| Discovery | |
|---|---|
| Discovered by: | Jean Mueller |
| Discovery date: | October 18, 1987 |
| Alternate designations: | 1987 XXXI; 1995 O2 |
| Orbital characteristics A | |
| Epoch: | March 6, 2006 |
| Aphelion: | 5.531 AU |
| Perihelion: | 2.746 AU |
| Semi-major axis: | 4.139 AU |
| Eccentricity: | 0.3364 |
| Orbital period: | 8.42 a |
| Inclination: | 8.7869° |
| Last perihelion: | September 29, 2004 |
| Next perihelion: | February 22, 2013 |
120P/Mueller, also known as Mueller 1, is a periodic comet in our solar system.
| Periodic comets (by number) | ||
|---|---|---|
| Previous 119P/Parker-Hartley |
120P/Mueller | Next 121P/Shoemaker-Holt |