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Discovery and designation
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| Discovered by | Schelte J. Bus |
| Discovery site | Siding Spring Observatory |
| Discovery date | March 2, 1981 |
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Designations
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| MPC designation | 4241 |
| Alternate name(s) | 1981 EX46 |
| Epoch May 14, 2008 | |
| Ap | 3.1652339 |
| Peri | 2.7329001 |
| Eccentricity | 0.0733001 |
| Orbital period | 1849.8026055 |
| Mean anomaly | 302.89107 |
| Inclination | 0.97320 |
| Longitude of ascending node | 247.29340 |
| Argument of peri | 117.94033 |
| Absolute magnitude (H) | 14.9 |
4241 Pappalardo (1981 EX46) is a main-belt asteroid discovered on March 2, 1981 by Schelte J. Bus at Siding Spring Observatory in the course of the U.K. Schmidt-Caltech Asteroid Survey. It was named in 2000 in honor of Neil Pappalardo, one of the primary donors of the Magellan Telescopes at the Las Campanas Observatory in Chile.
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