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Discovery and designation
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| Discovered by | S. J. Bus |
| Discovery site | Siding Spring |
| Discovery date | March 1, 1981 |
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Designations
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| MPC designation | 3135 |
| Named after | Tod R. Lauer |
| Alternate name(s) | 1981 EC9 |
| Epoch May 14, 2008 | |
| Ap | 2.7598598 |
| Peri | 2.0800890 |
| Eccentricity | 0.1404500 |
| Orbital period | 1375.0376130 |
| Mean anomaly | 176.28759 |
| Inclination | 5.98322 |
| Longitude of ascending node | 304.99279 |
| Argument of peri | 118.27066 |
| Absolute magnitude (H) | 14.0 |
3135 Lauer (1981 EC9) is a main-belt asteroid discovered on March 1, 1981 by S. J. Bus at Siding Spring. It is named for American astronomer Tod R. Lauer in honor of his participation in the Palomar Planet-Crossing Asteroid Survey during 1976-77 as an undergraduate student at Caltech.
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