| Discovery | |
|---|---|
| Discovered by: | Francesco de Vico |
| Discovery date: | February 20, 1846 |
| Alternate designations: | 1846 IV, P/1846 D1, P/1995 S1 |
| Orbital characteristics A | |
| Aphelion: | 34.70 |
| Perihelion: | 0.659337 |
| Semi-major axis: | 17.6808 |
| Eccentricity: | 0.962709 |
| Orbital period: | 74.35 |
| Inclination: | 85.3828° |
| Last perihelion: | October 6, 1995 |
| Next perihelion: | October 21, 2069 |
122P/de Vico (provisional designation: 1846 D1) is a short-period comet. It was discovered by Francesco de Vico in Rome on February 20, 1846.