation
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| Discovered by | Mark Armstrong |
| Discovery site | Rolvenden |
| Discovery date | February 24, 1998 |
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Designations
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| MPC designation | 15967 |
| Named after | Claire Armstrong |
| Alternate name(s) | 1998 DN20 |
| Epoch May 14, 2008 | |
| Ap | 3.3982983 |
| Peri | 1.8814499 |
| Eccentricity | 0.2872956 |
| Orbital period | 1566.6545585 |
| Mean anomaly | 248.69040 |
| Inclination | 12.21675 |
| Longitude of ascending node | 123.59306 |
| Argument of peri | 273.19774 |
| Geometric albedo | 0.1194 |
| Absolute magnitude (H) | 12.50 |
15967 Clairearmstrong (1998 DN20) is a main-belt asteroid discovered on February 24, 1998 by Mark Armstrong at Rolvenden, Kent, United Kingdom.
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