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Discovery and designation
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| Discovered by | Paul Comba |
| Discovery date | July 3, 1997 |
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Designations
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| MPC designation | 9902 Kirkpatrick |
| Alternate name(s) | 1997 NY, 1988 XS4, 1994 RK29, 1996 EJ16 |
| Epoch October 27, 2007 | |
| Aphelion | 2.3933043 AU |
| Perihelion | 2.0271321 AU |
| Semi-major axis | 2.2102182 AU |
| Eccentricity | 0.0828362 |
| Orbital period | 1200.1931511 d (3.29 a |
| Average orbital speed | 20.03 km/s |
| Mean anomaly | 254.80261° |
| Inclination | 5.31702° |
| Longitude of ascending node | 274.51519° |
| Dimensions | ~17.8 km[1] |
| Geometric albedo | ~0.01 |
| Absolute magnitude (H) | 14.7 |
9902 Kirkpatrick is a main belt asteroid. It orbits the Sun once every 3.29 year.[2]
Discovered on July 3, 1997 by Paul Comba at the Prescott Observatory, it was given the provisional designation "1997 NY". It was renamed "Kirkpatrick" for Ralph Kirkpatrick, eminent American harpsichordist, clavichordist, musicologist and teacher.[3]
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