|
Discovery and designation
|
|
|---|---|
| Discovered by | R. H. McNaught |
| Discovery site | Siding Spring Observatory |
| Discovery date | September 30, 1991 |
|
Designations
|
|
| MPC designation | 18376 |
| Alternate name(s) | 1991 SQ |
| Epoch May 14, 2008 | |
| Ap | 3.3612265 |
| Peri | 2.0855955 |
| Eccentricity | 0.2341973 |
| Orbital period | 1641.6032609 |
| Mean anomaly | 243.35006 |
| Inclination | 10.47929 |
| Longitude of ascending node | 38.91898 |
| Argument of peri | 322.72524 |
| Absolute magnitude (H) | 14.4 |
18376 Quirk (1991 SQ) is a main-belt asteroid discovered on September 30, 1991 by R. H. McNaught at Siding Spring Observatory.