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Discovery and designation
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| Discovered by | E. F. Helin |
| Discovery site | Palomar Observatory |
| Discovery date | 22 August 1987 |
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Designations
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| MPC designation | 10502 |
| Named after | Armagh Observatory |
| Alternate name(s) | 1987 QF6 |
| Epoch May 14, 2008 | |
| Ap | 3.0421311 |
| Peri | 1.5770021 |
| Eccentricity | 0.3171870 |
| Orbital period | 1282.0180902 |
| Mean anomaly | 270.85000 |
| Inclination | 21.93388 |
| Longitude of ascending node | 170.30068 |
| Argument of peri | 263.13600 |
| Absolute magnitude (H) | 15.0 |
10502 Armaghobs (1987 QF6) is a Mars-crossing asteroid discovered on 22 August 1987 by E. F. Helin at Palomar Observatory. It is named for the Armagh Observatory.[1]
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